/* ==========================================================================
   Geography Quest — design system
   A token-based, multi-theme UI layered on top of Bootstrap.
   Switch themes by setting  <html data-theme="...">  (see theme.js).
   ========================================================================== */

/* ---- Design tokens (defaults = "aurora" light theme) -------------------- */
:root,
[data-theme="aurora"] {
    color-scheme: light;

    --gq-bg: #f4f5fb;
    --gq-bg-pattern: radial-gradient(circle at 15% 15%, rgba(99, 102, 241, .06), transparent 40%),
                     radial-gradient(circle at 85% 0%, rgba(139, 92, 246, .07), transparent 45%);
    --gq-surface: #ffffff;
    --gq-surface-2: rgba(255, 255, 255, .75);
    --gq-text: #1e2233;
    --gq-text-muted: #6b7280;
    --gq-border: #e6e8f0;

    --gq-primary: #6366f1;
    --gq-primary-2: #8b5cf6;
    --gq-primary-contrast: #ffffff;
    --gq-accent: #ec4899;

    --gq-success: #16a34a;
    --gq-danger: #dc2626;
    --gq-warning: #f59e0b;

    --gq-sidebar: linear-gradient(180deg, #4f46e5 0%, #7c3aed 60%, #9333ea 100%);
    --gq-sidebar-text: rgba(255, 255, 255, .82);
    --gq-sidebar-text-active: #ffffff;
    --gq-sidebar-active: rgba(255, 255, 255, .18);
    --gq-sidebar-hover: rgba(255, 255, 255, .10);
    --gq-on-gradient: #ffffff;

    --gq-shadow: 0 1px 2px rgba(16, 24, 40, .04), 0 8px 24px rgba(16, 24, 40, .06);
    --gq-shadow-lg: 0 12px 32px rgba(16, 24, 40, .14);
    --gq-radius: 16px;
    --gq-radius-sm: 10px;
}

/* ---- Midnight (dark) ---------------------------------------------------- */
[data-theme="midnight"] {
    color-scheme: dark;

    --gq-bg: #0b1020;
    --gq-bg-pattern: radial-gradient(circle at 12% 10%, rgba(56, 189, 248, .10), transparent 42%),
                     radial-gradient(circle at 88% 0%, rgba(34, 197, 94, .08), transparent 45%);
    --gq-surface: #151b2e;
    --gq-surface-2: rgba(21, 27, 46, .72);
    --gq-text: #e8ecf6;
    --gq-text-muted: #9aa4be;
    --gq-border: #283149;

    --gq-primary: #38bdf8;
    --gq-primary-2: #22d3ee;
    --gq-primary-contrast: #04121e;
    --gq-accent: #34d399;

    --gq-success: #34d399;
    --gq-danger: #f87171;
    --gq-warning: #fbbf24;

    --gq-sidebar: linear-gradient(180deg, #0f1730 0%, #111c38 55%, #0b1428 100%);
    --gq-sidebar-text: rgba(226, 232, 240, .72);
    --gq-sidebar-text-active: #ffffff;
    --gq-sidebar-active: rgba(56, 189, 248, .22);
    --gq-sidebar-hover: rgba(255, 255, 255, .07);
    --gq-on-gradient: #04121e;

    --gq-shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 10px 28px rgba(0, 0, 0, .45);
    --gq-shadow-lg: 0 16px 40px rgba(0, 0, 0, .55);
}

/* ---- Sunset (orange) ---------------------------------------------------- */
[data-theme="sunset"] {
    color-scheme: light;

    --gq-bg: #fff7ed;
    --gq-bg-pattern: radial-gradient(circle at 15% 12%, rgba(249, 115, 22, .10), transparent 42%),
                     radial-gradient(circle at 85% 0%, rgba(239, 68, 68, .08), transparent 45%);
    --gq-surface: #ffffff;
    --gq-surface-2: rgba(255, 255, 255, .78);
    --gq-text: #3a2415;
    --gq-text-muted: #9a6c4a;
    --gq-border: #f4d9bf;

    --gq-primary: #f97316;
    --gq-primary-2: #fb923c;
    --gq-primary-contrast: #ffffff;
    --gq-accent: #ef4444;

    --gq-success: #16a34a;
    --gq-danger: #dc2626;
    --gq-warning: #d97706;

    --gq-sidebar: linear-gradient(180deg, #ea580c 0%, #f97316 55%, #f43f5e 100%);
    --gq-sidebar-text: rgba(255, 255, 255, .85);
    --gq-sidebar-text-active: #ffffff;
    --gq-sidebar-active: rgba(255, 255, 255, .22);
    --gq-sidebar-hover: rgba(255, 255, 255, .12);
    --gq-on-gradient: #ffffff;

    --gq-shadow: 0 1px 2px rgba(124, 45, 18, .05), 0 8px 24px rgba(124, 45, 18, .10);
    --gq-shadow-lg: 0 12px 32px rgba(124, 45, 18, .18);
}

/* ---- Emerald ------------------------------------------------------------ */
[data-theme="emerald"] {
    color-scheme: light;

    --gq-bg: #f0fdf6;
    --gq-bg-pattern: radial-gradient(circle at 15% 12%, rgba(16, 185, 129, .10), transparent 42%),
                     radial-gradient(circle at 85% 0%, rgba(13, 148, 136, .08), transparent 45%);
    --gq-surface: #ffffff;
    --gq-surface-2: rgba(255, 255, 255, .78);
    --gq-text: #0f2a22;
    --gq-text-muted: #5d7c72;
    --gq-border: #ccebda;

    --gq-primary: #10b981;
    --gq-primary-2: #14b8a6;
    --gq-primary-contrast: #ffffff;
    --gq-accent: #0ea5e9;

    --gq-success: #059669;
    --gq-danger: #dc2626;
    --gq-warning: #f59e0b;

    --gq-sidebar: linear-gradient(180deg, #047857 0%, #0d9488 60%, #0e7490 100%);
    --gq-sidebar-text: rgba(255, 255, 255, .85);
    --gq-sidebar-text-active: #ffffff;
    --gq-sidebar-active: rgba(255, 255, 255, .20);
    --gq-sidebar-hover: rgba(255, 255, 255, .11);
    --gq-on-gradient: #ffffff;

    --gq-shadow: 0 1px 2px rgba(6, 78, 59, .05), 0 8px 24px rgba(6, 78, 59, .10);
    --gq-shadow-lg: 0 12px 32px rgba(6, 78, 59, .18);
}

/* ---- Ocean -------------------------------------------------------------- */
[data-theme="ocean"] {
    color-scheme: light;

    --gq-bg: #eef6ff;
    --gq-bg-pattern: radial-gradient(circle at 15% 12%, rgba(14, 165, 233, .10), transparent 42%),
                     radial-gradient(circle at 85% 0%, rgba(59, 130, 246, .08), transparent 45%);
    --gq-surface: #ffffff;
    --gq-surface-2: rgba(255, 255, 255, .78);
    --gq-text: #0e2438;
    --gq-text-muted: #5a728c;
    --gq-border: #cfe3f6;

    --gq-primary: #0ea5e9;
    --gq-primary-2: #3b82f6;
    --gq-primary-contrast: #ffffff;
    --gq-accent: #6366f1;

    --gq-success: #16a34a;
    --gq-danger: #dc2626;
    --gq-warning: #f59e0b;

    --gq-sidebar: linear-gradient(180deg, #0369a1 0%, #0284c7 55%, #1d4ed8 100%);
    --gq-sidebar-text: rgba(255, 255, 255, .85);
    --gq-sidebar-text-active: #ffffff;
    --gq-sidebar-active: rgba(255, 255, 255, .20);
    --gq-sidebar-hover: rgba(255, 255, 255, .11);
    --gq-on-gradient: #ffffff;

    --gq-shadow: 0 1px 2px rgba(8, 47, 73, .05), 0 8px 24px rgba(8, 47, 73, .10);
    --gq-shadow-lg: 0 12px 32px rgba(8, 47, 73, .18);
}

/* ---- Base --------------------------------------------------------------- */
html, body {
    font-family: 'Inter', 'Segoe UI', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background-color: var(--gq-bg);
    background-image: var(--gq-bg-pattern);
    background-attachment: fixed;
    color: var(--gq-text);
    -webkit-font-smoothing: antialiased;
    transition: background-color .25s ease, color .25s ease;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--gq-text);
    letter-spacing: -0.01em;
}

a, .btn-link {
    color: var(--gq-primary);
    text-decoration: none;
}

a:hover, .btn-link:hover { color: var(--gq-primary-2); }

.content { padding-top: 1.25rem; }
h1:focus { outline: none; }

/* ---- Cards -------------------------------------------------------------- */
.card {
    background-color: var(--gq-surface);
    color: var(--gq-text);
    border: 1px solid var(--gq-border);
    border-radius: var(--gq-radius);
    box-shadow: var(--gq-shadow);
    overflow: hidden;
}

.card.shadow-sm { box-shadow: var(--gq-shadow) !important; }

.card-body { padding: 1.5rem; }

/* ---- Buttons ------------------------------------------------------------ */
.btn {
    border-radius: 999px;
    font-weight: 600;
    padding: .55rem 1.35rem;
    border: 1px solid transparent;
    transition: transform .12s ease, box-shadow .15s ease, filter .15s ease, background-color .15s ease, color .15s ease;
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary,
.btn-success,
.btn-warning,
.btn-danger {
    color: var(--gq-primary-contrast);
    box-shadow: 0 6px 16px -6px rgba(0, 0, 0, .35);
}

.btn-primary {
    background-image: linear-gradient(135deg, var(--gq-primary), var(--gq-primary-2));
    background-color: var(--gq-primary);
}
.btn-primary:hover, .btn-primary:focus { color: var(--gq-primary-contrast); filter: brightness(1.05); }

.btn-success { background-color: var(--gq-success); border-color: var(--gq-success); color: #fff; }
.btn-success:hover { background-color: var(--gq-success); color: #fff; filter: brightness(1.06); }

.btn-warning { background-color: var(--gq-warning); border-color: var(--gq-warning); color: #fff; }
.btn-warning:hover { background-color: var(--gq-warning); color: #fff; filter: brightness(1.06); }

.btn-danger { background-color: var(--gq-danger); border-color: var(--gq-danger); color: #fff; }
.btn-danger:hover { background-color: var(--gq-danger); color: #fff; filter: brightness(1.06); }

.btn-outline-primary {
    color: var(--gq-primary);
    border-color: var(--gq-primary);
    background-color: transparent;
}
.btn-outline-primary:hover {
    background-color: var(--gq-primary);
    border-color: var(--gq-primary);
    color: var(--gq-primary-contrast);
}

.btn-outline-secondary {
    color: var(--gq-text-muted);
    border-color: var(--gq-border);
    background-color: transparent;
}
.btn-outline-secondary:hover {
    background-color: var(--gq-text);
    border-color: var(--gq-text);
    color: var(--gq-surface);
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus,
.form-control:focus, .form-check-input:focus, .form-select:focus {
    box-shadow: 0 0 0 .2rem color-mix(in srgb, var(--gq-primary) 35%, transparent);
    border-color: var(--gq-primary);
}

/* ---- Forms -------------------------------------------------------------- */
.form-control, .form-select {
    background-color: var(--gq-surface);
    color: var(--gq-text);
    border: 1px solid var(--gq-border);
    border-radius: var(--gq-radius-sm);
    padding: .6rem .85rem;
}

.form-control::placeholder { color: var(--gq-text-muted); }

.form-floating > .form-control-plaintext::placeholder,
.form-floating > .form-control::placeholder {
    color: var(--gq-text-muted);
    text-align: end;
}
.form-floating > .form-control-plaintext:focus::placeholder,
.form-floating > .form-control:focus::placeholder { text-align: start; }

.darker-border-checkbox.form-check-input { border-color: var(--gq-text-muted); }

.valid.modified:not([type=checkbox]) { outline: 1px solid var(--gq-success); }
.invalid { outline: 1px solid var(--gq-danger); }
.validation-message { color: var(--gq-danger); }

/* ---- Tables ------------------------------------------------------------- */
.table {
    --bs-table-bg: transparent;
    --bs-table-color: var(--gq-text);
    --bs-table-border-color: var(--gq-border);
    color: var(--gq-text);
    border-color: var(--gq-border);
}

.table > thead {
    color: var(--gq-text-muted);
    text-transform: uppercase;
    font-size: .78rem;
    letter-spacing: .04em;
}

.table > tbody > tr:hover > * {
    background-color: color-mix(in srgb, var(--gq-primary) 7%, transparent);
}

/* ---- Badges & alerts ---------------------------------------------------- */
.badge {
    border-radius: 999px;
    font-weight: 600;
    padding: .4em .75em;
}

.badge.bg-secondary {
    background-color: color-mix(in srgb, var(--gq-primary) 14%, var(--gq-surface)) !important;
    color: var(--gq-primary);
}

.alert {
    border-radius: var(--gq-radius-sm);
    border: 1px solid var(--gq-border);
}
.alert-warning {
    background-color: color-mix(in srgb, var(--gq-warning) 16%, var(--gq-surface));
    color: var(--gq-text);
    border-color: color-mix(in srgb, var(--gq-warning) 40%, var(--gq-border));
}

.text-success { color: var(--gq-success) !important; }
.text-danger  { color: var(--gq-danger) !important; }
.text-muted   { color: var(--gq-text-muted) !important; }

/* ---- Hero (Home) -------------------------------------------------------- */
.gq-hero h1 .gq-gradient-text,
.gq-gradient-text {
    background: linear-gradient(135deg, var(--gq-primary), var(--gq-primary-2), var(--gq-accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

/* ---- Knowledge Hub country cards --------------------------------------- */
.country-card { transition: transform .14s ease, box-shadow .14s ease; }
.country-card:hover { transform: translateY(-4px); box-shadow: var(--gq-shadow-lg) !important; }

/* Lift effect for the home feature cards */
.gq-feature-card { transition: transform .14s ease, box-shadow .14s ease; }
.gq-feature-card:hover { transform: translateY(-4px); box-shadow: var(--gq-shadow-lg) !important; }

/* ---- Theme switcher (top bar) ------------------------------------------ */
.gq-theme-switcher {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    color: var(--gq-text-muted);
}

.gq-theme-select {
    appearance: none;
    -webkit-appearance: none;
    background-color: var(--gq-surface);
    color: var(--gq-text);
    border: 1px solid var(--gq-border);
    border-radius: 999px;
    padding: .3rem 2rem .3rem .9rem;
    font-size: .85rem;
    font-weight: 600;
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23888' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right .7rem center;
}

.gq-theme-select:focus {
    outline: none;
    border-color: var(--gq-primary);
    box-shadow: 0 0 0 .15rem color-mix(in srgb, var(--gq-primary) 30%, transparent);
}

/* ---- Quiz ---------------------------------------------------------------- */
.gq-quiz-wrap { max-width: 760px; margin: 0 auto; }

.gq-quiz-header { margin-bottom: 1.1rem; }

.gq-progress-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: .5rem;
}

.gq-progress-label { font-weight: 600; color: var(--gq-text-muted); }

.gq-score-chip {
    font-weight: 700;
    color: var(--gq-primary);
    background: color-mix(in srgb, var(--gq-primary) 12%, var(--gq-surface));
    border: 1px solid color-mix(in srgb, var(--gq-primary) 24%, transparent);
    border-radius: 999px;
    padding: .25rem .8rem;
    font-size: .9rem;
}

.gq-progress-track {
    height: 10px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--gq-text-muted) 22%, transparent);
    overflow: hidden;
}

.gq-progress-fill {
    height: 100%;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--gq-primary), var(--gq-primary-2));
    transition: width .35s ease;
}

.gq-question-card, .gq-summary-card { animation: gq-pop .25s ease; }

@keyframes gq-pop {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.gq-flag-frame {
    display: flex;
    justify-content: center;
    margin: 1.25rem 0;
}

.gq-flag-frame img {
    max-height: 170px;
    border-radius: 12px;
    border: 1px solid var(--gq-border);
    box-shadow: var(--gq-shadow);
}

/* Multiple-choice option buttons */
.gq-option {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .5rem;
    text-align: left;
    padding: .95rem 1.25rem;
    font-weight: 600;
    color: var(--gq-text);
    background: var(--gq-surface);
    border: 2px solid var(--gq-border);
    border-radius: 14px;
    cursor: pointer;
    transition: transform .12s ease, border-color .15s ease, box-shadow .15s ease, background-color .15s ease;
}

.gq-option:hover:not(:disabled) {
    transform: translateY(-2px);
    border-color: var(--gq-primary);
    box-shadow: var(--gq-shadow);
}

.gq-option:disabled { cursor: default; }

.gq-option.is-correct {
    border-color: var(--gq-success);
    background: color-mix(in srgb, var(--gq-success) 14%, var(--gq-surface));
    color: var(--gq-success);
}

.gq-option.is-wrong {
    border-color: var(--gq-danger);
    background: color-mix(in srgb, var(--gq-danger) 12%, var(--gq-surface));
    color: var(--gq-danger);
}

.gq-option.is-muted { opacity: .55; }

.gq-option-mark { font-size: 1.1rem; font-weight: 800; }

/* Text-entry fields */
.gq-field { margin-bottom: 1rem; }

.gq-field-label {
    display: block;
    font-weight: 600;
    font-size: .85rem;
    color: var(--gq-text-muted);
    margin-bottom: .35rem;
    text-transform: uppercase;
    letter-spacing: .03em;
}

.gq-field-input { font-size: 1.05rem; }

.gq-field.is-correct .gq-field-input { border-color: var(--gq-success); }
.gq-field.is-wrong   .gq-field-input { border-color: var(--gq-danger); }

.gq-field-feedback { display: inline-block; margin-top: .4rem; font-weight: 600; font-size: .9rem; }
.gq-field-feedback.ok  { color: var(--gq-success); }
.gq-field-feedback.bad { color: var(--gq-danger); }

/* Answer feedback panel */
.gq-feedback {
    margin-top: 1.4rem;
    padding: 1rem 1.2rem;
    border-radius: 14px;
    border: 1px solid var(--gq-border);
    background: var(--gq-surface);
    animation: gq-pop .2s ease;
}

.gq-feedback.ok  { border-color: color-mix(in srgb, var(--gq-success) 45%, var(--gq-border)); background: color-mix(in srgb, var(--gq-success) 8%, var(--gq-surface)); }
.gq-feedback.bad { border-color: color-mix(in srgb, var(--gq-danger) 45%, var(--gq-border)); background: color-mix(in srgb, var(--gq-danger) 8%, var(--gq-surface)); }

.gq-feedback-head { display: flex; align-items: center; gap: .6rem; font-size: 1.05rem; }

.gq-feedback-icon {
    flex: 0 0 auto;
    width: 1.8rem; height: 1.8rem;
    display: inline-flex; align-items: center; justify-content: center;
    border-radius: 50%;
    font-weight: 800;
    color: #fff;
}
.gq-feedback.ok  .gq-feedback-icon { background: var(--gq-success); }
.gq-feedback.bad .gq-feedback-icon { background: var(--gq-danger); }

.gq-points {
    margin-left: .5rem;
    font-weight: 700;
    color: var(--gq-primary);
}

/* ---- Game configuration (Play) ----------------------------------------- */
.gq-config-wrap { max-width: 820px; margin: 0 auto; }

.gq-config-head { margin-bottom: 1.75rem; }

.gq-config-section {
    background: var(--gq-surface);
    border: 1px solid var(--gq-border);
    border-radius: var(--gq-radius);
    box-shadow: var(--gq-shadow);
    padding: 1.25rem 1.4rem;
    margin-bottom: 1.25rem;
}

.gq-section-title {
    font-size: .8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--gq-text-muted);
    margin-bottom: .9rem;
}

/* Segmented difficulty control */
.gq-segmented {
    display: inline-flex;
    padding: .25rem;
    gap: .25rem;
    background: color-mix(in srgb, var(--gq-text-muted) 14%, transparent);
    border-radius: 999px;
}

.gq-segment {
    border: none;
    background: transparent;
    color: var(--gq-text-muted);
    font-weight: 600;
    padding: .5rem 1.4rem;
    border-radius: 999px;
    cursor: pointer;
    transition: background-color .15s ease, color .15s ease, box-shadow .15s ease;
}

.gq-segment.is-active {
    background: var(--gq-surface);
    color: var(--gq-primary);
    box-shadow: var(--gq-shadow);
}

/* Question-type selectable cards */
.gq-type-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
    gap: .75rem;
}

.gq-type-card {
    display: flex;
    align-items: center;
    gap: .8rem;
    text-align: left;
    padding: .85rem 1rem;
    background: var(--gq-surface);
    border: 2px solid var(--gq-border);
    border-radius: 14px;
    cursor: pointer;
    transition: transform .12s ease, border-color .15s ease, box-shadow .15s ease, background-color .15s ease;
}

.gq-type-card:hover {
    transform: translateY(-2px);
    border-color: color-mix(in srgb, var(--gq-primary) 50%, var(--gq-border));
    box-shadow: var(--gq-shadow);
}

.gq-type-card.is-selected {
    border-color: var(--gq-primary);
    background: color-mix(in srgb, var(--gq-primary) 8%, var(--gq-surface));
}

.gq-type-icon {
    font-size: 1.5rem;
    flex: 0 0 auto;
    width: 2.4rem; height: 2.4rem;
    display: inline-flex; align-items: center; justify-content: center;
    background: color-mix(in srgb, var(--gq-primary) 12%, var(--gq-surface));
    border-radius: 12px;
}

.gq-type-text { display: flex; flex-direction: column; line-height: 1.25; flex: 1; }
.gq-type-label { font-weight: 700; color: var(--gq-text); }
.gq-type-desc { font-size: .8rem; color: var(--gq-text-muted); }

.gq-type-check {
    flex: 0 0 auto;
    width: 1.5rem; height: 1.5rem;
    display: inline-flex; align-items: center; justify-content: center;
    border-radius: 50%;
    font-weight: 800;
    color: #fff;
    background: var(--gq-primary);
    opacity: 0;
    transform: scale(.6);
    transition: opacity .15s ease, transform .15s ease;
}
.gq-type-card.is-selected .gq-type-check { opacity: 1; transform: scale(1); }

/* Question-count pills */
.gq-pill-group { display: flex; gap: .5rem; flex-wrap: wrap; }

.gq-pill {
    min-width: 3.2rem;
    padding: .5rem 1.1rem;
    font-weight: 700;
    color: var(--gq-text-muted);
    background: var(--gq-surface);
    border: 2px solid var(--gq-border);
    border-radius: 999px;
    cursor: pointer;
    transition: transform .12s ease, border-color .15s ease, color .15s ease, background-color .15s ease;
}

.gq-pill:hover { transform: translateY(-1px); border-color: color-mix(in srgb, var(--gq-primary) 50%, var(--gq-border)); }

.gq-pill.is-active {
    color: var(--gq-primary-contrast);
    background-image: linear-gradient(135deg, var(--gq-primary), var(--gq-primary-2));
    border-color: transparent;
}

.gq-start-btn { padding-left: 2rem; padding-right: 2rem; }

/* ---- Shared page header ------------------------------------------------- */
.gq-page-head { margin-bottom: 1.5rem; }

/* ---- Leaderboard -------------------------------------------------------- */
.gq-leaderboard thead th {
    border-bottom: 1px solid var(--gq-border);
    padding-top: 1rem;
    padding-bottom: .75rem;
}

.gq-leaderboard tbody td { padding-top: .85rem; padding-bottom: .85rem; }

.gq-rank {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2rem;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--gq-text-muted);
}

.gq-leaderboard tr.gq-rank-top td { background: color-mix(in srgb, var(--gq-warning) 9%, transparent); }
.gq-leaderboard tr.gq-rank-top .gq-rank { font-size: 1.35rem; }

/* ---- Knowledge Hub search + cards -------------------------------------- */
.gq-search-bar .card-body { padding: 1rem 1.1rem; }

.gq-card-flag {
    height: 140px;
    object-fit: cover;
    border-bottom: 1px solid var(--gq-border);
}

.gq-country-stats {
    margin-top: .6rem;
    display: flex;
    flex-direction: column;
    gap: .25rem;
    font-size: .9rem;
    color: var(--gq-text);
}

.gq-stat-icon { margin-right: .35rem; }

/* ---- Country detail ----------------------------------------------------- */
.gq-country-hero { overflow: hidden; }
.gq-country-hero .card-body { padding: 1.25rem 1.5rem; }

.gq-hero-flag {
    height: 84px;
    border-radius: 10px;
    border: 1px solid var(--gq-border);
    box-shadow: var(--gq-shadow);
}

.gq-country-hero dt, .gq-country-hero dd { margin-bottom: .35rem; }

/* Definition lists on detail cards */
dl.row dt { color: var(--gq-text-muted); font-weight: 600; }
dl.row dd { color: var(--gq-text); }

/* ---- Blazor error boundary (unchanged behaviour) ----------------------- */
.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
    border-radius: var(--gq-radius-sm);
}

.blazor-error-boundary::after {
        content: "An error has occurred."
    }

/* ---- Learner accessibility preferences --------------------------------- */
.gq-high-contrast {
    --gq-bg: #ffffff;
    --gq-bg-pattern: none;
    --gq-surface: #ffffff;
    --gq-surface-2: #ffffff;
    --gq-text: #000000;
    --gq-text-muted: #242424;
    --gq-border: #000000;
    --gq-primary: #0037ff;
    --gq-primary-2: #0037ff;
    --gq-primary-contrast: #ffffff;
    --gq-success: #006b22;
    --gq-danger: #b00020;
    --gq-warning: #7a4300;
    --gq-shadow: none;
    --gq-shadow-lg: none;
}

.gq-high-contrast .card,
.gq-high-contrast .form-control,
.gq-high-contrast .form-select,
.gq-high-contrast .btn-outline-primary,
.gq-high-contrast .btn-outline-secondary {
    border-width: 2px;
}

.gq-reduced-motion *,
.gq-reduced-motion *::before,
.gq-reduced-motion *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
}

/* ---- GeoQuest visual refresh ------------------------------------------ */
:root,
[data-theme="aurora"] {
    --gq-bg: #f3f6f7;
    --gq-bg-pattern: none;
    --gq-surface: #ffffff;
    --gq-surface-2: #ffffff;
    --gq-text: #142638;
    --gq-text-muted: #617184;
    --gq-border: #dbe3e8;
    --gq-primary: #087f83;
    --gq-primary-2: #075985;
    --gq-primary-contrast: #ffffff;
    --gq-accent: #e65f48;
    --gq-success: #16805b;
    --gq-danger: #b93845;
    --gq-warning: #c78312;
    --gq-sidebar: #102d49;
    --gq-sidebar-text: rgba(255, 255, 255, .76);
    --gq-sidebar-text-active: #ffffff;
    --gq-sidebar-active: rgba(32, 196, 183, .16);
    --gq-sidebar-hover: rgba(255, 255, 255, .07);
    --gq-shadow: 0 1px 2px rgba(20, 38, 56, .05), 0 5px 16px rgba(20, 38, 56, .05);
    --gq-shadow-lg: 0 14px 34px rgba(20, 38, 56, .13);
    --gq-radius: 8px;
    --gq-radius-sm: 6px;
}

[data-theme="midnight"] {
    --gq-bg: #0c1722;
    --gq-bg-pattern: none;
    --gq-surface: #142536;
    --gq-surface-2: #122131;
    --gq-text: #edf5f7;
    --gq-text-muted: #9fb0bf;
    --gq-border: #294053;
    --gq-primary: #33c4bd;
    --gq-primary-2: #72b7e8;
    --gq-primary-contrast: #092329;
    --gq-accent: #ff806b;
    --gq-sidebar: #08131f;
}

[data-theme="sunset"] {
    --gq-bg: #faf5f1;
    --gq-bg-pattern: none;
    --gq-surface: #ffffff;
    --gq-surface-2: #ffffff;
    --gq-text: #352a2a;
    --gq-text-muted: #756669;
    --gq-border: #e8dcd7;
    --gq-primary: #b64b3a;
    --gq-primary-2: #087f83;
    --gq-accent: #d69c21;
    --gq-sidebar: #402f3b;
}

[data-theme="emerald"] {
    --gq-bg: #f1f7f3;
    --gq-bg-pattern: none;
    --gq-surface: #ffffff;
    --gq-surface-2: #ffffff;
    --gq-text: #17332d;
    --gq-text-muted: #5c756e;
    --gq-border: #d5e4dd;
    --gq-primary: #18785c;
    --gq-primary-2: #1d6f91;
    --gq-accent: #d76a45;
    --gq-sidebar: #143b35;
}

[data-theme="ocean"] {
    --gq-bg: #f1f6fa;
    --gq-bg-pattern: none;
    --gq-surface: #ffffff;
    --gq-surface-2: #ffffff;
    --gq-text: #132c40;
    --gq-text-muted: #5b7182;
    --gq-border: #d7e3ea;
    --gq-primary: #146f91;
    --gq-primary-2: #087f83;
    --gq-accent: #e5654d;
    --gq-sidebar: #0b3550;
}

html, body {
    background-image: none;
    letter-spacing: 0;
    height: 100%;
    max-width: 100%;
    overflow: hidden;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 { letter-spacing: 0; font-weight: 750; }
.content { width: 100%; max-width: 1320px; margin: 0 auto; padding-top: 1.5rem; padding-bottom: 2.5rem; }
.gq-icon { display: inline-block; flex: 0 0 auto; vertical-align: -.16em; }

.card {
    border-radius: 8px;
    box-shadow: var(--gq-shadow);
}

.card-body { padding: 1.15rem; }

.btn {
    min-height: 2.45rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .48rem;
    border-radius: 6px;
    padding: .5rem 1rem;
    box-shadow: none;
    letter-spacing: 0;
}

.btn:hover { transform: none; }
.btn-primary { background: var(--gq-primary); border-color: var(--gq-primary); box-shadow: none; }
.btn-primary:hover, .btn-primary:focus { background: color-mix(in srgb, var(--gq-primary) 88%, #000); border-color: transparent; filter: none; }
.btn-success, .btn-warning, .btn-danger { box-shadow: none; }
.btn-sm { min-height: 2.1rem; padding: .36rem .7rem; }
.btn-lg { min-height: 3rem; padding: .65rem 1.15rem; font-size: 1rem; }

.form-control, .form-select {
    min-height: 2.7rem;
    border-radius: 6px;
    padding: .62rem .8rem;
}

.form-check-input { border-color: color-mix(in srgb, var(--gq-text-muted) 65%, transparent); }
.badge { border-radius: 4px; padding: .36em .62em; letter-spacing: 0; }
.alert { border-radius: 6px; }

.gq-theme-switcher { gap: .45rem; }
.gq-theme-switcher > .gq-icon { color: var(--gq-text-muted); }
.gq-theme-select {
    min-height: 2.2rem;
    border-radius: 6px;
    padding: .35rem 1.9rem .35rem .65rem;
    font-size: .8rem;
}

.gq-user-name {
    display: inline-block;
    max-width: 14rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--gq-text-muted);
    font-size: .82rem;
}

.gq-eyebrow {
    color: var(--gq-primary);
    font-size: .72rem;
    font-weight: 750;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.gq-gradient-text {
    color: var(--gq-primary);
    background: none;
    -webkit-text-fill-color: currentColor;
}

.gq-page-head { margin-bottom: 1.65rem; }
.gq-page-head--with-icon { display: flex; align-items: center; gap: .9rem; }
.gq-page-icon {
    width: 3rem;
    height: 3rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    border-radius: 8px;
    color: var(--gq-primary);
    background: color-mix(in srgb, var(--gq-primary) 11%, var(--gq-surface));
    border: 1px solid color-mix(in srgb, var(--gq-primary) 20%, var(--gq-border));
}

.gq-home-intro {
    min-height: 380px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: clamp(1rem, 4vw, 3.25rem) 0 2.5rem;
    border-bottom: 1px solid var(--gq-border);
}

.gq-home-heading {
    display: grid;
    grid-template-columns: clamp(118px, 16vw, 190px) minmax(0, 700px);
    align-items: center;
    gap: clamp(1.25rem, 4vw, 3rem);
}

.gq-home-heading > img { width: 100%; aspect-ratio: 1; object-fit: contain; }
.gq-home-heading h1 { margin: 0 0 .65rem; color: var(--gq-text); font-size: clamp(2.75rem, 6vw, 5.2rem); line-height: .95; font-weight: 850; }
.gq-home-heading > div > p:not(.gq-eyebrow) { max-width: 650px; margin-bottom: 1.35rem; color: var(--gq-text-muted); font-size: 1.05rem; line-height: 1.65; }
.gq-home-actions { display: flex; flex-wrap: wrap; gap: .65rem; }

.gq-home-facts { display: flex; flex-wrap: wrap; gap: 1.5rem; margin-top: 2rem; padding-left: calc(clamp(118px, 16vw, 190px) + clamp(1.25rem, 4vw, 3rem)); }
.gq-home-facts span { display: inline-flex; align-items: center; gap: .4rem; color: var(--gq-text-muted); font-size: .83rem; font-weight: 650; }
.gq-home-facts span:nth-child(1) .gq-icon { color: #e65f48; }
.gq-home-facts span:nth-child(2) .gq-icon { color: #c78312; }
.gq-home-facts span:nth-child(3) .gq-icon { color: #087f83; }

.gq-home-section { padding-top: 2.25rem; }
.gq-section-heading { display: flex; justify-content: space-between; align-items: end; margin-bottom: 1rem; }
.gq-section-heading h2 { margin: 0; font-size: 1.45rem; }

.gq-action-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .85rem; }
.gq-action-card {
    min-height: 132px;
    display: grid;
    grid-template-columns: 2.8rem minmax(0, 1fr) 1.25rem;
    align-items: center;
    gap: .85rem;
    padding: 1.15rem;
    color: var(--gq-text);
    background: var(--gq-surface);
    border: 1px solid var(--gq-border);
    border-top: 3px solid var(--card-accent);
    border-radius: 8px;
    box-shadow: var(--gq-shadow);
    transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease;
}

.gq-action-card:hover { color: var(--gq-text); border-color: var(--card-accent); box-shadow: var(--gq-shadow-lg); transform: translateY(-2px); }
.gq-action-card--teal { --card-accent: #087f83; }
.gq-action-card--coral { --card-accent: #e65f48; }
.gq-action-card--yellow { --card-accent: #d69c21; }
.gq-action-icon { width: 2.8rem; height: 2.8rem; display: inline-flex; align-items: center; justify-content: center; color: var(--card-accent); background: color-mix(in srgb, var(--card-accent) 11%, var(--gq-surface)); border-radius: 6px; }
.gq-action-copy { display: grid; gap: .3rem; min-width: 0; }
.gq-action-copy strong { font-size: 1rem; }
.gq-action-copy small { color: var(--gq-text-muted); line-height: 1.45; }
.gq-action-arrow { color: var(--gq-text-muted); }

.gq-search-bar { padding: 1rem; background: var(--gq-surface); border: 1px solid var(--gq-border); border-radius: 8px; box-shadow: var(--gq-shadow); }
.gq-search-input { position: relative; }
.gq-search-input > .gq-icon { position: absolute; z-index: 2; left: .78rem; top: 50%; transform: translateY(-50%); color: var(--gq-text-muted); pointer-events: none; }
.gq-search-input .form-control { padding-left: 2.35rem; }
.country-card { transition: border-color .14s ease, box-shadow .14s ease, transform .14s ease; }
.country-card:hover { transform: translateY(-2px); border-color: color-mix(in srgb, var(--gq-primary) 45%, var(--gq-border)); }
.gq-card-flag { height: 150px; padding: .9rem; object-fit: contain; background: #edf2f5; }
.gq-country-stats > div { display: flex; align-items: center; gap: .45rem; }
.gq-country-stats .gq-icon { color: var(--gq-primary); }

.gq-auth-shell { min-height: calc(100vh - 10rem); display: grid; place-items: center; padding: 1rem 0 3rem; }
.gq-auth-panel { width: min(100%, 460px); padding: clamp(1.25rem, 4vw, 2rem); background: var(--gq-surface); border: 1px solid var(--gq-border); border-radius: 8px; box-shadow: var(--gq-shadow-lg); }
.gq-auth-panel--wide { width: min(100%, 590px); }
.gq-auth-panel h1 { margin-bottom: .3rem; font-size: 2rem; }
.gq-auth-brand { display: inline-flex; align-items: center; gap: .55rem; margin-bottom: 1.6rem; color: var(--gq-text); font-size: 1.05rem; font-weight: 800; }
.gq-auth-brand:hover { color: var(--gq-text); }
.gq-auth-brand img { width: 2.6rem; height: 2.6rem; object-fit: contain; }

.gq-config-section, .gq-type-card, .gq-option, .gq-feedback { border-radius: 8px; }
.gq-segmented { border-radius: 7px; }
.gq-segment { border-radius: 5px; }
.gq-pill { border-radius: 6px; }
.gq-pill.is-active { background: var(--gq-primary); }
.gq-progress-fill { background: var(--gq-primary); }

.gq-learning-controls .card-body {
    gap: 1rem !important;
    padding: 1rem;
}

.gq-learning-controls .btn {
    min-height: 2.2rem;
    padding: .38rem .72rem;
    font-size: .86rem;
}

.gq-question-card .card-body { padding: 1.1rem; }
.gq-question-card h2 { line-height: 1.35; }
.gq-question-card .gq-option { min-height: 3rem; padding: .72rem 1rem; }
.gq-quiz-header { margin-bottom: .8rem; }

@media (max-width: 991.98px) {
    .gq-action-grid { grid-template-columns: 1fr; }
    .gq-action-card { min-height: 104px; }
}

@media (max-width: 640.98px) {
    .content { padding: 1rem 1rem 2rem !important; }
    .page, main, .content, .gq-home-intro, .gq-home-heading, .gq-home-heading > div, .gq-home-section, .gq-action-grid, .gq-action-card, .gq-action-copy { min-width: 0; max-width: 100%; }
    .gq-user-name, .top-row-actions .btn span { display: none; }
    .top-row-actions .btn { width: 2.35rem; min-height: 2.35rem; padding: 0; }
    .top-row-actions .btn-primary { width: auto; padding: .4rem .65rem; }
    .gq-theme-switcher > .gq-icon { display: none; }
    .gq-theme-select { width: 6.6rem; }
    .gq-home-intro { min-height: 0; padding-top: .5rem; }
    .gq-home-heading { grid-template-columns: 1fr; gap: .35rem; }
    .gq-home-heading > img { width: 92px; }
    .gq-home-heading h1 { font-size: 2.8rem; }
    .gq-home-heading > div > p:not(.gq-eyebrow) { font-size: .95rem; overflow-wrap: anywhere; }
    .gq-home-facts { padding-left: 0; gap: .85rem 1.2rem; }
    .gq-action-card { grid-template-columns: 2.6rem minmax(0, 1fr) 1.1rem; padding: .95rem; }
    .gq-action-copy small { overflow-wrap: anywhere; }
    .gq-page-head--with-icon { align-items: flex-start; }
}
