:root {
    --bg: #f3f1ea;
    --panel: #fffdf8;
    --ink: #1f2521;
    --muted: #5e6760;
    --accent: #116149;
    --accent-2: #dd6b2d;
    --line: #d7d0c0;
    --danger: #9f2b2b;
    --good: #2a6e2f;
    --card: #fff;
    --card-alt: #faf8f1;
    --surface: #f3efe4;
    --surface-alt: #f0ebe0;
    --badge-good-bg: #e9f7eb;
    --badge-risk-bg: #fdeaea;
    --badge-warn-bg: #fff3d9;
    --badge-warn-border: #dd6b2d;
    --badge-warn-text: #8a560a;
    --option-hover-border: var(--accent);
    --option-selected-bg: #eef7f3;
    --option-correct-bg: #edf8ee;
    --option-correct-border: #87bf8c;
    --option-wrong-bg: #fdeeee;
    --option-wrong-border: #db9393;
    --feedback-correct: #2a6e2f;
    --feedback-wrong: #9f2b2b;
    --msg-ok-bg: #f0faef;
    --msg-ok-border: #aad5b2;
    --msg-ok-text: #2a6e2f;
    --msg-err-bg: #fff4f4;
    --msg-err-border: #e2a0a0;
    --msg-err-text: #9f2b2b;
    --shape-1: rgba(17, 97, 73, 0.08);
    --shape-2: rgba(221, 107, 45, 0.12);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.04);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.1), 0 4px 8px rgba(0,0,0,0.04);
    --shadow-xl: 0 12px 40px rgba(0,0,0,0.14), 0 6px 12px rgba(0,0,0,0.06);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --transition: 0.2s ease;
}

[data-theme="dark"] {
    --bg: #121814;
    --panel: #1a2119;
    --ink: #e8ece9;
    --muted: #9aa39c;
    --accent: #3dba8f;
    --accent-2: #e8944a;
    --line: #2e3832;
    --danger: #e06060;
    --good: #5cb868;
    --card: #1e2722;
    --card-alt: #222d28;
    --surface: #253029;
    --surface-alt: #2a352f;
    --badge-good-bg: #1a3320;
    --badge-risk-bg: #331a1a;
    --badge-warn-bg: #332a14;
    --badge-warn-border: #e8944a;
    --badge-warn-text: #e8944a;
    --option-hover-border: #3dba8f;
    --option-selected-bg: #1a3330;
    --option-correct-bg: #1a3320;
    --option-correct-border: #5cb868;
    --option-wrong-bg: #331a1a;
    --option-wrong-border: #e06060;
    --feedback-correct: #5cb868;
    --feedback-wrong: #e06060;
    --msg-ok-bg: #1a3320;
    --msg-ok-border: #2e5e35;
    --msg-ok-text: #5cb868;
    --msg-err-bg: #331a1a;
    --msg-err-border: #5e2a2a;
    --msg-err-text: #e06060;
    --shape-1: rgba(61, 186, 143, 0.06);
    --shape-2: rgba(232, 148, 74, 0.08);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.2), 0 1px 2px rgba(0,0,0,0.15);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.3), 0 2px 4px rgba(0,0,0,0.2);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.35), 0 4px 8px rgba(0,0,0,0.2);
    --shadow-xl: 0 12px 40px rgba(0,0,0,0.4), 0 6px 12px rgba(0,0,0,0.25);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    color: var(--ink);
    background: radial-gradient(circle at top left, #f8f4e7, #ece8dc 55%, #e5e0d5);
    min-height: 100vh;
    position: relative;
    transition: background 0.3s ease, color 0.3s ease;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    display: flex;
    flex-direction: column;
}
[data-theme="dark"] body {
    background: radial-gradient(circle at top left, #1a2119, #121814 55%, #0e1310);
    color-scheme: dark;
}

.bg-shape { position: fixed; border-radius: 50%; filter: blur(2px); z-index: 0; pointer-events: none; }
.bg-shape-1 { width: 340px; height: 340px; background: rgba(17, 97, 73, 0.08); top: -90px; left: -90px; }
.bg-shape-2 { width: 280px; height: 280px; background: rgba(221, 107, 45, 0.12); bottom: -80px; right: -60px; }

.topbar, .container { position: relative; z-index: 1; }

.topbar {
    max-width: 1400px;
    width: calc(100% - 32px);
    margin: 12px auto 0;
    padding: 8px 18px;
    border: 1px solid var(--line);
    background: rgba(255, 253, 248, 0.92);
    border-radius: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(6px);
}
.topbar h1 { margin: 0; font-size: 22px; }
.topbar p { margin: 1px 0 0; color: var(--muted); font-size: 12px; }
.topbar-actions { display: flex; gap: 8px; align-items: center; }

.ghost-link {
    text-decoration: none; color: var(--accent);
    border: 1px solid var(--line); padding: 6px 10px; border-radius: 8px;
    font-size: 13px; background: #ffffff;
    transition: border-color var(--transition), color var(--transition), box-shadow var(--transition);
}
.ghost-link:hover { border-color: var(--accent); box-shadow: 0 2px 8px var(--shape-1); }

.container {
    max-width: 1400px;
    width: calc(100% - 32px);
    margin: 0 auto;
    padding: 0;
    flex: 1;
    display: flex;
    flex-direction: column;
}

#appSection:not(.hidden) {
    display: flex;
    flex-direction: column;
    flex: 1;
    width: 100%;
}

.panel {
    background: rgba(255, 253, 248, 0.94);
    border: 1px solid var(--line); border-radius: 14px;
    padding: 14px; margin-bottom: 12px; box-shadow: var(--shadow-sm);
}

/* ===== PROFESSIONAL AUTH HERO ===== */
/* Media query to lock viewport and layout to desktop without scroll */
@media (min-width: 901px) {
    body:has(#authSection:not(.hidden)) {
        height: 100vh;
        min-height: 100vh;
        max-height: 100vh;
        overflow: hidden;
        display: flex;
        flex-direction: column;
    }

    body:has(#authSection:not(.hidden)) .topbar {
        flex-shrink: 0;
        margin: 14px auto 8px;
    }

    body:has(#authSection:not(.hidden)) .container {
        flex: 1;
        display: flex;
        flex-direction: column;
        min-height: 0;
        overflow: hidden;
    }

    .auth-hero-container {
        flex: 1;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        min-height: 0;
        width: 100%;
        padding-bottom: 16px;
    }

    .auth-hero {
        flex: 1;
        display: grid;
        grid-template-columns: 1.15fr 0.85fr;
        gap: 64px;
        align-items: center;
        max-width: 1300px;
        margin: 0 auto;
        width: 100%;
        min-height: 0;
    }

}

/* Global App Footer Styles */
.global-app-footer {
    max-width: 1400px;
    width: calc(100% - 32px);
    margin: 20px auto 16px;
    padding: 12px 20px;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    z-index: 1;
    position: relative;
    flex-shrink: 0;
}
@media (min-width: 901px) {
    body:has(#authSection:not(.hidden)) .global-app-footer {
        border: none;
        box-shadow: none;
        background: transparent;
        padding: 10px 20px;
        margin: auto auto 12px;
        flex-shrink: 0;
    }
    [data-theme="dark"] body:has(#authSection:not(.hidden)) .global-app-footer {
        border-top: none;
    }
}
.global-app-footer-right {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 12px;
    color: var(--muted);
}
.global-app-footer-right a {
    color: inherit;
    text-decoration: underline;
}

/* Branded Footer Shared Styles */
.auth-footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}
.auth-footer-brand img {
    height: 32px;
    width: 32px;
    object-fit: contain;
    border-radius: 6px;
}
.auth-footer-brand-text {
    font-size: 1.3rem;
    font-weight: 800;
    letter-spacing: 0.02em;
    color: #101c33;
}
[data-theme="dark"] .auth-footer-brand-text {
    color: #ffffff;
}
.auth-footer-brand-text span {
    color: #116149;
}
[data-theme="dark"] .auth-footer-brand-text span {
    color: #3dba8f;
}

/* Fallback/Mobile Layout */
@media (max-width: 900px) {
    .auth-hero-container {
        display: flex;
        flex-direction: column;
        gap: 24px;
    }
    .auth-hero {
        display: grid;
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

.auth-hero-brand {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.auth-hero-logo {
    width: 56px; height: 56px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--accent), #0e7c5a);
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 8px 24px rgba(17, 97, 73, 0.3);
    overflow: hidden; flex-shrink: 0;
}
.auth-hero-logo img { width: 42px; height: 42px; object-fit: contain; }

.auth-hero-title {
    font-size: clamp(2rem, 4.5vw, 2.8rem);
    font-weight: 800; line-height: 1.1; letter-spacing: -0.03em;
    color: var(--ink); margin: 0;
}

.auth-hero-tagline {
    font-size: 0.9rem; line-height: 1.55; color: var(--muted);
    margin: 0; max-width: 400px;
}

.auth-hero-features {
    display: grid; gap: 8px; margin-top: 2px;
}

.auth-hero-feat {
    display: flex; align-items: center; gap: 10px;
    font-size: 0.85rem; color: var(--ink); font-weight: 500;
}

.auth-hero-feat-icon {
    width: 28px; height: 28px; border-radius: 7px;
    background: linear-gradient(135deg, rgba(17, 97, 73, 0.08), rgba(17, 97, 73, 0.03));
    display: flex; align-items: center; justify-content: center;
    font-size: 14px; flex-shrink: 0;
}

/* PRO AUTH CARD */
.auth-hero-form {
    display: flex; flex-direction: column; align-items: center; width: 100%;
}

.auth-card-pro {
    width: 100%; max-width: 420px;
    background: rgba(255, 255, 255, 0.82);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(17, 97, 73, 0.12);
    border-radius: 18px;
    padding: 24px 26px;
    box-shadow: 0 8px 32px rgba(17, 97, 73, 0.06), 0 1px 6px rgba(0, 0, 0, 0.04);
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}
.auth-card-pro:hover {
    box-shadow: 0 12px 40px rgba(17, 97, 73, 0.12), 0 2px 10px rgba(0, 0, 0, 0.06);
    transform: translateY(-2px);
}

/* PRO TABS */
.auth-tabs-pro {
    display: flex; position: relative;
    background: var(--surface);
    border-radius: 10px; padding: 3px; margin-bottom: 18px;
}
.auth-tab-pro {
    flex: 1; padding: 8px 14px; border: none; background: transparent;
    color: var(--muted); font-size: 0.84rem; font-weight: 600;
    border-radius: 8px; cursor: pointer;
    position: relative; z-index: 1; transition: color 0.3s ease;
}
.auth-tab-pro.active { color: #fff; }

.auth-tab-slider {
    position: absolute;
    top: 3px; left: 3px;
    width: calc(50% - 3px); height: calc(100% - 6px);
    background: linear-gradient(135deg, var(--accent), #0e7c5a);
    border-radius: 8px;
    transition: left 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 0;
    box-shadow: 0 2px 8px rgba(17, 97, 73, 0.3);
}
.auth-tabs-pro:has(.auth-tab-pro:nth-child(2).active) .auth-tab-slider { left: calc(50%); }

/* FORM BODY */
.auth-panels-wrap { position: relative; min-height: 200px; }

.auth-form-body {
    display: flex; flex-direction: column; gap: 10px;
    animation: authFadeIn 0.3s ease;
}
.auth-form-body.hidden { display: none !important; }

@keyframes authFadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.auth-form-title {
    font-size: 1.2rem; font-weight: 700; letter-spacing: -0.02em;
    color: var(--ink); margin: 0;
}
.auth-form-sub {
    font-size: 0.8rem; color: var(--muted); margin: 0; line-height: 1.4;
}

/* INPUT GROUP */
.auth-input-group { position: relative; display: flex; align-items: center; }

.auth-input-icon {
    position: absolute; left: 11px; top: 50%; transform: translateY(-50%);
    font-size: 14px; color: #9aa39a; pointer-events: none; z-index: 1; line-height: 1;
}

.auth-input-pro {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid #e8e3d4; border-radius: 10px;
    font-size: 0.88rem;
    background: #faf9f5; color: var(--ink);
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.auth-input-pro:focus {
    outline: none; border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(17, 97, 73, 0.08); background: #fff;
}
.auth-input-pro::placeholder { color: #b8b5a8; }

/* PASSWORD SUGGEST BUTTON */
.auth-pwd-suggest {
    position: absolute; right: 10px; top: 50%; transform: translateY(-50%);
    background: none; border: none; font-size: 16px; cursor: pointer;
    padding: 4px; line-height: 1; z-index: 2; color: var(--muted);
    transition: color 0.2s ease, transform 0.15s ease;
}
.auth-pwd-suggest:hover { color: var(--accent-2); transform: translateY(-50%) scale(1.15); }

/* PASSWORD STRENGTH METER */
.auth-pwd-meter { display: flex; align-items: center; gap: 8px; margin-top: -4px; }
.auth-pwd-meter-bar {
    flex: 1; height: 4px; background: #e8e3d4; border-radius: 10px;
    overflow: hidden; transition: background 0.3s ease;
}
.auth-pwd-meter-label {
    font-size: 0.7rem; font-weight: 600; color: var(--muted);
    min-width: 44px; text-align: right; text-transform: uppercase; letter-spacing: 0.03em;
}

/* PRO BUTTONS */
.btn-auth-pro {
    display: block; width: 100%; padding: 11px 20px; border: none;
    border-radius: 10px; font-size: 0.88rem; font-weight: 700;
    cursor: pointer; transition: all 0.25s ease; letter-spacing: 0.01em;
}
.btn-auth-primary {
    background: linear-gradient(135deg, var(--accent), #0e7c5a);
    color: #fff; box-shadow: 0 4px 14px rgba(17, 97, 73, 0.25);
}
.btn-auth-primary:hover { box-shadow: 0 6px 20px rgba(17, 97, 73, 0.4); transform: translateY(-1px); }
.btn-auth-primary:active { transform: translateY(0); box-shadow: 0 2px 8px rgba(17, 97, 73, 0.2); }

.auth-hint { font-size: 0.76rem; color: var(--muted); margin: 0; text-align: center; font-weight: 500; }

/* OTP PANEL */
.auth-otp-panel {
    display: flex; flex-direction: column; align-items: center; gap: 10px;
    text-align: center; animation: authFadeIn 0.3s ease;
}
.auth-otp-panel.hidden { display: none !important; }

.auth-back-btn {
    align-self: flex-start; background: none; border: none;
    font-size: 0.84rem; color: var(--accent); cursor: pointer; font-weight: 600;
    padding: 4px 0; transition: color 0.2s ease;
}
.auth-back-btn:hover { color: #0e7c5a; }

.auth-otp-icon {
    width: 48px; height: 48px; border-radius: 50%;
    background: linear-gradient(135deg, rgba(17, 97, 73, 0.1), rgba(17, 97, 73, 0.04));
    display: flex; align-items: center; justify-content: center;
    font-size: 22px; margin-bottom: 2px;
}

.auth-otp-instruction { font-size: 0.82rem; color: var(--muted); margin: 0; }
.auth-otp-inputs { display: flex; justify-content: center; }

.auth-otp-field {
    width: 180px !important; padding: 12px 0 !important;
    border: 1.5px solid #e8e3d4; border-radius: 12px;
    font-size: 24px !important; letter-spacing: 12px; text-align: center;
    font-weight: 700; background: #faf9f5; color: var(--ink);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.auth-otp-field:focus {
    outline: none; border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(17, 97, 73, 0.08); background: #fff;
}

.auth-otp-footer { display: flex; align-items: center; gap: 12px; font-size: 0.78rem; }
.auth-otp-timer { color: var(--muted); font-weight: 500; }
.auth-link-btn {
    background: none; border: none; color: var(--accent);
    font-size: 0.78rem; font-weight: 600; cursor: pointer; text-decoration: underline;
    transition: color 0.2s ease;
}
.auth-link-btn:hover { color: #0e7c5a; }

.auth-footer-copy { font-size: 0.7rem; color: var(--muted); margin: 0; text-align: center; }

/* Password Reset Panel */
.auth-otp-panel .auth-form-body {
    width: 100%;
}
#passwordResetPanel .auth-otp-instruction {
    font-size: 0.82rem;
    color: var(--muted);
    margin: 0;
    line-height: 1.5;
}
#resetStep2 .auth-input-group {
    margin-bottom: 4px;
}
#resetMessage {
    font-size: 0.78rem;
    color: var(--muted);
    text-align: center;
    margin-top: 8px;
    line-height: 1.4;
}

/* Email Change Section */
.profile-email-section {
    margin-bottom: 20px;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: var(--surface);
}
.profile-email-current {
    font-size: 14px;
    padding: 8px 10px;
    background: var(--card);
    border-radius: 8px;
    border: 1px solid var(--line);
    word-break: break-all;
}
#emailChangeStatus {
    font-size: 12px;
    line-height: 1.4;
}

.profile-password-section {
    margin-bottom: 20px;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: var(--surface);
}
.profile-password-section .profile-field {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.profile-password-section .profile-input {
    padding: 11px 14px;
    border: 1.5px solid var(--line);
    border-radius: 10px;
    font-size: 15px;
    background: var(--card);
    color: var(--ink);
    transition: border-color 0.2s, box-shadow 0.2s;
    min-height: 44px;
}
.profile-password-section .profile-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(17,97,73,0.1);
}
#changePasswordStatus {
    font-size: 12px;
    line-height: 1.4;
}

[data-theme="dark"] .profile-email-section {
    background: var(--card-alt);
}
[data-theme="dark"] .profile-email-current {
    background: var(--surface);
}
[data-theme="dark"] .profile-password-section {
    background: var(--card-alt);
}
[data-theme="dark"] .profile-password-section .profile-input {
    background: var(--surface);
    border-color: var(--line);
    color: var(--ink);
}
[data-theme="dark"] .profile-password-section .profile-input:focus {
    background: var(--card);
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(61,186,143,0.12);
}

input, select, textarea, button { font: inherit; }
input, select, textarea {
    width: 100%; border: 1px solid var(--line); border-radius: 8px;
    padding: 9px 10px; background: #fff;
    transition: border-color var(--transition), box-shadow var(--transition);
}
input:focus, select:focus, textarea:focus {
    outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--shape-1);
}

.btn {
    border: none; border-radius: 9px; padding: 9px 12px; cursor: pointer;
    transition: transform 0.15s, box-shadow 0.2s, background 0.2s, border-color 0.2s;
}
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn:active { transform: translateY(0); box-shadow: var(--shadow-sm); }
.btn-primary { background: linear-gradient(120deg, var(--accent), #0e7c5a); color: #fff; font-weight: 600; }
.btn-primary:hover { background: linear-gradient(120deg, #0e7c5a, var(--accent)); }
.btn-ghost { border: 1px solid var(--line); background: #fff; }
.btn-ghost:hover { background: var(--surface); border-color: var(--accent); color: var(--accent); }
.btn-danger { background: linear-gradient(120deg, #9f2b2b, #c0392b); color: #fff; font-weight: 600; }
.btn-danger:hover { background: linear-gradient(120deg, #c0392b, #a03030); }
.hidden { display: none !important; }

.user-strip { display: flex; justify-content: space-between; gap: 12px; align-items: center; }
.user-strip h2 { margin: 0; font-size: 20px; }
.user-strip p { margin: 2px 0 0; color: var(--muted); font-size: 13px; }
.pill-row { display: flex; gap: 8px; flex-wrap: wrap; }
.pill { padding: 5px 9px; border-radius: 999px; font-size: 11px; background: #ebf5f2; border: 1px solid #c7e0d7; color: #144f3c; }

.tabs { display: flex; gap: 8px; flex-wrap: wrap; }
.tab {
    border: 1px solid var(--line); background: #fff; border-radius: 8px;
    padding: 8px 12px; cursor: pointer;
    transition: background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.tab:hover { border-color: var(--accent); color: var(--accent); box-shadow: var(--shadow-sm); }
.tab.active {
    background: linear-gradient(135deg, #112b24, #1a4a3a); color: #fff;
    border-color: #112b24; box-shadow: 0 2px 8px rgba(17, 43, 36, 0.25);
}
[data-theme="dark"] .tab.active {
    background: linear-gradient(135deg, var(--accent), #2d8b6a);
    border-color: var(--accent); box-shadow: 0 2px 8px rgba(61, 186, 143, 0.25);
}

.field-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-bottom: 10px; }
.quiz-two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; align-items: stretch; }
.quiz-col { min-width: 0; display: flex; }
.quiz-col > .rec-section,
.quiz-col > .rec-panel { width: 100%; height: 100%; }
.quiz-col .rec-section { margin-bottom: 0; }
.quiz-popup {
    position: fixed;
    inset: 0;
    z-index: 1200;
    background: rgba(15, 18, 16, 0.58);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 18px;
}
.quiz-popup-box {
    width: min(980px, 96vw);
    max-height: 92vh;
    overflow-y: auto;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 14px;
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
    padding: 24px;
    position: relative;
}
.quiz-popup-close {
    position: sticky;
    top: 0;
    margin-left: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: #fff;
    color: var(--ink);
    cursor: pointer;
    z-index: 2;
    font-size: 16px;
}
body.modal-open { overflow: hidden; }
.quiz-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.quiz-head h3, .quiz-head p { margin: 0; }
.quiz-head p { color: var(--muted); font-size: 13px; }
.quiz-nav-btns { display: flex; justify-content: space-between; gap: 10px; margin-top: 20px; }
.popup-warning {
    margin: 8px 0 0;
    font-size: 12px;
    color: #af3737;
    background: #fde8e8;
    padding: 8px 12px;
    border-radius: 8px;
    border: 1px solid #f5c6c6;
}

.timer {
    min-width: 90px; text-align: center; border-radius: 999px; padding: 8px 10px;
    background: linear-gradient(135deg, #e7f2ee, #d4eae3); color: #0d5b43;
    font-weight: 700; font-variant-numeric: tabular-nums; transition: background 0.3s, color 0.3s;
}
.timer.warn { background: linear-gradient(135deg, #fff3d9, #ffe8bf); color: #8a560a; }
.timer.danger { background: linear-gradient(135deg, #fde3e3, #fbc8c8); color: var(--danger); animation: timerPulse 1s ease infinite; }
@keyframes timerPulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.05); } }

.progress-wrap { height: 8px; background: #ebe5d8; border-radius: 999px; margin: 12px 0; overflow: hidden; }
.progress-fill { height: 100%; width: 0; background: linear-gradient(120deg, var(--accent), var(--accent-2)); transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1); border-radius: 999px; }
.question-text { margin: 0 0 12px; line-height: 1.6; font-size: 16px; font-weight: 500; }
.options-wrap { display: grid; gap: 8px; }
.option-btn {
    border: 1px solid var(--line); background: #fff; border-radius: 9px;
    text-align: left; padding: 10px; cursor: pointer;
    transition: border-color var(--transition), background var(--transition), box-shadow var(--transition), transform 0.15s;
}
.option-btn:hover { border-color: var(--accent); box-shadow: 0 2px 8px var(--shape-1); }
.option-btn:active { transform: scale(0.98); }
.option-btn.correct { border-color: #87bf8c; background: #edf8ee; }
.option-btn.wrong { border-color: #db9393; background: #fdeeee; }
.feedback { min-height: 20px; margin: 10px 0 6px; font-weight: 600; }
.explanation { margin: 0; color: var(--muted); font-size: 13px; }

.stats-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 9px; }
.stat-card { border: 1px solid var(--line); background: #fff; border-radius: 9px; padding: 10px; transition: box-shadow var(--transition), transform var(--transition); }
.stat-card:hover { box-shadow: var(--shadow-sm); }
.stat-card h4 { margin: 0; font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.3px; }
.stat-card p { margin: 4px 0 0; font-size: 24px; font-weight: 700; }
.table-wrap { overflow-x: auto; margin-top: 10px; }
table { width: 100%; border-collapse: collapse; min-width: 700px; }
th, td { border-bottom: 1px solid var(--line); text-align: left; padding: 8px; font-size: 13px; vertical-align: top; transition: background 0.15s; }
tbody tr:hover td { background: var(--card-alt); }
th { color: var(--muted); font-size: 12px; }
.badge-good, .badge-weak { display: inline-block; padding: 4px 8px; border-radius: 999px; font-size: 12px; }
.badge-good { background: #e9f7eb; color: var(--good); }
.badge-weak { background: #fdeaea; color: var(--danger); }
.note-box { width: 100%; min-height: 70px; }

.message { padding: 10px; border-radius: 9px; font-size: 13px; border: 1px solid var(--line); background: #fff; animation: messageSlideIn 0.3s ease; }
@keyframes messageSlideIn { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }
.message.error { border-color: #e2a0a0; background: #fff4f4; color: var(--danger); }
.message.ok { border-color: #aad5b2; background: #f0faef; color: var(--good); }

.dash-head h3 { margin: 0; font-size: 22px; }
.dash-head p { margin: 4px 0 12px; color: var(--muted); font-size: 13px; }
.xp-badge { display: inline-block; background: linear-gradient(135deg, #f5a623, #f7c948); color: #1a1a1a; font-size: 13px; font-weight: 700; padding: 6px 14px; border-radius: 20px; box-shadow: 0 2px 8px rgba(245, 166, 35, 0.3); }
.xp-bonus { background: linear-gradient(135deg, #e66a2c, #f7a83e); color: #fff; }
.kpi-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-bottom: 20px; }
.kpi-card { border: 1px solid var(--line); border-radius: 12px; background: var(--bg-card, #fff); padding: 16px; position: relative; overflow: hidden; box-shadow: 0 4px 6px -1px rgba(0,0,0,0.02), 0 2px 4px -1px rgba(0,0,0,0.01); transition: all var(--transition); }
.kpi-card:hover { box-shadow: 0 12px 20px -8px rgba(17, 97, 73, 0.15); transform: translateY(-2px); border-color: var(--primary); }
.kpi-card h4 { margin: 0; font-size: 12px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.5px; }
.kpi-card p { margin: 8px 0 4px; font-size: 28px; font-weight: 800; color: var(--text); line-height: 1.1; font-family: var(--font-title, inherit); }
.kpi-card small { font-size: 11px; color: var(--muted); font-weight: 500; }

.insight-block { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-bottom: 20px; }
.insight-block > div { background: var(--bg-card, #fff); border: 1px solid var(--line); border-radius: 12px; padding: 16px; }
.insight-block h4 { margin: 0 0 10px; font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; color: var(--muted); }
.insight-wrap { min-height: 40px; display: flex; flex-wrap: wrap; gap: 6px; }
.insight-pill { display: inline-block; padding: 6px 12px; border-radius: 8px; font-size: 12px; font-weight: 600; transition: transform 0.2s; }
.insight-pill:hover { transform: translateY(-1px); }
.insight-pill.good { background: rgba(40, 167, 69, 0.1); color: #28a745; border: 1px solid rgba(40, 167, 69, 0.2); }
.insight-pill.risk { background: rgba(220, 53, 69, 0.1); color: #dc3545; border: 1px solid rgba(220, 53, 69, 0.2); }
.muted-copy { color: var(--muted); margin: 0; font-size: 13px; }
.score-cell { min-width: 140px; }
.score-track { margin-top: 4px; width: 100%; height: 6px; border-radius: 999px; background: #ece5d8; overflow: hidden; }
.score-fill { height: 100%; border-radius: 999px; }
.tone-good { background: linear-gradient(100deg, #2f8a41, #5ab26b); color: #256632; }
.tone-mid { background: linear-gradient(100deg, #cc8f24, #e5b45e); color: #99610f; }
.tone-risk { background: linear-gradient(100deg, #af3737, #d46d6d); color: #8c2727; }
.recent-wrap { margin-top: 12px; }
.recent-wrap h4 { margin: 0 0 8px; font-size: 14px; }
.recent-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.recent-card { border: 1px solid var(--line); border-radius: 10px; padding: 10px; background: #fff; display: flex; justify-content: space-between; gap: 8px; transition: box-shadow var(--transition); }
.recent-card:hover { box-shadow: var(--shadow-sm); }
.recent-card strong { display: block; margin-bottom: 2px; }
.recent-card p { margin: 0; color: var(--muted); font-size: 12px; }
.recent-score { font-size: 14px; font-weight: 700; border-radius: 999px; padding: 6px 10px; height: fit-content; background: #f3efe4; }
.wrong-card { border: 1px solid var(--line); border-radius: 10px; background: #fff; padding: 10px; margin-bottom: 10px; transition: box-shadow var(--transition), transform var(--transition); }
.wrong-card:hover { box-shadow: var(--shadow-sm); }
.wrong-meta-row { display: flex; gap: 6px; flex-wrap: wrap; }
.wrong-index, .wrong-chip { display: inline-block; font-size: 11px; padding: 3px 8px; border-radius: 999px; border: 1px solid #ddd6c9; background: #faf8f2; }
.wrong-question { margin: 8px 0 6px; line-height: 1.45; }
.wrong-subline { margin: 0 0 8px; font-size: 12px; color: var(--muted); }
.required { color: #af3737; }
.wrong-options-wrap { margin: 6px 0; }
.wrong-option { padding: 5px 8px; margin-bottom: 3px; border-radius: 6px; border: 1px solid var(--line); font-size: 13px; line-height: 1.4; background: #fafafa; }
.wrong-option.correct { background: #e9f7eb; border-color: #2a6e2f; font-weight: 600; }
.wrong-option.selected-wrong { background: #fde8e8; border-color: #af3737; text-decoration: line-through; }
.wrong-explanation { font-size: 13px; color: #555; margin: 4px 0 8px; padding: 6px 8px; background: #f8f6f0; border-radius: 6px; border-left: 3px solid var(--accent); }
.wrong-actions { margin-top: 6px; display: flex; gap: 8px; }
.history-kpis { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin: 0 0 10px; }
.mini-kpi { border: 1px solid var(--line); border-radius: 10px; padding: 9px; background: #fff; transition: box-shadow var(--transition); }
.mini-kpi:hover { box-shadow: var(--shadow-sm); }
.mini-kpi h4 { margin: 0; font-size: 12px; color: var(--muted); }
.mini-kpi p { margin: 4px 0 0; font-size: 22px; font-weight: 700; }
.history-score { display: inline-block; border-radius: 999px; padding: 4px 8px; font-weight: 700; font-size: 12px; background: #f3efe4; }
.chart-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-bottom: 12px; }
.chart-panel { border: 1px solid var(--line); border-radius: 12px; background: #fff; padding: 14px; position: relative; transition: box-shadow var(--transition); }
.chart-panel:hover { box-shadow: var(--shadow-sm); }
.chart-panel h4 { margin: 0 0 10px; font-size: 14px; }
.chart-panel svg { display: block; width: 100%; height: auto; overflow: visible; }
.chart-tooltip { position: fixed; padding: 7px 10px; background: #1f2521; color: #fff; border-radius: 7px; font-size: 11px; line-height: 1.45; pointer-events: none; z-index: 999; opacity: 0; transition: opacity 0.15s; white-space: nowrap; }
.chart-tooltip.visible { opacity: 1; }
.trend-dot { cursor: pointer; transition: r 0.15s; }
.trend-dot:hover { r: 6; }
.radar-poly { transition: opacity 0.2s; }

.srs-section { border: 1px solid var(--line); border-radius: 12px; background: linear-gradient(140deg, #fff 0%, #faf8f1 100%); padding: 14px; margin-bottom: 12px; box-shadow: var(--shadow-sm); }
.srs-section h4 { margin: 0 0 2px; font-size: 15px; }
.srs-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.srs-due { color: var(--accent-2); }
.weak-topics-panel { border: 1px solid var(--line); border-radius: 12px; background: linear-gradient(140deg, #fff 0%, #fef6f6 100%); padding: 14px; margin-bottom: 12px; box-shadow: var(--shadow-sm); }
.weak-topics-panel h4 { margin: 0 0 2px; font-size: 15px; }
.weak-topic-row { padding: 8px 0; border-bottom: 1px solid #f0ebe0; }
.weak-topic-row:last-child { border-bottom: none; }
.weak-topic-info { display: flex; justify-content: space-between; align-items: center; margin-bottom: 4px; }
.weak-topic-pct { font-size: 12px; color: var(--danger); font-weight: 600; }
.weak-topic-bar-wrap { width: 100%; height: 6px; border-radius: 999px; background: #f0ebe0; overflow: hidden; margin-bottom: 3px; }
.weak-topic-bar { height: 100%; border-radius: 999px; background: linear-gradient(100deg, #af3737, #d46d6d); }
.weak-topic-detail { font-size: 11px; color: var(--muted); }
.syll-panel { border: 1px solid var(--line); border-radius: 12px; background: linear-gradient(140deg, #fff 0%, #f3f8f5 100%); padding: 14px; margin-bottom: 12px; box-shadow: var(--shadow-sm); }
.syll-panel h4 { margin: 0 0 2px; font-size: 15px; }
.syll-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.syll-card { text-align: left; border: 1px solid #e4dfd4; border-radius: 10px; background: #fff; padding: 10px; cursor: pointer; transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition); }
.syll-card:hover { border-color: var(--accent); box-shadow: var(--shadow-sm); transform: translateY(-1px); }
.syll-card-top { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 4px; }
.syll-card-top h5 { margin: 0; font-size: 14px; }
.syll-preview { margin: 0 0 6px; font-size: 11px; color: var(--muted); line-height: 1.4; }
.syll-pill { display: inline-block; font-size: 11px; font-weight: 700; padding: 3px 8px; border-radius: 999px; border: 1px solid transparent; }
.syll-pill.good { background: #e9f7eb; color: var(--good); border-color: #b9e0be; }
.syll-pill.mid { background: #fff4e2; color: #ad6b06; border-color: #f4d3a3; }
.syll-pill.risk { background: #fdeaea; color: var(--danger); border-color: #efb8b8; }
.syll-modal-box { width: min(720px, 94vw); max-height: 88vh; overflow: hidden; display: flex; flex-direction: column; gap: 10px; }
.syll-modal-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; }
.syll-modal-list { overflow-y: auto; border: 1px solid var(--line); border-radius: 10px; padding: 10px; background: #faf8f2; max-height: 60vh; }
.syll-modal-row { border-bottom: 1px solid #e8e2d5; padding: 8px 0; }
.syll-modal-row:last-child { border-bottom: none; }
.syll-modal-unit { font-size: 13px; font-weight: 700; margin-bottom: 3px; color: #1f2521; }
.syll-modal-detail { font-size: 12px; color: var(--muted); line-height: 1.45; }
.challenge-stats-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-bottom: 12px; }
.challenge-card { border: 1px solid var(--line); border-radius: 12px; background: linear-gradient(140deg, #fff 0%, #f8f5ee 100%); padding: 16px; margin-bottom: 12px; box-shadow: var(--shadow-sm); }
.challenge-meta { display: flex; gap: 6px; margin-bottom: 10px; flex-wrap: wrap; }
.challenge-timer-wrap { display: flex; justify-content: center; margin-bottom: 14px; }
.challenge-timer-wrap .timer { font-size: 22px; min-width: 120px; padding: 10px 16px; }
.challenge-question { font-size: 16px; line-height: 1.5; margin: 0 0 12px; }
.challenge-result { text-align: center; padding: 16px; border-radius: 10px; margin-bottom: 12px; }
.challenge-result.correct { background: linear-gradient(140deg, #e9f7eb, #d4f1d9); color: var(--good); }
.challenge-result.wrong { background: linear-gradient(140deg, #fdeaea, #fbd5d5); color: var(--danger); }
.challenge-result h2 { margin: 0 0 4px; font-size: 22px; }
.challenge-result p { margin: 2px 0; font-size: 13px; }
.challenge-xp { font-size: 28px !important; font-weight: 700; }
.leaderboard-panel { border: 1px solid var(--line); border-radius: 12px; background: linear-gradient(140deg, #fff 0%, #faf8f1 100%); padding: 14px; margin-bottom: 12px; box-shadow: var(--shadow-sm); }
.leaderboard-panel h4 { margin: 0 0 8px; font-size: 15px; }
.rec-section { border: 1px solid var(--line); border-radius: 12px; background: linear-gradient(140deg, #fff 0%, #f0f7f4 100%); padding: 14px; margin-bottom: 12px; box-shadow: var(--shadow-sm); }
.rec-header { margin-bottom: 8px; }
.rec-header h4 { margin: 0; font-size: 15px; }
.rec-weakest { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; margin-bottom: 10px; }
.rec-label { font-size: 12px; color: var(--muted); font-weight: 600; }
.rec-filter-tab {
    border: 1px solid #e4bfc2;
    background: #fff2f3;
    color: #b63f49;
    border-radius: 10px;
    padding: 6px 10px;
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition);
}
.rec-filter-tab:hover { border-color: #ce6b74; }
.rec-filter-tab.active {
    background: linear-gradient(135deg, #af3737, #d15f5f);
    color: #fff;
    border-color: #af3737;
}
.rec-list-scroll { max-height: 420px; overflow-y: auto; padding-right: 4px; margin-bottom: 8px; }
.rec-list { display: grid; gap: 6px; margin-bottom: 8px; }
.rec-card { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border: 1px solid #e8e2d5; border-radius: 8px; background: #fff; transition: box-shadow var(--transition), border-color var(--transition); }
.rec-card:hover { border-color: var(--accent); box-shadow: var(--shadow-sm); }
.rec-rank { width: 26px; height: 26px; border-radius: 50%; background: linear-gradient(135deg, var(--accent), #0e7c5a); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 700; flex-shrink: 0; box-shadow: 0 2px 6px var(--shape-1); }
.rec-info { display: flex; gap: 6px; align-items: center; }
.rec-subject { font-size: 13px; font-weight: 600; }
.rec-diff { font-size: 11px; padding: 2px 6px; border-radius: 999px; background: #f0ebe0; color: var(--muted); }
.rec-topic { font-size: 11px; padding: 2px 6px; border-radius: 999px; background: #edf7f2; color: #1b6a4d; border: 1px solid #d2e9dc; }
.rec-reason { margin: 0; font-size: 11px; color: var(--muted); margin-left: auto; }
.rec-panel { margin-top: 0; display: flex; }
.rec-panel .rec-section { width: 100%; height: 100%; }
.quiz-config-actions { display: flex; gap: 8px; margin-top: 10px; }
.quiz-config-actions .btn { flex: 1; }

.btn-sm { padding: 4px 8px; font-size: 11px; border-radius: 6px; }
.btn-bookmark { border: 1px solid var(--line); background: #fff; color: var(--muted); margin-left: auto; padding: 8px 14px; border-radius: 999px; font-size: 12px; font-weight: 600; cursor: pointer; transition: all 0.2s ease; }
.btn-bookmark:hover { border-color: var(--accent); color: var(--accent); }
.btn-bookmarked { background: #e9f7eb; border-color: var(--good); color: var(--good); }
#endQuizEarlyBtn { background: #9f2b2b; border: 1px solid #9f2b2b; color: #fff; padding: 8px 14px; border-radius: 999px; font-size: 12px; font-weight: 600; cursor: pointer; transition: all 0.2s ease; }
#endQuizEarlyBtn:hover { background: #c0392b; border-color: #c0392b; }
.result-q-list { display: grid; gap: 8px; margin-bottom: 12px; }
.result-q-card { border: 1px solid var(--line); border-radius: 10px; padding: 10px; background: #fff; transition: box-shadow var(--transition); }
.result-q-card:hover { box-shadow: var(--shadow-sm); }
.result-q-card.correct { border-left: 4px solid var(--good); }
.result-q-card.wrong { border-left: 4px solid var(--danger); }
.result-q-head { display: flex; align-items: center; gap: 6px; margin-bottom: 6px; }
.result-q-num { font-weight: 700; font-size: 13px; }
.result-q-status { font-size: 12px; padding: 2px 8px; border-radius: 999px; }
.result-q-card.correct .result-q-status { background: linear-gradient(135deg, #e9f7eb, #d4f1d9); color: var(--good); }
.result-q-card.wrong .result-q-status { background: linear-gradient(135deg, #fdeaea, #fbd5d5); color: var(--danger); }
.result-q-time { font-size: 11px; color: var(--muted); }
.result-q-text { margin: 0 0 4px; font-size: 13px; line-height: 1.4; }
.result-q-detail { margin: 0; font-size: 12px; color: var(--muted); }

.mock-layout { display: grid; grid-template-columns: 1fr 280px; gap: 12px; }
.mock-main { min-width: 0; }
.mock-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; margin-bottom: 8px; }
.mock-head h3 { margin: 0; font-size: 18px; }
.mock-head p { margin: 2px 0 0; color: var(--muted); font-size: 13px; }
.mock-timers { display: flex; gap: 6px; flex-shrink: 0; }
.timer-sm { font-size: 13px; min-width: auto; padding: 6px 10px; }
.mock-progress-wrap { height: 6px; background: #ebe5d8; border-radius: 999px; margin-bottom: 10px; overflow: hidden; }
.mock-progress-fill { height: 100%; width: 0; background: linear-gradient(120deg, var(--accent), var(--accent-2)); transition: width 0.3s; }
.mock-q-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.mock-q-header span { font-weight: 600; font-size: 14px; }
.mock-q-meta { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.mock-topic-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 5px 12px;
    border-radius: 999px;
    border: 1px solid #b8d9c8;
    background: linear-gradient(135deg, #e8f5ee, #d4ece1);
    color: #1a4a3a;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.02em;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
.quiz-topic-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 5px 12px;
    border-radius: 999px;
    border: 1px solid #b8d9c8;
    background: linear-gradient(135deg, #e8f5ee, #d4ece1);
    color: #1a4a3a;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.02em;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
.btn-flag { border: 1px solid var(--line); background: #fff; color: var(--muted); }
.btn-flagged { background: #fff3d9; border-color: #dd6b2d; color: #8a560a; }
.mock-nav-btns { display: flex; gap: 8px; margin-top: 12px; }
.mock-nav { border: 1px solid var(--line); border-radius: 12px; background: #fff; padding: 10px; max-height: 600px; overflow-y: auto; }
.mock-nav-section { margin-bottom: 10px; }
.mock-nav-section-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 3px; }
.mock-nav-subject { font-size: 12px; font-weight: 600; }
.mock-nav-count { font-size: 11px; color: var(--muted); }
.mock-nav-bar { height: 4px; background: #ece5d8; border-radius: 999px; margin-bottom: 4px; overflow: hidden; }
.mock-nav-bar-fill { height: 100%; border-radius: 999px; background: var(--accent); transition: width 0.3s; }
.mock-nav-questions { display: flex; flex-wrap: wrap; gap: 3px; }
.mock-q-btn { width: 26px; height: 26px; border-radius: 5px; border: 1px solid #e0dbd0; background: #fff; font-size: 10px; cursor: pointer; display: flex; align-items: center; justify-content: center; }
.mock-q-btn.current { border-color: var(--accent); background: var(--accent); color: #fff; font-weight: 700; }
.mock-q-btn.answered { background: #e9f7eb; border-color: #87bf8c; color: var(--good); }
.mock-q-btn.flagged { background: #fff3d9; border-color: #dd6b2d; color: #8a560a; }
.mock-q-btn.skipped { background: #fdeaea; border-color: #db9393; }
.mock-info-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 8px; margin: 12px 0; }
.mock-info-card { border: 1px solid var(--line); border-radius: 10px; background: #fff; padding: 10px; text-align: center; }
.mock-info-card h4 { margin: 0; font-size: 12px; color: var(--muted); }
.mock-info-card p { margin: 4px 0 0; font-size: 20px; font-weight: 700; }
.mock-info-card small { font-size: 11px; color: var(--muted); }
.mock-features { text-align: center; margin-bottom: 8px; }
.mock-features p { margin: 0; font-size: 13px; color: var(--muted); }

.lb-period-row { display: flex; gap: 6px; align-items: center; margin-bottom: 10px; flex-wrap: wrap; }
.lb-my-rank { margin-left: auto; font-size: 13px; font-weight: 600; color: var(--accent); }
.friend-search-wrap { display: flex; gap: 6px; align-items: center; margin-bottom: 10px; }
.friend-card { display: flex; justify-content: space-between; align-items: center; padding: 10px; border: 1px solid var(--line); border-radius: 10px; background: #fff; margin-bottom: 6px; gap: 8px; flex-wrap: wrap; transition: box-shadow var(--transition); }
.friend-card:hover { box-shadow: var(--shadow-sm); }
.friend-info { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.friend-actions { display: flex; gap: 6px; align-items: center; }
.challenge-score { font-weight: 700; font-size: 14px; padding: 4px 8px; border-radius: 999px; background: #f3efe4; }

.modal-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.4); display: flex; align-items: center; justify-content: center; z-index: 1000; animation: fadeIn 0.2s ease; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.modal-box { background: #fff; border-radius: 12px; padding: 20px; width: 340px; max-width: 90vw; display: grid; gap: 6px; box-shadow: var(--shadow-xl); animation: modalPop 0.25s cubic-bezier(0.175, 0.885, 0.32, 1.275); }

/* ===== PROFILE MODAL ===== */
.profile-modal-box {
    background: var(--card);
    border-radius: 16px;
    width: 480px;
    max-width: 94vw;
    box-shadow: var(--shadow-xl);
    animation: modalPop 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    max-height: 90vh;
}
.profile-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px 0;
}
.profile-modal-header h3 {
    margin: 0 0 14px;
    font-size: 18px;
    font-weight: 700;
}
.profile-modal-close {
    width: 36px;
    height: 36px;
    min-width: 36px;
    min-height: 36px;
    border: none;
    background: var(--surface);
    border-radius: 50%;
    font-size: 22px;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--muted);
    margin-bottom: 14px;
    transition: background 0.2s, color 0.2s;
}
.profile-modal-close:hover {
    background: var(--line);
    color: var(--ink);
}
.profile-modal-body {
    padding: 0 24px;
    overflow-y: auto;
    flex: 1;
}
.profile-modal-footer {
    display: flex;
    gap: 10px;
    padding: 16px 24px;
    border-top: 1px solid var(--line);
    background: var(--surface);
    margin-top: 4px;
}

/* Avatar section */
.profile-avatar-section {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
    padding-top: 8px;
}
.profile-avatar-upload {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}
.profile-avatar-preview {
    width: 88px;
    height: 88px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--accent);
    box-shadow: 0 4px 16px rgba(17,97,73,0.2);
    background: var(--surface);
}
.profile-avatar-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.profile-avatar-placeholder {
    width: 88px;
    height: 88px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--surface), var(--line));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--muted);
    border: 3px dashed var(--line);
}
.profile-avatar-label {
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    color: var(--accent);
    padding: 6px 16px;
    border: 1px solid var(--accent);
    border-radius: 20px;
    transition: background 0.2s, color 0.2s;
    display: inline-block;
}
.profile-avatar-label:hover {
    background: var(--accent);
    color: #fff;
}
.profile-avatar-input {
    display: none;
}

/* Fields */
.profile-field-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 20px;
}
@media (max-width: 500px) {
    .profile-field-row { grid-template-columns: 1fr; }
}
.profile-field {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.profile-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.4px;
}
.profile-input {
    padding: 11px 14px;
    border: 1.5px solid var(--line);
    border-radius: 10px;
    font-size: 15px;
    background: var(--card);
    color: var(--ink);
    transition: border-color 0.2s, box-shadow 0.2s;
    min-height: 44px;
}
.profile-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(17,97,73,0.1);
}

/* Social links */
.profile-section-label {
    font-size: 13px;
    font-weight: 700;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--line);
}
.profile-social-grid {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
}
.profile-social-row {
    display: flex;
    align-items: center;
    gap: 10px;
}
.profile-social-icon {
    width: 32px;
    height: 32px;
    min-width: 32px;
    border-radius: 8px;
    background: var(--surface);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 800;
    border: 1px solid var(--line);
}
.profile-social-row .profile-input {
    flex: 1;
}

/* Notification toggles */
.profile-notif-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin-bottom: 8px;
}
.profile-toggle-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 14px;
    border: 1px solid var(--line);
    border-radius: 10px;
    cursor: pointer;
    transition: border-color 0.2s;
    min-height: 56px;
}
.profile-toggle-row:hover {
    border-color: var(--accent);
}
.profile-toggle-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.profile-toggle-text strong {
    font-size: 14px;
    font-weight: 600;
}
.profile-toggle-desc {
    font-size: 12px;
    color: var(--muted);
}
.profile-toggle-track {
    position: relative;
    width: 44px;
    height: 24px;
    flex-shrink: 0;
}
.profile-toggle-slider {
    position: absolute;
    inset: 0;
    background: var(--line);
    border-radius: 24px;
    cursor: pointer;
    transition: background 0.3s;
}
.profile-toggle-slider::after {
    content: "";
    position: absolute;
    top: 3px;
    left: 3px;
    width: 18px;
    height: 18px;
    background: #fff;
    border-radius: 50%;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 1px 4px rgba(0,0,0,0.2);
}
.profile-toggle-track input:checked + .profile-toggle-slider {
    background: var(--accent);
}
.profile-toggle-track input:checked + .profile-toggle-slider::after {
    transform: translateX(20px);
}
.profile-notif-note {
    margin: 6px 0 0;
    font-size: 12px;
    color: var(--muted);
    line-height: 1.45;
}

/* Dark mode overrides */
[data-theme="dark"] .profile-modal-box {
    background: var(--card);
    color: var(--ink);
}
[data-theme="dark"] .profile-modal-close {
    background: var(--surface);
    color: var(--muted);
}
[data-theme="dark"] .profile-modal-close:hover {
    background: var(--line);
    color: var(--ink);
}
[data-theme="dark"] .profile-modal-footer {
    background: var(--card-alt);
    border-color: var(--line);
}
[data-theme="dark"] .profile-avatar-placeholder {
    background: linear-gradient(135deg, var(--surface), #2a352f);
    border-color: var(--line);
}
[data-theme="dark"] .profile-avatar-label {
    border-color: var(--accent);
    color: var(--accent);
}
[data-theme="dark"] .profile-avatar-label:hover {
    background: var(--accent);
    color: #fff;
}
[data-theme="dark"] .profile-input {
    background: var(--surface);
    border-color: var(--line);
    color: var(--ink);
}
[data-theme="dark"] .profile-input:focus {
    background: var(--card);
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(61,186,143,0.12);
}
[data-theme="dark"] .profile-social-icon {
    background: var(--surface);
    border-color: var(--line);
}
[data-theme="dark"] .profile-toggle-row {
    background: var(--card);
    border-color: var(--line);
}
[data-theme="dark"] .profile-toggle-row:hover {
    border-color: var(--accent);
}
[data-theme="dark"] .profile-toggle-slider {
    background: var(--line);
}
[data-theme="dark"] .profile-toggle-track input:checked + .profile-toggle-slider {
    background: var(--accent);
}
[data-theme="dark"] .profile-toggle-slider::after {
    background: #fff;
}
[data-theme="dark"] .profile-section-label {
    border-color: var(--line);
}

@media (max-width: 500px) {
    .profile-modal-body { padding: 0 16px; }
    .profile-modal-header { padding: 16px 16px 0; }
    .profile-modal-footer { padding: 14px 16px; }
    .profile-avatar-preview, .profile-avatar-placeholder { width: 72px; height: 72px; }
}
@keyframes modalPop { from { transform: scale(0.9); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.modal-box h4 { margin: 0 0 6px; }
.ach-grid { display: grid; gap: 8px; }
.ach-card { display: flex; align-items: center; gap: 10px; padding: 10px; border: 1px solid var(--line); border-radius: 10px; background: #fff; transition: box-shadow var(--transition); }
.ach-card:hover { box-shadow: var(--shadow-sm); }
.ach-card.locked { opacity: 0.55; filter: grayscale(0.6); }
.ach-icon { font-size: 28px; flex-shrink: 0; width: 40px; text-align: center; }
.ach-info { flex: 1; }
.ach-info strong { display: block; font-size: 13px; }
.ach-info p { margin: 2px 0 0; font-size: 12px; color: var(--muted); }

@media (max-width: 900px) { .mock-info-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

.option-btn.selected { border-color: var(--accent); background: #eef7f3; }

@media (max-width: 900px) {
    .mock-layout { grid-template-columns: 1fr; }
    .mock-info-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
.leaderboard-panel table { min-width: 400px; }
.leaderboard-panel td, .leaderboard-panel th { padding: 7px 8px; }

@media (max-width: 900px) {
    .chart-row, .srs-grid, .challenge-stats-row { grid-template-columns: 1fr; }
    .rec-card { flex-wrap: wrap; }
    .rec-reason { margin-left: 0; width: 100%; }
    .auth-grid, .field-grid, .stats-grid, .kpi-grid, .insight-block, .history-kpis, .recent-grid { grid-template-columns: 1fr; }
    .quiz-two-col { grid-template-columns: 1fr; }
    .user-strip { flex-direction: column; align-items: flex-start; }
    .topbar { flex-direction: column; align-items: flex-start; }
    .auth-hero { grid-template-columns: 1fr; gap: 24px; height: auto; min-height: auto; padding: 20px 16px 32px; }
    .auth-hero-brand { text-align: center; align-items: center; }
    .auth-hero-logo { width: 56px; height: 56px; border-radius: 14px; }
    .auth-hero-logo img { width: 42px; height: 42px; }
    .auth-hero-title { font-size: 1.8rem; }
    .auth-hero-tagline { max-width: 100%; }
    .auth-hero-feat { justify-content: flex-start; }
    .auth-card-pro { padding: 22px 20px; border-radius: 16px; }
    .auth-tabs-pro { margin-bottom: 16px; }
    .global-app-footer {
        flex-direction: column;
        justify-content: center;
        text-align: center;
        gap: 16px;
        padding: 20px;
    }
    .global-app-footer-right {
        flex-direction: column;
        gap: 8px;
    }
}

/* ===== DARK MODE OVERRIDES ===== */
[data-theme="dark"] .bg-shape-1 { background: var(--shape-1); }
[data-theme="dark"] .bg-shape-2 { background: var(--shape-2); }
[data-theme="dark"] .auth-card-pro { background: rgba(26, 33, 25, 0.82); border-color: rgba(61, 186, 143, 0.18); }
[data-theme="dark"] .auth-tabs-pro { background: var(--surface); }
[data-theme="dark"] .auth-tab-pro { color: var(--muted); }
[data-theme="dark"] .auth-tab-pro.active { color: #fff; }
[data-theme="dark"] .auth-tab-slider { background: linear-gradient(135deg, var(--accent), #0ea87a); }
[data-theme="dark"] .auth-input-pro { background: var(--surface); border-color: var(--line); color: var(--ink); }
[data-theme="dark"] .auth-input-pro:focus { background: var(--card); border-color: var(--accent); box-shadow: 0 0 0 3px rgba(61, 186, 143, 0.12); }
[data-theme="dark"] .auth-input-pro::placeholder { color: #6a736d; }
[data-theme="dark"] .auth-input-icon { color: #6a736d; }
[data-theme="dark"] .auth-pwd-meter-bar { background: var(--surface); }
[data-theme="dark"] .auth-otp-field { background: var(--surface); border-color: var(--line); color: var(--ink); }
[data-theme="dark"] .auth-otp-field:focus { background: var(--card); border-color: var(--accent); box-shadow: 0 0 0 3px rgba(61, 186, 143, 0.12); }
[data-theme="dark"] .auth-otp-icon { background: linear-gradient(135deg, rgba(61, 186, 143, 0.12), rgba(61, 186, 143, 0.04)); }
[data-theme="dark"] .auth-hero-feat-icon { background: linear-gradient(135deg, rgba(61, 186, 143, 0.12), rgba(61, 186, 143, 0.04)); }

[data-theme="dark"] .topbar, [data-theme="dark"] .panel, [data-theme="dark"] .auth-card,
[data-theme="dark"] .kpi-card, [data-theme="dark"] .stat-card, [data-theme="dark"] .chart-panel,
[data-theme="dark"] .wrong-card, [data-theme="dark"] .recent-card, [data-theme="dark"] .mock-nav,
[data-theme="dark"] .mock-info-card, [data-theme="dark"] .mock-q-btn, [data-theme="dark"] .friend-card,
[data-theme="dark"] .ach-card, [data-theme="dark"] .leaderboard-panel, [data-theme="dark"] .rec-section,
[data-theme="dark"] .rec-card, [data-theme="dark"] .srs-section, [data-theme="dark"] .weak-topics-panel,
[data-theme="dark"] .challenge-card, [data-theme="dark"] .result-q-card { background: var(--card); border-color: var(--line); }

[data-theme="dark"] .ghost-link, [data-theme="dark"] .tab, [data-theme="dark"] .btn-ghost,
[data-theme="dark"] .btn-bookmark, [data-theme="dark"] .btn-flag, [data-theme="dark"] .option-btn,
[data-theme="dark"] input, [data-theme="dark"] select, [data-theme="dark"] textarea {
    background: var(--card); color: var(--ink); border-color: var(--line);
}
[data-theme="dark"] input:focus, [data-theme="dark"] select:focus, [data-theme="dark"] textarea:focus {
    border-color: var(--accent); box-shadow: 0 0 0 3px rgba(61, 186, 143, 0.15);
}
[data-theme="dark"] .tab.active { background: var(--accent); border-color: var(--accent); }
[data-theme="dark"] .btn-primary { background: linear-gradient(120deg, var(--accent), #0ea87a); }
[data-theme="dark"] .option-btn:hover { border-color: var(--option-hover-border); }
[data-theme="dark"] .option-btn.selected { border-color: var(--accent); background: var(--option-selected-bg); }
[data-theme="dark"] .option-btn.correct { background: var(--option-correct-bg); border-color: var(--option-correct-border); }
[data-theme="dark"] .option-btn.wrong { background: var(--option-wrong-bg); border-color: var(--option-wrong-border); }
[data-theme="dark"] .message.ok { background: var(--msg-ok-bg); border-color: var(--msg-ok-border); color: var(--msg-ok-text); }
[data-theme="dark"] .message.error { background: var(--msg-err-bg); border-color: var(--msg-err-border); color: var(--msg-err-text); }
[data-theme="dark"] .badge-good { background: var(--badge-good-bg); color: var(--good); }
[data-theme="dark"] .badge-weak { background: var(--badge-risk-bg); color: var(--danger); }
[data-theme="dark"] .insight-pill.good { background: var(--badge-good-bg); color: var(--good); }
[data-theme="dark"] .insight-pill.risk { background: var(--badge-risk-bg); color: var(--danger); }
[data-theme="dark"] .timer { background: linear-gradient(135deg, var(--surface), #2a3730); color: var(--accent); }
[data-theme="dark"] .timer.warn { background: linear-gradient(135deg, var(--badge-warn-bg), #3a3020); color: var(--badge-warn-text); }
[data-theme="dark"] .timer.danger { background: linear-gradient(135deg, var(--badge-risk-bg), #3a2020); color: var(--danger); }
[data-theme="dark"] .progress-wrap, [data-theme="dark"] .mock-progress-wrap, [data-theme="dark"] .score-track,
[data-theme="dark"] .weak-topic-bar-wrap, [data-theme="dark"] .mock-nav-bar, [data-theme="dark"] .progress-fill { background: var(--surface); }
[data-theme="dark"] .pill { background: var(--surface); border-color: var(--line); color: var(--accent); }
[data-theme="dark"] .recent-score { background: var(--surface); }
[data-theme="dark"] .challenge-score { background: var(--surface); }
[data-theme="dark"] .history-score { background: var(--surface); }
[data-theme="dark"] .wrong-chip, [data-theme="dark"] .wrong-index { background: var(--surface); border-color: var(--line); color: var(--ink); }
[data-theme="dark"] .wrong-option { background: var(--surface); border-color: var(--line); }
[data-theme="dark"] .wrong-option.correct { background: var(--badge-good-bg); border-color: var(--good); }
[data-theme="dark"] .wrong-option.selected-wrong { background: var(--badge-warn-bg); border-color: #af3737; }
[data-theme="dark"] .wrong-explanation { background: var(--surface); border-left-color: var(--accent); color: var(--muted); }
[data-theme="dark"] .mock-q-btn { background: var(--card); border-color: var(--line); color: var(--ink); }
[data-theme="dark"] .mock-q-btn.answered { background: var(--badge-good-bg); border-color: var(--good); color: var(--good); }
[data-theme="dark"] .mock-q-btn.flagged { background: var(--badge-warn-bg); border-color: var(--badge-warn-border); color: var(--badge-warn-text); }
[data-theme="dark"] .mock-q-btn.skipped { background: var(--badge-risk-bg); border-color: var(--danger); }
[data-theme="dark"] .challenge-result.correct { background: var(--badge-good-bg); color: var(--good); }
[data-theme="dark"] .challenge-result.wrong { background: var(--badge-risk-bg); color: var(--danger); }
[data-theme="dark"] .score-fill.tone-good { background: linear-gradient(100deg, var(--good), #72c97e); }
[data-theme="dark"] .score-fill.tone-mid { background: linear-gradient(100deg, var(--accent-2), #e8b06a); }
[data-theme="dark"] .score-fill.tone-risk { background: linear-gradient(100deg, var(--danger), #e87070); }
[data-theme="dark"] .tone-good { background: linear-gradient(100deg, var(--good), #72c97e); color: #fff; }
[data-theme="dark"] .tone-mid { background: linear-gradient(100deg, var(--accent-2), #e8b06a); color: #fff; }
[data-theme="dark"] .tone-risk { background: linear-gradient(100deg, var(--danger), #e87070); color: #fff; }
[data-theme="dark"] .btn-bookmarked { background: var(--badge-good-bg); border-color: var(--good); color: var(--good); }
[data-theme="dark"] .chart-tooltip { background: var(--card); color: var(--ink); border: 1px solid var(--line); }
[data-theme="dark"] .table-wrap table th { color: var(--muted); }
[data-theme="dark"] .table-wrap table td, [data-theme="dark"] .table-wrap table th { border-color: var(--line); }
[data-theme="dark"] .modal-box { background: var(--card); color: var(--ink); }
[data-theme="dark"] .modal-box select, [data-theme="dark"] .modal-box input { background: var(--card); color: var(--ink); border-color: var(--line); }
[data-theme="dark"] .message { background: var(--card); color: var(--ink); }
[data-theme="dark"] .xp-badge { background: linear-gradient(135deg, #8a6320, #b8952e); color: #fff; }
[data-theme="dark"] .xp-bonus { background: linear-gradient(135deg, #a04a18, #c97a2a); }
[data-theme="dark"] .required { color: var(--danger); }
[data-theme="dark"] .insight-block > div { background: var(--card); }
[data-theme="dark"] .mini-kpi { background: var(--card); }
[data-theme="dark"] .weak-topic-row { border-bottom-color: var(--line); }
[data-theme="dark"] .weak-topic-bar { background: linear-gradient(100deg, var(--danger), #e87070); }
[data-theme="dark"] .rec-diff { background: var(--surface); }
[data-theme="dark"] .result-q-card.correct .result-q-status { background: var(--badge-good-bg); color: var(--good); }
[data-theme="dark"] .result-q-card.wrong .result-q-status { background: var(--badge-risk-bg); color: var(--danger); }
[data-theme="dark"] .btn-flagged { background: var(--badge-warn-bg); border-color: var(--badge-warn-border); color: var(--badge-warn-text); }

.theme-toggle { border: 1px solid var(--line); background: var(--card); color: var(--ink); border-radius: 8px; padding: 7px 10px; cursor: pointer; font-size: 16px; line-height: 1; transition: background 0.2s; }
.theme-toggle:hover { background: var(--surface); }

/* ========================================
   MOBILE-FIRST REDESIGN
   ======================================== */
.btn, button, .tab, .option-btn, .ghost-link, .bottom-nav-btn,
.wrong-card .btn, .mock-q-btn, .friend-card .btn, .more-panel-item,
select, input[type="text"], input[type="email"], input[type="password"],
input[type="number"], textarea { min-height: 44px; min-width: 44px; }
.option-btn { padding: 14px 16px; font-size: 15px; border-radius: 12px; }
.tab { padding: 12px 16px; font-size: 14px; border-radius: 10px; white-space: nowrap; }
select, input[type="text"], input[type="email"], input[type="password"],
input[type="number"], textarea { padding: 12px 14px; font-size: 16px; }

.bottom-nav { position: fixed; bottom: 0; left: 0; right: 0; z-index: 900; display: flex; justify-content: space-around; align-items: center; background: var(--card); border-top: 1px solid var(--line); padding: 6px 0; padding-bottom: max(6px, env(safe-area-inset-bottom)); box-shadow: 0 -2px 12px rgba(0,0,0,0.08); transition: background 0.3s; }
.bottom-nav.hidden { display: none; }
.bottom-nav-btn { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; border: none; background: transparent; color: var(--muted); font-size: 10px; padding: 6px 12px; cursor: pointer; transition: color 0.2s; -webkit-tap-highlight-color: transparent; min-height: 44px; position: relative; }
.bottom-nav-btn::after { content: ""; position: absolute; top: 2px; left: 50%; transform: translateX(-50%) scaleX(0); width: 20px; height: 3px; border-radius: 999px; background: var(--accent); transition: transform 0.2s ease; }
.bottom-nav-btn.active::after { transform: translateX(-50%) scaleX(1); }
.bottom-nav-btn svg { width: 22px; height: 22px; stroke-width: 2; transition: stroke 0.2s; }
.bottom-nav-btn.active { color: var(--accent); }
.bottom-nav-btn.active svg { stroke: var(--accent); }

.more-panel { position: fixed; bottom: 0; left: 0; right: 0; z-index: 950; background: var(--card); border-top: 1px solid var(--line); border-radius: 16px 16px 0 0; padding: 20px 16px; padding-bottom: max(20px, env(safe-area-inset-bottom)); box-shadow: 0 -4px 20px rgba(0,0,0,0.15); transform: translateY(0); transition: transform 0.3s ease, background 0.3s; }
.more-panel.hidden { display: block; transform: translateY(100%); pointer-events: none; }
.more-panel.hidden ~ .bottom-nav { z-index: 800; }
.more-panel-close { position: absolute; top: 8px; right: 12px; background: none; border: none; font-size: 28px; color: var(--muted); cursor: pointer; min-height: 44px; min-width: 44px; display: flex; align-items: center; justify-content: center; }
.more-panel-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 8px; }
.more-panel-item { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; padding: 14px 8px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); color: var(--ink); font-size: 12px; font-weight: 500; cursor: pointer; transition: background 0.2s, border-color 0.2s, box-shadow 0.2s, transform 0.15s; -webkit-tap-highlight-color: transparent; min-height: 44px; }
.more-panel-item:hover { border-color: var(--accent); box-shadow: 0 2px 8px var(--shape-1); }
.more-panel-item:active { background: var(--line); transform: scale(0.97); }
.more-panel-item svg { stroke: var(--accent); }

.pull-indicator { position: fixed; top: 0; left: 50%; transform: translateX(-50%) translateY(-60px); z-index: 1000; display: flex; align-items: center; gap: 8px; background: var(--card); border: 1px solid var(--line); border-radius: 20px; padding: 8px 16px; box-shadow: 0 2px 10px rgba(0,0,0,0.1); transition: transform 0.3s ease; }
.pull-indicator.visible { transform: translateX(-50%) translateY(12px); }
.pull-indicator.refreshing { transform: translateX(-50%) translateY(12px); }
.pull-spinner { width: 18px; height: 18px; border: 2px solid var(--line); border-top-color: var(--accent); border-radius: 50%; }
.pull-indicator.refreshing .pull-spinner { animation: spin 0.6s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.pull-text { font-size: 13px; color: var(--muted); font-weight: 500; }

@media (min-width: 769px) { .bottom-nav, .more-panel, .pull-indicator { display: none !important; } }

@media (max-width: 768px) {
    .container { padding: 8px 8px 80px; }
    .topbar { padding: 10px 14px; border-radius: 0 0 12px 12px; }
    .topbar h1 { font-size: 18px; }
    .topbar p { font-size: 12px; }
    .topbar-actions .ghost-link, .topbar-actions .theme-toggle { display: none; }
    .topbar-actions { gap: 4px; }
    .tabs { display: none; }
    .user-strip { padding: 12px; }
    .user-strip h2 { font-size: 16px; }
    .user-strip .pill-row { display: none; }
    .quiz-config .field-grid { grid-template-columns: 1fr; }
    .quiz-head { flex-direction: column; gap: 8px; align-items: flex-start; }
    .question-text { font-size: 17px; }
    .options-wrap { gap: 10px; }
    .panel { padding: 12px; border-radius: 12px; }
    .modal-box { margin: 8px; padding: 16px; max-height: 85vh; }
    .mock-section-header { flex-direction: column; gap: 8px; }
    .mock-nav { max-height: 200px; overflow-y: auto; }
    .mock-q-btn { width: 40px; height: 40px; font-size: 14px; }
    .leaderboard-tabs { flex-wrap: wrap; }
    .friend-row { flex-direction: column; align-items: flex-start; gap: 8px; }
    .friend-info { flex-direction: column; }
    .challenge-row { flex-direction: column; align-items: flex-start; gap: 8px; }
    .stat { padding: 10px; }
    .chart-panel { padding: 10px; }
    .syll-grid { grid-template-columns: 1fr; }
    .syll-modal-box { width: min(640px, 96vw); }
    .insight-grid { grid-template-columns: 1fr; }
    .score-trend-row { flex-direction: column; align-items: flex-start; gap: 10px; }
    .weekly-stats { grid-template-columns: 1fr 1fr; }
    .weekly-grid { grid-template-columns: 1fr 1fr; }
    .table-wrap { overflow-x: auto; }
    .wrong-card { padding: 12px; }
    .wrong-filters { flex-wrap: wrap; }
    .recent-card { padding: 12px; }
    .field-grid { grid-template-columns: 1fr; }
    .result-grid { grid-template-columns: 1fr 1fr; }
    .result-row { grid-template-columns: 1fr; }
    .challenge-actions { flex-direction: column; }
    .challenge-actions .btn { width: 100%; }
    body { padding-bottom: 0; }
}

@keyframes swipeHint { 0%, 100% { transform: translateX(0); } 50% { transform: translateX(-8px); } }
.quiz-runner-active #quizRunner { touch-action: pan-y; }
.bottom-nav-btn:active, .more-panel-item:active, .option-btn:active, .btn:active { transform: scale(0.97); transition: transform 0.1s; }

@supports (padding: max(0px)) {
    .bottom-nav { padding-bottom: max(6px, env(safe-area-inset-bottom)); }
    .more-panel { padding-bottom: max(20px, env(safe-area-inset-bottom)); }
    .container { padding-bottom: max(80px, calc(80px + env(safe-area-inset-bottom))); }
}

.skeleton { background: linear-gradient(90deg, var(--surface) 25%, var(--line) 50%, var(--surface) 75%); background-size: 200% 100%; animation: shimmer 1.5s infinite; border-radius: 8px; }
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

.swipe-indicator { position: fixed; top: 50%; transform: translateY(-50%); z-index: 800; font-size: 24px; color: var(--accent); opacity: 0; pointer-events: none; transition: opacity 0.3s; }
.swipe-indicator.left { left: 8px; }
.swipe-indicator.right { right: 8px; }
.swipe-indicator.visible { opacity: 0.6; }

[data-theme="dark"] .bottom-nav { background: var(--card); border-color: var(--line); }
[data-theme="dark"] .bottom-nav-btn { color: var(--muted); }
[data-theme="dark"] .bottom-nav-btn.active { color: var(--accent); }
[data-theme="dark"] .more-panel { background: var(--card); border-color: var(--line); }
[data-theme="dark"] .more-panel-close { color: var(--muted); }
[data-theme="dark"] .more-panel-item { background: var(--surface); border-color: var(--line); color: var(--ink); }
[data-theme="dark"] .pull-indicator { background: var(--card); border-color: var(--line); }
[data-theme="dark"] .pull-spinner { border-color: var(--line); border-top-color: var(--accent); }

/* ========================================
   CELEBRATION ANIMATIONS
   ======================================== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--surface); border-radius: 3px; }
::-webkit-scrollbar-thumb { background: var(--line); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--muted); }

.celebrate-confetti-wrap { position: fixed; top: 0; left: 0; width: 100%; height: 100%; pointer-events: none; z-index: 10000; overflow: hidden; }
.celebrate-confetti-piece { position: absolute; top: -20px; border-radius: 2px; opacity: 0; }
@keyframes celebConfettiFall { 0% { transform: translateY(0) translateX(0) rotate(0deg) scale(1); opacity: 1; } 50% { opacity: 1; } 100% { transform: translateY(100vh) translateX(var(--drift, 0px)) rotate(720deg) scale(0.5); opacity: 0; } }

.celebrate-streak-overlay { position: fixed; top: 0; left: 0; right: 0; bottom: 0; z-index: 10001; display: flex; align-items: center; justify-content: center; background: rgba(0,0,0,0.5); animation: celebFadeIn 0.3s ease; padding: 20px; }
@keyframes celebFadeIn { from { opacity: 0; } to { opacity: 1; } }
.celebrate-streak-card { background: var(--card, #fffdf8); border: 2px solid var(--accent, #116149); border-radius: 20px; padding: 32px 28px; text-align: center; max-width: 340px; width: 100%; animation: celebPopIn 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275); box-shadow: 0 8px 40px rgba(17,97,73,0.3); }
@keyframes celebPopIn { 0% { transform: scale(0.5); opacity: 0; } 100% { transform: scale(1); opacity: 1; } }
.celebrate-streak-icon { font-size: 64px; margin-bottom: 12px; animation: celebBounce 0.8s ease infinite; }
@keyframes celebBounce { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
.celebrate-streak-card h2 { margin: 8px 0; font-size: 28px; color: var(--accent, #116149); }
.celebrate-streak-card p { color: var(--muted, #5e6760); font-size: 15px; margin: 8px 0 20px; }
.celebrate-streak-close { padding: 12px 32px; font-size: 16px; }

.celebrate-badge-toast { position: fixed; top: -100px; left: 50%; transform: translateX(-50%); z-index: 10002; display: flex; align-items: center; gap: 12px; background: var(--card, #fffdf8); border: 2px solid var(--accent, #116149); border-radius: 16px; padding: 14px 20px; box-shadow: 0 4px 20px rgba(17,97,73,0.25); transition: top 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275); }
.celebrate-badge-toast.visible { top: 20px; }
.celebrate-badge-icon { font-size: 36px; animation: celebBadgePulse 1s ease infinite; }
@keyframes celebBadgePulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.2); } }
.celebrate-badge-text { display: flex; flex-direction: column; }
.celebrate-badge-text strong { font-size: 14px; color: var(--accent, #116149); text-transform: uppercase; letter-spacing: 0.5px; }
.celebrate-badge-text span { font-size: 15px; color: var(--ink, #1f2521); font-weight: 600; }

.celebrate-milestone-toast { position: fixed; bottom: -100px; left: 50%; transform: translateX(-50%); z-index: 10002; display: flex; align-items: center; gap: 10px; background: linear-gradient(135deg, var(--accent, #116149), #0ea87a); color: #fff; border-radius: 16px; padding: 14px 24px; box-shadow: 0 4px 20px rgba(17,97,73,0.4); transition: bottom 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275); white-space: nowrap; }
.celebrate-milestone-toast.visible { bottom: 100px; }
.celebrate-milestone-icon { font-size: 28px; }
.celebrate-milestone-text { font-size: 16px; font-weight: 700; }

.celebrate-motiv-msg { display: flex; align-items: center; gap: 10px; background: linear-gradient(135deg, #e9f7eb, #f0fdf4); border: 1px solid #9ad09f; border-radius: 12px; padding: 14px 18px; margin-top: 14px; animation: celebSlideUp 0.5s ease; }
.celebrate-motiv-msg .celebrate-motiv-emoji { font-size: 28px; flex-shrink: 0; }
.celebrate-motiv-msg .celebrate-motiv-text { font-size: 15px; color: #1f6325; font-weight: 500; }
@keyframes celebSlideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

[data-theme="dark"] .celebrate-streak-card { background: var(--card); border-color: var(--accent); }
[data-theme="dark"] .celebrate-badge-toast { background: var(--card); border-color: var(--accent); }
[data-theme="dark"] .celebrate-badge-text strong { color: var(--accent); }
[data-theme="dark"] .celebrate-badge-text span { color: var(--ink); }
[data-theme="dark"] .celebrate-motiv-msg { background: linear-gradient(135deg, #1a3320, #1a2e1e); border-color: #2e5e35; }
[data-theme="dark"] .celebrate-motiv-msg .celebrate-motiv-text { color: #5cb868; }

#mdcatCountdownBtn:hover { transform: scale(1.05) !important; box-shadow: 0 12px 44px rgba(0,0,0,.18) !important; }
[data-theme="dark"] #mdcatCountdownBtn { background: var(--card, #1a1a2e); border-color: rgba(245,166,35,.25); }
[data-theme="dark"] #mdcatCountdownBtn span span { color: #e0e0e0 !important; }
[data-theme="dark"] #mdcatCountdownBtn span span:first-child { color: #f87171 !important; }
@media (min-width: 640px) { #mdcatCountdownBtn { bottom: 1.5rem !important; right: 1.5rem !important; padding: 0.375rem 0.625rem !important; } #mdcatCountdownBtn div:first-child div { width: 1.75rem !important; height: 1.75rem !important; font-size: 10px !important; } #mdcatCountdownBtn span { font-size: 13px !important; } #mdcatCountdownBtn span:last-child { width: 1.5rem !important; height: 1.5rem !important; } #mdcatCountdownBtn span:last-child svg { width: 0.75rem !important; height: 0.75rem !important; } }

/* ========================================
   ADMIN DASHBOARD
   ======================================== */
.admin-sub-tabs { display: flex; gap: 4px; flex-wrap: wrap; margin-bottom: 16px; padding-bottom: 8px; border-bottom: 1px solid var(--line, #d7d0c0); }
.admin-sub-tab { padding: 6px 14px; border: 1px solid var(--line, #d7d0c0); border-radius: 20px; background: transparent; cursor: pointer; font-size: 13px; color: var(--muted, #5e6760); transition: all .2s; }
.admin-sub-tab:hover { border-color: var(--accent, #116149); color: var(--accent, #116149); }
.admin-sub-tab.active { background: var(--accent, #116149); color: #fff; border-color: var(--accent, #116149); }
.admin-stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin-bottom: 20px; }
.admin-stat-card { background: var(--card, #fff); border: 1px solid var(--line, #d7d0c0); border-radius: 10px; padding: 16px; text-align: center; }
.admin-stat-card h3 { margin: 0 0 4px; font-size: 12px; font-weight: 600; color: var(--muted, #5e6760); text-transform: uppercase; letter-spacing: .5px; }
.admin-stat-card p { margin: 0; font-size: 28px; font-weight: 700; color: var(--ink, #1f2521); }
.admin-section { background: var(--card, #fff); border: 1px solid var(--line, #d7d0c0); border-radius: 10px; padding: 16px; margin-bottom: 16px; }
.admin-section h3 { margin: 0 0 12px; font-size: 16px; font-weight: 600; }
.admin-grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.admin-grid3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; }
.admin-grid4 { display: grid; grid-template-columns: 1fr 1fr 1fr 1fr; gap: 10px; }
.admin-table-wrap { overflow-x: auto; }
.admin-table-wrap table { width: 100%; border-collapse: collapse; font-size: 13px; }
.admin-table-wrap th, .admin-table-wrap td { padding: 8px 10px; text-align: left; border-bottom: 1px solid var(--line, #d7d0c0); }
.admin-table-wrap th { font-weight: 600; font-size: 11px; text-transform: uppercase; letter-spacing: .5px; color: var(--muted, #5e6760); background: var(--surface, #f3efe4); }
.admin-table-wrap tr:hover td { background: var(--card-alt, #faf8f1); }
.admin-form label { display: block; font-size: 12px; font-weight: 600; color: var(--muted, #5e6760); margin-bottom: 4px; }
.admin-form input, .admin-form select, .admin-form textarea { width: 100%; padding: 8px 10px; border: 1px solid var(--line, #d7d0c0); border-radius: 6px; font-size: 14px; background: var(--panel, #fffdf8); color: var(--ink, #1f2521); box-sizing: border-box; }
.admin-form textarea { resize: vertical; font-family: inherit; }
.admin-form .row { display: flex; gap: 8px; align-items: center; margin-top: 10px; flex-wrap: wrap; }
.admin-form .row .ghost { background: transparent; border: 1px solid var(--line, #d7d0c0); color: var(--muted, #5e6760); }
.admin-form .row .ghost:hover { border-color: var(--accent, #116149); color: var(--accent, #116149); }
.admin-badge { font-size: 12px; color: var(--accent-2, #dd6b2d); font-weight: 600; }
.admin-version-row { display: flex; gap: 8px; align-items: center; }
.admin-status { font-size: 13px; color: var(--muted, #5e6760); margin-top: 8px; }
.admin-status.ok { color: var(--good, #2a6e2f); }
.admin-status.err { color: var(--danger, #9f2b2b); }
@media (max-width: 640px) { .admin-grid2, .admin-grid3, .admin-grid4 { grid-template-columns: 1fr; } .admin-sub-tabs { gap: 4px; } .admin-sub-tab { font-size: 12px; padding: 4px 10px; } }

/* ========================================
   RESPONSIVE HARDENING (STUDENT APP)
   ======================================== */
@media (max-width: 1024px) {
    .topbar,
    .container,
    .global-app-footer {
        width: calc(100% - 20px);
    }

    .chart-row,
    .kpi-grid,
    .insight-block,
    .history-kpis,
    .stats-grid,
    .srs-grid,
    .recent-grid,
    .challenge-stats-row {
        grid-template-columns: 1fr 1fr;
    }

    .mock-layout {
        grid-template-columns: 1fr;
    }

    .mock-nav {
        max-height: 280px;
    }
}

@media (max-width: 768px) {
    .topbar,
    .container,
    .global-app-footer {
        width: calc(100% - 12px);
    }

    .topbar {
        margin-top: 8px;
        border-radius: 12px;
    }

    .panel {
        padding: 12px;
        border-radius: 12px;
    }

    .chart-row,
    .kpi-grid,
    .insight-block,
    .history-kpis,
    .stats-grid,
    .srs-grid,
    .recent-grid,
    .challenge-stats-row,
    .field-grid,
    .profile-field-row,
    .quiz-config-actions,
    .mock-info-grid {
        grid-template-columns: 1fr;
    }

    .quiz-head,
    .mock-head,
    .mock-q-header,
    .friend-search-wrap,
    .profile-modal-footer,
    .user-strip {
        flex-direction: column;
        align-items: flex-start;
    }

    .mock-timers,
    .mock-nav-btns,
    .wrong-actions,
    .friend-actions,
    .topbar-actions {
        width: 100%;
        flex-wrap: wrap;
    }

    .mock-nav-btns .btn,
    .quiz-config-actions .btn,
    .wrong-actions .btn,
    .friend-actions .btn,
    .profile-modal-footer .btn {
        flex: 1;
        min-width: 130px;
    }

    .table-wrap table,
    .admin-table-wrap table {
        min-width: 560px;
    }

    .kpi-card p {
        font-size: 24px;
    }

    .dash-head h3 {
        font-size: 20px;
    }

    .modal-box {
        width: calc(100vw - 18px);
        max-width: calc(100vw - 18px);
        margin: 0;
    }
}

@media (max-width: 480px) {
    .topbar h1 {
        font-size: 17px;
    }

    .auth-card-pro {
        padding: 18px 14px;
        border-radius: 14px;
    }

    .auth-form-title {
        font-size: 1.1rem;
    }

    .chart-panel,
    .kpi-card,
    .mini-kpi,
    .recent-card,
    .wrong-card,
    .challenge-card,
    .leaderboard-panel,
    .rec-section,
    .srs-section,
    .weak-topics-panel {
        padding: 10px;
    }

    .kpi-card p,
    .mini-kpi p,
    .mock-info-card p {
        font-size: 20px;
    }

    .table-wrap table,
    .admin-table-wrap table {
        min-width: 500px;
    }
}