/* ═══════════════════════════════════════════════════
   TF Quizzes — Front-End Teacher Hub Styles
   Mobile-first, Tawheed Foundation dark palette
   ═══════════════════════════════════════════════════ */

:root {
    --tfq-dark:    #000000;
    --tfq-navy:    #0a0a0a;
    --tfq-card:    #111111;
    --tfq-card2:   #1a1a1a;
    --tfq-gold:    #c9a84c;
    --tfq-gold-lt: #e2c070;
    --tfq-white:   #f0f4ff;
    --tfq-muted:   #9ca3af;
    --tfq-green:   #22c55e;
    --tfq-red:     #ef4444;
    --tfq-blue:    #3b82f6;
    --tfq-radius:  10px;
    --tfq-shadow:  0 4px 24px rgba(0,0,0,0.6);
    --tfq-font:    'Segoe UI', system-ui, -apple-system, sans-serif;
}

/* ── Outer container ─────────────────────────────── */
.tfq-teacher-hub {
    font-family: var(--tfq-font);
    color: var(--tfq-white);
    background: var(--tfq-dark);
    border-radius: 12px;
    overflow: hidden;
    margin: 8px 0 24px;
    box-shadow: var(--tfq-shadow);
}

/* ── Top bar (logged-in greeting) ────────────────── */
.tfq-hub-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: linear-gradient(135deg, #000000 0%, #0a0a0a 100%);
    padding: 14px 20px;
    border-bottom: 1px solid rgba(201,168,76,0.2);
    flex-wrap: wrap;
    gap: 8px;
}
.tfq-hub-greeting { font-size: 0.88rem; color: var(--tfq-muted); }
.tfq-hub-greeting strong { color: var(--tfq-white); }

/* ── Tab navigation ──────────────────────────────── */
.tfq-hub-tabs {
    display: flex;
    border-top: 1px solid rgba(255,255,255,0.06);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
.tfq-hub-tab {
    flex: 1;
    min-width: max-content;
    text-align: center;
    padding: 12px 18px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--tfq-muted);
    text-decoration: none;
    border-bottom: 3px solid transparent;
    transition: color 0.2s, border-color 0.2s;
    white-space: nowrap;
}
.tfq-hub-tab:hover   { color: var(--tfq-white); text-decoration: none; }
.tfq-hub-tab.active  {
    color: var(--tfq-gold);
    border-bottom-color: var(--tfq-gold);
}

/* ── Body ────────────────────────────────────────── */
.tfq-hub-body { padding: 20px 16px 32px; }

/* ── Panel ───────────────────────────────────────── */
.tfq-hub-panel {}
.tfq-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}
.tfq-panel-header h2 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--tfq-white);
    margin: 0;
}

/* ── Buttons ─────────────────────────────────────── */
.tfq-fe-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 18px;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    border: 1.5px solid rgba(255,255,255,0.15);
    background: var(--tfq-card2);
    color: var(--tfq-white);
    transition: border-color 0.2s, background 0.2s;
    white-space: nowrap;
}
.tfq-fe-btn:hover { border-color: var(--tfq-gold); color: var(--tfq-white); text-decoration: none; }
.tfq-fe-btn-gold  { background: var(--tfq-gold); color: #0a0f1e; border-color: var(--tfq-gold); }
.tfq-fe-btn-gold:hover { background: var(--tfq-gold-lt); border-color: var(--tfq-gold-lt); color: #0a0f1e; }
.tfq-fe-btn-sm    { padding: 8px 14px; font-size: 0.8rem; }
.tfq-fe-btn-lg    { padding: 14px 32px; font-size: 1rem; }
.tfq-fe-btn-danger { border-color: rgba(239,68,68,0.4); color: var(--tfq-red); background: rgba(239,68,68,0.06); }
.tfq-fe-btn-danger:hover { background: var(--tfq-red); color: #fff; border-color: var(--tfq-red); }

/* ── Empty state ─────────────────────────────────── */
.tfq-fe-empty {
    text-align: center;
    padding: 48px 24px;
    background: var(--tfq-card);
    border-radius: var(--tfq-radius);
    border: 1px solid rgba(201,168,76,0.12);
}
.tfq-fe-empty span { font-size: 2.5rem; display: block; margin-bottom: 12px; }
.tfq-fe-empty p    { color: var(--tfq-muted); margin: 0 0 20px; }

/* ── Quiz list rows ──────────────────────────────── */
.tfq-fe-quiz-list { display: flex; flex-direction: column; gap: 12px; }
.tfq-fe-quiz-row {
    background: var(--tfq-card);
    border: 1px solid rgba(201,168,76,0.15);
    border-radius: var(--tfq-radius);
    padding: 16px 18px;
    display: flex;
    align-items: flex-start;
    gap: 14px;
    flex-wrap: wrap;
    transition: border-color 0.2s;
}
.tfq-fe-quiz-row:hover { border-color: rgba(201,168,76,0.35); }
.tfq-fe-quiz-info { flex: 1; min-width: 0; }
.tfq-fe-quiz-info h3 { font-size: 0.95rem; font-weight: 600; color: var(--tfq-white); margin: 0 0 4px; }
.tfq-fe-quiz-info p  { font-size: 0.82rem; color: var(--tfq-muted); margin: 0 0 8px; }
.tfq-fe-quiz-meta { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.tfq-fe-pill {
    font-size: 0.75rem;
    padding: 3px 10px;
    border-radius: 20px;
    background: rgba(255,255,255,0.06);
    color: var(--tfq-muted);
    white-space: nowrap;
}
.tfq-fe-pill-gold { background: rgba(201,168,76,0.15); color: var(--tfq-gold); }
.tfq-fe-pill-link { text-decoration: none; transition: color 0.2s; }
.tfq-fe-pill-link:hover { color: var(--tfq-gold); }
.tfq-fe-quiz-actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: flex-start; }

/* ── Form fields ─────────────────────────────────── */
.tfq-fe-section { margin-bottom: 24px; }
.tfq-fe-section-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--tfq-gold);
    margin: 0 0 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(201,168,76,0.2);
}
.tfq-fe-field { margin-bottom: 16px; }
.tfq-fe-field label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--tfq-white);
    margin-bottom: 7px;
}
.tfq-fe-field input[type="text"],
.tfq-fe-field textarea {
    width: 100%;
    background: var(--tfq-card);
    border: 1.5px solid rgba(255,255,255,0.1);
    border-radius: 8px;
    padding: 12px 14px;
    color: var(--tfq-white);
    font-size: 0.95rem;
    font-family: var(--tfq-font);
    box-sizing: border-box;
    transition: border-color 0.2s;
    outline: none;
    resize: vertical;
}
.tfq-fe-field input:focus,
.tfq-fe-field textarea:focus { border-color: var(--tfq-gold); }
.tfq-required { color: var(--tfq-red); }
.tfq-optional { color: var(--tfq-muted); font-weight: 400; font-size: 0.8rem; }
.tfq-fe-divider { border: none; border-top: 1px solid rgba(255,255,255,0.07); margin: 24px 0; }

/* ── Question blocks ─────────────────────────────── */
.tfq-fe-question {
    background: var(--tfq-card);
    border: 1px solid rgba(201,168,76,0.15);
    border-radius: var(--tfq-radius);
    padding: 18px;
    margin-bottom: 14px;
}
.tfq-fe-q-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
}
.tfq-fe-q-badge {
    background: var(--tfq-gold);
    color: #0a0f1e;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 20px;
}
.tfq-fe-remove-q {
    background: transparent;
    border: 1px solid rgba(239,68,68,0.3);
    color: var(--tfq-red);
    font-size: 0.78rem;
    padding: 5px 12px;
    border-radius: 20px;
    cursor: pointer;
    transition: background 0.2s;
}
.tfq-fe-remove-q:hover { background: rgba(239,68,68,0.15); }
.tfq-fe-hint-field input { background: rgba(201,168,76,0.05); border-color: rgba(201,168,76,0.2); }

/* ── Answer builder ──────────────────────────────── */
.tfq-fe-answers-wrap label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--tfq-white);
    display: block;
    margin-bottom: 4px;
}
.tfq-fe-answers-note { font-size: 0.78rem; color: var(--tfq-muted); margin: 0 0 10px; }
.tfq-fe-answers { display: flex; flex-direction: column; gap: 8px; margin-bottom: 10px; }
.tfq-fe-answer-row {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--tfq-card2);
    border: 1px solid rgba(255,255,255,0.07);
    border-radius: 8px;
    padding: 8px 10px;
    transition: border-color 0.2s;
}
.tfq-fe-answer-row:has(.tfq-fe-correct-btn.active) {
    border-color: rgba(34,197,94,0.4);
    background: rgba(34,197,94,0.05);
}
.tfq-fe-correct-btn {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.15);
    background: transparent;
    color: var(--tfq-muted);
    font-size: 0.85rem;
    font-weight: 700;
    cursor: pointer;
    flex-shrink: 0;
    transition: all 0.15s;
    display: flex;
    align-items: center;
    justify-content: center;
}
.tfq-fe-correct-btn.active { background: var(--tfq-green); border-color: var(--tfq-green); color: #fff; }
.tfq-fe-correct-btn:hover  { border-color: var(--tfq-green); color: var(--tfq-green); }
.tfq-fe-answer-txt {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--tfq-white);
    font-size: 0.9rem;
    font-family: var(--tfq-font);
    outline: none;
    min-width: 0;
}
.tfq-fe-remove-answer-btn {
    background: transparent;
    border: none;
    color: rgba(239,68,68,0.5);
    cursor: pointer;
    font-size: 0.9rem;
    padding: 2px 4px;
    flex-shrink: 0;
}
.tfq-fe-remove-answer-btn:hover { color: var(--tfq-red); }
.tfq-fe-add-answer-btn {
    background: transparent;
    border: 1px dashed rgba(255,255,255,0.2);
    color: var(--tfq-muted);
    font-size: 0.82rem;
    padding: 8px 14px;
    border-radius: 8px;
    cursor: pointer;
    transition: border-color 0.2s, color 0.2s;
    width: 100%;
}
.tfq-fe-add-answer-btn:hover { border-color: var(--tfq-gold); color: var(--tfq-gold); }

/* ── Add question button ─────────────────────────── */
.tfq-fe-add-btn {
    width: 100%;
    padding: 14px;
    background: transparent;
    border: 2px dashed rgba(201,168,76,0.4);
    color: var(--tfq-gold);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--tfq-radius);
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s;
    margin-top: 4px;
}
.tfq-fe-add-btn:hover { background: rgba(201,168,76,0.06); border-color: var(--tfq-gold); }

/* ── Save bar ────────────────────────────────────── */
.tfq-fe-save-bar {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.07);
}
.tfq-fe-save-hint { font-size: 0.8rem; color: var(--tfq-muted); font-style: italic; }

/* ── Notice ──────────────────────────────────────── */
.tfq-fe-notice {
    padding: 14px 18px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}
.tfq-fe-notice.success { background: rgba(34,197,94,0.12); border: 1px solid rgba(34,197,94,0.4); color: #86efac; }
.tfq-fe-notice.error   { background: rgba(239,68,68,0.12); border: 1px solid rgba(239,68,68,0.4); color: #fca5a5; }

/* ── Login panel ─────────────────────────────────── */
.tfq-login-panel { display: flex; justify-content: center; padding: 32px 0; }
.tfq-login-card {
    background: var(--tfq-card);
    border: 1px solid rgba(201,168,76,0.2);
    border-radius: 14px;
    padding: 36px 28px;
    width: 100%;
    max-width: 400px;
    text-align: center;
}
.tfq-login-icon  { font-size: 2.5rem; margin-bottom: 12px; }
.tfq-login-card h2 { color: var(--tfq-gold); font-size: 1.2rem; margin: 0 0 8px; }
.tfq-login-card > p { color: var(--tfq-muted); font-size: 0.88rem; margin: 0 0 20px; }
.tfq-login-note { font-size: 0.8rem; color: var(--tfq-muted); margin-top: 16px; }

/* Style WordPress's login form inside our card */
.tfq-login-card .login-username,
.tfq-login-card .login-password { margin-bottom: 14px; text-align: left; }
.tfq-login-card .login-username label,
.tfq-login-card .login-password label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--tfq-muted);
    display: block;
    margin-bottom: 6px;
}
.tfq-login-card input[type="text"],
.tfq-login-card input[type="password"] {
    width: 100%;
    background: var(--tfq-dark);
    border: 1.5px solid rgba(201,168,76,0.25);
    border-radius: 8px;
    padding: 12px 14px;
    color: var(--tfq-white);
    font-size: 0.95rem;
    box-sizing: border-box;
    outline: none;
}
.tfq-login-card input[type="text"]:focus,
.tfq-login-card input[type="password"]:focus { border-color: var(--tfq-gold); }
.tfq-login-card .login-remember { display: none; }
.tfq-login-card input[type="submit"],
.tfq-login-card #tfq-login-submit {
    width: 100%;
    background: var(--tfq-gold);
    color: #0a0f1e;
    font-weight: 700;
    font-size: 1rem;
    padding: 13px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    margin-top: 6px;
    transition: background 0.2s;
}
.tfq-login-card input[type="submit"]:hover { background: var(--tfq-gold-lt); }

/* ── Results: filter bar ─────────────────────────── */
.tfq-fe-filter-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    background: var(--tfq-card);
    border: 1px solid rgba(255,255,255,0.07);
    border-radius: var(--tfq-radius);
    padding: 14px 18px;
    margin-bottom: 20px;
    font-size: 0.85rem;
    color: var(--tfq-muted);
}
.tfq-fe-filter-select-wrap select {
    background: var(--tfq-card2);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 6px;
    padding: 8px 12px;
    color: var(--tfq-white);
    font-size: 0.85rem;
    outline: none;
}

/* ── Results: stats ──────────────────────────────── */
.tfq-fe-stats {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}
.tfq-fe-stat {
    flex: 1;
    min-width: 100px;
    background: var(--tfq-card);
    border: 1px solid rgba(201,168,76,0.15);
    border-radius: var(--tfq-radius);
    padding: 16px;
    text-align: center;
}
.tfq-fe-stat-num { display: block; font-size: 1.8rem; font-weight: 800; color: var(--tfq-gold); }
.tfq-fe-stat-lbl { font-size: 0.78rem; color: var(--tfq-muted); }

/* ── Results: table ──────────────────────────────── */
.tfq-fe-table-wrap { overflow-x: auto; border-radius: var(--tfq-radius); }
.tfq-fe-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
    background: var(--tfq-card);
    min-width: 480px; /* allows horizontal scroll on very small screens */
}
.tfq-fe-table th {
    background: var(--tfq-card2);
    color: var(--tfq-muted);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 12px 14px;
    text-align: left;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    white-space: nowrap;
}
.tfq-fe-table td {
    padding: 11px 14px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    color: var(--tfq-white);
    vertical-align: middle;
}
.tfq-fe-table tr:last-child td { border-bottom: none; }
.tfq-fe-table tr:hover td { background: rgba(255,255,255,0.02); }
/* Hide date column on very small screens */
@media (max-width: 480px) {
    .tfq-fe-date { display: none; }
}
.tfq-fe-prog {
    position: relative;
    height: 20px;
    background: rgba(255,255,255,0.07);
    border-radius: 10px;
    overflow: hidden;
    min-width: 70px;
}
.tfq-fe-prog-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--tfq-gold), var(--tfq-gold-lt));
    border-radius: 10px;
}
.tfq-fe-prog span {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--tfq-dark);
}
.tfq-fe-grade {
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 700;
    white-space: nowrap;
}
.grade-a { background: rgba(34,197,94,0.2);  color: #86efac; }
.grade-b { background: rgba(255,255,255,0.1); color: #ffffff; }
.grade-c { background: rgba(201,168,76,0.2); color: var(--tfq-gold-lt); }
.grade-f { background: rgba(239,68,68,0.2);  color: #fca5a5; }
.tfq-fe-date { color: var(--tfq-muted); font-size: 0.78rem; white-space: nowrap; }

/* ── Desktop ─────────────────────────────────────── */
@media (min-width: 600px) {
    .tfq-hub-body { padding: 28px 28px 64px; }
    .tfq-fe-quiz-row { flex-wrap: nowrap; }
    .tfq-fe-quiz-actions { flex-direction: column; flex-shrink: 0; }
}