/* ============================================================
   study-extras.css — shared styles for the 2026 study upgrades:
   smart review (SRS), mistake notebook, map drills, daily
   challenge, weekly goal, saved items, lesson notes, peer stats.
   Uses the global design tokens from style.css.
   ============================================================ */

/* ── Smart Review banner (flashcards dashboard + hub) ─────── */
.srs-banner {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 18px 22px;
    border-radius: 18px;
    border: 1px solid var(--border-glass);
    background: linear-gradient(120deg, rgba(16, 185, 129, 0.10), rgba(52, 211, 153, 0.04));
    margin-bottom: 24px;
}
.srs-banner__icon {
    width: 46px;
    height: 46px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #059669;
    background: rgba(16, 185, 129, 0.14);
    flex-shrink: 0;
}
.srs-banner__body { flex: 1; min-width: 0; }
.srs-banner__title { font-weight: 700; color: var(--text-primary); }
.srs-banner__desc { font-size: 0.85rem; color: var(--text-secondary); margin-top: 2px; }
.srs-banner .btn { flex-shrink: 0; }

.srs-due-chip {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 0.72rem;
    font-weight: 700;
    color: #d97706;
    background: rgba(245, 158, 11, 0.14);
    border-radius: 999px;
    padding: 3px 9px;
}
.srs-next-note {
    margin-top: 10px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ── Mistake notebook ─────────────────────────────────────── */
.mn-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    margin-bottom: 18px;
}
.mn-filter {
    border: 1px solid var(--border-glass);
    background: var(--bg-glass);
    color: var(--text-secondary);
    border-radius: 999px;
    padding: 7px 15px;
    font-size: 0.83rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
}
.mn-filter.is-active {
    background: rgba(16, 185, 129, 0.14);
    color: #059669;
    border-color: rgba(16, 185, 129, 0.35);
}
.mn-list { display: flex; flex-direction: column; gap: 14px; }
.mn-card {
    border: 1px solid var(--border-glass);
    background: var(--bg-surface);
    border-radius: 16px;
    padding: 18px 20px;
}
.mn-card__top {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 8px;
    font-size: 0.75rem;
    color: var(--text-muted);
}
.mn-card__src {
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-radius: 6px;
    padding: 2px 8px;
    background: rgba(59, 130, 246, 0.12);
    color: #2563eb;
}
.mn-card__src--pastpaper { background: rgba(139, 92, 246, 0.12); color: #7c3aed; }
.mn-card__src--geoquiz   { background: rgba(16, 185, 129, 0.12); color: #059669; }
.mn-card__src--mapdrill  { background: rgba(6, 182, 212, 0.12);  color: #0891b2; }
.mn-card__src--academy   { background: rgba(245, 158, 11, 0.14); color: #d97706; }
.mn-card__q { color: var(--text-primary); font-weight: 600; line-height: 1.5; }
.mn-card__meta {
    margin-top: 8px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}
.mn-card__meta .is-wrong { color: #ef4444; }
.mn-card__meta .is-right { color: #059669; }
.mn-card__actions { margin-top: 12px; display: flex; gap: 10px; flex-wrap: wrap; }
.mn-empty {
    text-align: center;
    padding: 70px 20px;
    color: var(--text-secondary);
}
.mn-empty i { font-size: 3.2rem; color: #059669; }
.mn-empty h3 { margin: 14px 0 6px; color: var(--text-primary); }

/* Practice runner */
.mn-practice { max-width: 720px; margin: 0 auto; }
.mn-practice__count { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 12px; }
.mn-practice__q {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.55;
    margin-bottom: 18px;
}
.mn-option {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    text-align: left;
    border: 1.5px solid var(--border-glass);
    background: var(--bg-surface);
    color: var(--text-primary);
    border-radius: 14px;
    padding: 13px 16px;
    margin-bottom: 10px;
    font-size: 0.95rem;
    cursor: pointer;
    transition: border-color 0.15s ease, background 0.15s ease;
}
.mn-option:hover:not(:disabled) { border-color: rgba(16, 185, 129, 0.5); }
.mn-option:disabled { cursor: default; opacity: 0.9; }
.mn-option.is-correct { border-color: #059669; background: rgba(16, 185, 129, 0.12); }
.mn-option.is-wrong   { border-color: #ef4444; background: rgba(239, 68, 68, 0.10); }
.mn-option__letter {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    background: var(--border-glass);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.8rem;
    flex-shrink: 0;
}

/* ── Map drills ───────────────────────────────────────────── */
.md-layout { display: flex; flex-direction: column; gap: 18px; }
.md-prompt {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    flex-wrap: wrap;
    padding: 16px 22px;
    border-radius: 16px;
    border: 1px solid var(--border-glass);
    background: var(--bg-surface);
}
.md-prompt__label { font-size: 0.8rem; color: var(--text-muted); font-weight: 600; }
.md-prompt__target { font-size: 1.35rem; font-weight: 800; color: var(--text-primary); }
.md-prompt__meta { display: flex; gap: 18px; align-items: center; font-size: 0.9rem; color: var(--text-secondary); }
.md-prompt__meta strong { color: var(--text-primary); }
.md-map-wrap {
    position: relative;
    border-radius: 18px;
    border: 1px solid var(--border-glass);
    background: var(--bg-surface);
    overflow: hidden;
    min-height: 320px;
}
.md-map-wrap svg { display: block; width: 100%; height: auto; }
.md-country {
    fill: rgba(148, 163, 184, 0.28);
    stroke: var(--bg-surface);
    stroke-width: 0.5;
    cursor: pointer;
    transition: fill 0.12s ease;
}
.md-country:hover { fill: rgba(16, 185, 129, 0.45); }
.md-country.is-correct { fill: #10B981; }
.md-country.is-wrong { fill: #ef4444; }
.md-country.is-revealed { fill: #f59e0b; }
.md-country.is-disabled { pointer-events: none; }
.md-feedback {
    position: absolute;
    left: 50%;
    bottom: 18px;
    transform: translateX(-50%);
    background: var(--bg-surface);
    border: 1px solid var(--border-glass);
    border-radius: 999px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
    padding: 9px 20px;
    font-weight: 700;
    color: var(--text-primary);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    white-space: nowrap;
    max-width: 92%;
    overflow: hidden;
    text-overflow: ellipsis;
}
.md-feedback.show { opacity: 1; }
.md-config, .md-summary { max-width: 560px; margin: 0 auto; text-align: center; padding: 34px 26px; }
.md-config h2, .md-summary h2 { color: var(--text-primary); margin-bottom: 8px; }
.md-config p, .md-summary p { color: var(--text-secondary); margin-bottom: 22px; }
.md-config__row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 18px; }
.md-config select {
    background: var(--bg-surface);
    color: var(--text-primary);
    border: 1px solid var(--border-glass);
    border-radius: 12px;
    padding: 10px 14px;
    font-size: 0.95rem;
}
.md-summary__score { font-size: 3rem; font-weight: 800; color: #059669; margin: 12px 0; }
.md-summary__btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ── Daily challenge (hub) ────────────────────────────────── */
.daily-card {
    border: 1px solid var(--border-glass);
    border-radius: 18px;
    background: linear-gradient(120deg, rgba(245, 158, 11, 0.10), rgba(16, 185, 129, 0.05));
    padding: 20px 22px;
}
.daily-card__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
}
.daily-card__title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    color: var(--text-primary);
}
.daily-card__title i { color: #d97706; font-size: 1.2rem; }
.daily-card__reward { font-size: 0.78rem; font-weight: 700; color: #d97706; }
.daily-card__q { color: var(--text-primary); font-weight: 600; margin-bottom: 12px; line-height: 1.5; }
.daily-card__flag {
    width: 128px;
    border-radius: 8px;
    border: 1px solid var(--border-glass);
    display: block;
    margin-bottom: 12px;
}
.daily-card__opts { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 8px; }
.daily-card__opt {
    border: 1.5px solid var(--border-glass);
    background: var(--bg-surface);
    color: var(--text-primary);
    border-radius: 12px;
    padding: 10px 12px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: border-color 0.15s ease;
}
.daily-card__opt:hover:not(:disabled) { border-color: rgba(16, 185, 129, 0.5); }
.daily-card__opt:disabled { cursor: default; }
.daily-card__opt.is-correct { border-color: #059669; background: rgba(16, 185, 129, 0.14); }
.daily-card__opt.is-wrong { border-color: #ef4444; background: rgba(239, 68, 68, 0.10); }
.daily-card__done {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    font-weight: 600;
}
.daily-card__done i { color: #059669; font-size: 1.3rem; }

/* ── Weekly goal ──────────────────────────────────────────── */
.goal-card { display: flex; align-items: center; gap: 18px; }
.goal-ring {
    --goal-progress: 0deg;
    width: 74px;
    height: 74px;
    border-radius: 50%;
    background: conic-gradient(#10B981 var(--goal-progress), var(--border-glass) 0deg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.goal-ring__center {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--bg-surface);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 0.72rem;
    color: var(--text-muted);
}
.goal-ring__center strong { font-size: 0.95rem; color: var(--text-primary); }
.goal-card__body { flex: 1; min-width: 0; }
.goal-card__edit {
    border: none;
    background: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1rem;
    padding: 6px;
}
.goal-card__edit:hover { color: var(--text-primary); }

/* ── Focus areas (weak topics) ────────────────────────────── */
.focus-list { display: flex; flex-direction: column; gap: 10px; }
.focus-row {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 16px;
    border: 1px solid var(--border-glass);
    border-radius: 14px;
    background: var(--bg-surface);
    text-decoration: none;
    transition: border-color 0.15s ease;
}
.focus-row:hover { border-color: rgba(16, 185, 129, 0.4); }
.focus-row__name { flex: 1; min-width: 0; font-weight: 600; color: var(--text-primary); font-size: 0.92rem; }
.focus-row__bar {
    flex: 0 0 120px;
    height: 6px;
    border-radius: 999px;
    background: var(--border-glass);
    overflow: hidden;
}
.focus-row__bar span { display: block; height: 100%; border-radius: 999px; background: linear-gradient(90deg, #ef4444, #f59e0b); }
.focus-row__pct { font-weight: 700; font-size: 0.85rem; color: var(--text-secondary); width: 42px; text-align: right; }

/* ── Peer difficulty stats (past-paper review) ────────────── */
.peer-stats {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 14px;
    padding: 7px 14px;
    border-radius: 999px;
    font-size: 0.84rem;
    font-weight: 600;
    background: rgba(59, 130, 246, 0.10);
    color: #2563eb;
    border: 1px solid rgba(59, 130, 246, 0.25);
}
.peer-stats--hard { background: rgba(239, 68, 68, 0.10); color: #dc2626; border-color: rgba(239, 68, 68, 0.25); }
.peer-stats--easy { background: rgba(16, 185, 129, 0.10); color: #059669; border-color: rgba(16, 185, 129, 0.25); }

/* ── Saved items page ─────────────────────────────────────── */
.saved-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; }
.saved-card {
    border: 1px solid var(--border-glass);
    border-radius: 16px;
    background: var(--bg-surface);
    padding: 16px 18px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    position: relative;
}
.saved-card__kind {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    align-self: flex-start;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-radius: 6px;
    padding: 3px 8px;
    background: rgba(16, 185, 129, 0.12);
    color: #059669;
}
.saved-card__kind--lesson   { background: rgba(245, 158, 11, 0.14); color: #d97706; }
.saved-card__kind--question { background: rgba(139, 92, 246, 0.12); color: #7c3aed; }
.saved-card__title { font-weight: 700; color: var(--text-primary); line-height: 1.4; }
.saved-card__title a { color: inherit; text-decoration: none; }
.saved-card__title a:hover { color: #059669; }
.saved-card__sub {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.saved-card__remove {
    position: absolute;
    top: 12px;
    right: 12px;
    border: none;
    background: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1rem;
    padding: 4px;
}
.saved-card__remove:hover { color: #ef4444; }

/* Bookmark toggle button (dictionary modal, lesson topbar) */
.bm-btn.is-saved i { color: #f59e0b; }

/* ── Lesson notes panel ───────────────────────────────────── */
.lesson-notes {
    border: 1px solid var(--border-glass);
    border-radius: 18px;
    background: var(--bg-surface);
    padding: 20px 22px;
    margin-top: 26px;
}
.lesson-notes__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 10px;
}
.lesson-notes__title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    color: var(--text-primary);
}
.lesson-notes__title i { color: #d97706; }
.lesson-notes__status { font-size: 0.78rem; color: var(--text-muted); }
.lesson-notes textarea {
    width: 100%;
    min-height: 120px;
    resize: vertical;
    border: 1px solid var(--border-glass);
    border-radius: 12px;
    background: var(--bg-glass);
    color: var(--text-primary);
    padding: 12px 14px;
    font-size: 0.93rem;
    line-height: 1.6;
    font-family: inherit;
}
.lesson-notes textarea:focus { outline: 2px solid rgba(16, 185, 129, 0.4); }

/* ── Geobek page: attach image ────────────────────────────── */
.chat-attach-btn {
    border: none;
    background: none;
    color: var(--text-muted);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 8px;
    border-radius: 10px;
    flex-shrink: 0;
}
.chat-attach-btn:hover { color: #059669; background: rgba(16, 185, 129, 0.08); }
.chat-img-preview {
    display: none;
    position: relative;
    margin: 0 0 10px;
    max-width: 180px;
}
.chat-img-preview img {
    width: 100%;
    border-radius: 10px;
    border: 1px solid var(--border-glass);
}
.chat-img-preview button {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: none;
    background: #ef4444;
    color: #fff;
    cursor: pointer;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ── Quiz runner: AI tutor answer ─────────────────────────── */
.qf-tutor-answer {
    margin-top: 14px;
    border-top: 1px solid var(--border-glass, rgba(0,0,0,0.08));
    padding-top: 14px;
    max-height: 300px;
    overflow-y: auto;
    font-size: 0.92rem;
    line-height: 1.6;
    color: var(--text-secondary, #475569);
    display: none;
}
.qf-tutor-answer.visible { display: block; }
.qf-tutor-answer p { margin-bottom: 0.6em; }

@media (max-width: 640px) {
    .srs-banner { flex-direction: column; align-items: flex-start; }
    .focus-row__bar { flex-basis: 70px; }
}