/* ============================================================ */
/* SIMPLESOLVED - REVAMPED DARK MODE STYLESHEET                 */
/* Scoped exclusively to [data-theme="dark"]                    */
/* ============================================================ */

html[data-theme="dark"] {
    color-scheme: dark;
}

html[data-theme="dark"],
html[data-theme="dark"] body {
    background-color: #090d16 !important;
    background-image: 
        radial-gradient(at 0% 0%, rgba(30, 58, 138, 0.15) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(88, 28, 135, 0.12) 0px, transparent 50%) !important;
    background-attachment: fixed !important;
    color: #e2e8f0 !important;
}

/* ============================================================ */
/* NAVBAR & HEADER                                              */
/* ============================================================ */
html[data-theme="dark"] .navbar {
    background: rgba(11, 15, 25, 0.88) !important;
    backdrop-filter: blur(12px) !important;
    -webkit-backdrop-filter: blur(12px) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08) !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4) !important;
}

html[data-theme="dark"] .logo {
    color: #f8fafc !important;
}

html[data-theme="dark"] .logo span {
    color: #38bdf8 !important;
}

html[data-theme="dark"] .badge {
    background: #1e293b !important;
    color: #94a3b8 !important;
    border: 1px solid #334155 !important;
}

html[data-theme="dark"] .nav-action-btn {
    background: #1e293b !important;
    border: 1px solid #334155 !important;
    color: #f1f5f9 !important;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25) !important;
}

html[data-theme="dark"] .nav-action-btn:hover {
    background: #283548 !important;
    border-color: #475569 !important;
    color: #38bdf8 !important;
}

html[data-theme="dark"] .shortcut-pill {
    background: #0f172a !important;
    border-color: #334155 !important;
    color: #94a3b8 !important;
}

/* Theme Toggle Button Specifics */
.theme-toggle-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.42rem 0.85rem;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    border-radius: 9999px;
    transition: all 0.2s ease;
}

.theme-toggle-pill {
    cursor: pointer;
    user-select: none;
    border: 1px solid #3b82f6 !important;
    background: rgba(37, 99, 235, 0.08) !important;
    color: #2563eb !important;
    font-weight: 700 !important;
    transition: all 0.2s ease;
}

html[data-theme="dark"] .theme-toggle-pill {
    background: rgba(56, 189, 248, 0.12) !important;
    border-color: #38bdf8 !important;
    color: #38bdf8 !important;
}

.theme-toggle-pill:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

/* ============================================================ */
/* TABS NAVIGATION                                              */
/* ============================================================ */
html[data-theme="dark"] .tabs-nav-bar {
    background: rgba(15, 23, 42, 0.8) !important;
    border-bottom: 1px solid #1e293b !important;
}

html[data-theme="dark"] .nav-tab {
    color: #94a3b8 !important;
}

html[data-theme="dark"] .nav-tab:hover {
    background: #1e293b !important;
    color: #f8fafc !important;
}

html[data-theme="dark"] .nav-tab.active {
    background: rgba(37, 99, 235, 0.22) !important;
    color: #60a5fa !important;
    border-color: rgba(96, 165, 250, 0.35) !important;
}

/* ============================================================ */
/* HERO SECTION & HEADINGS                                      */
/* ============================================================ */
html[data-theme="dark"] .hero-pill {
    background: #1e293b !important;
    border: 1px solid #334155 !important;
    color: #38bdf8 !important;
}

html[data-theme="dark"] .hero-title {
    color: #f8fafc !important;
}

html[data-theme="dark"] .hero-subtitle {
    color: #94a3b8 !important;
}

html[data-theme="dark"] .gradient-text {
    background: linear-gradient(135deg, #38bdf8 0%, #818cf8 50%, #c084fc 100%) !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
}

/* ============================================================ */
/* SEARCH BAR & AUTOCOMPLETE                                    */
/* ============================================================ */
html[data-theme="dark"] .search-input-wrapper {
    background: #111827 !important;
    border: 1px solid #374151 !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5) !important;
}

html[data-theme="dark"] #global-search-input {
    color: #f8fafc !important;
}

html[data-theme="dark"] #global-search-input::placeholder {
    color: #64748b !important;
}

html[data-theme="dark"] .search-input-wrapper:focus-within {
    border-color: #38bdf8 !important;
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.22), 0 8px 25px rgba(0, 0, 0, 0.6) !important;
}

html[data-theme="dark"] .search-shortcut-hint kbd {
    background: #0f172a !important;
    border-color: #334155 !important;
    color: #cbd5e1 !important;
}

html[data-theme="dark"] .search-results-container {
    background: #111827 !important;
    border: 1px solid #1f2937 !important;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.6) !important;
}

html[data-theme="dark"] .search-results-header {
    background: #0f172a !important;
    border-bottom: 1px solid #1e293b !important;
    color: #94a3b8 !important;
}

html[data-theme="dark"] .btn-close-results {
    background: #1e293b !important;
    border-color: #334155 !important;
    color: #cbd5e1 !important;
}

html[data-theme="dark"] .search-result-item {
    border-bottom: 1px solid #1f2937 !important;
}

html[data-theme="dark"] .search-result-item:hover {
    background: #1e293b !important;
}

html[data-theme="dark"] .search-result-title {
    color: #f8fafc !important;
}

html[data-theme="dark"] .search-result-meta {
    color: #94a3b8 !important;
}

html[data-theme="dark"] .search-result-snippet {
    color: #cbd5e1 !important;
}

html[data-theme="dark"] .feat-pill {
    background: #111827 !important;
    border: 1px solid #1f2937 !important;
    color: #cbd5e1 !important;
}

html[data-theme="dark"] .feat-pill:hover {
    background: #1f2937 !important;
    border-color: #374151 !important;
    color: #f8fafc !important;
}

/* ============================================================ */
/* HOMEPAGE SUBJECT CARDS                                       */
/* ============================================================ */
html[data-theme="dark"] .subject-card-btn {
    background: #111827 !important;
    border: 1px solid #1f2937 !important;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.35) !important;
}

html[data-theme="dark"] .subject-card-btn:hover {
    border-color: rgba(96, 165, 250, 0.45) !important;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.6), 0 0 20px rgba(56, 189, 248, 0.12) !important;
}

html[data-theme="dark"] .card-title {
    color: #f8fafc !important;
}

html[data-theme="dark"] .card-desc {
    color: #94a3b8 !important;
}

html[data-theme="dark"] .card-footer {
    border-top: 1px solid #1f2937 !important;
    color: #94a3b8 !important;
}

html[data-theme="dark"] .subject-card-btn:hover .card-footer {
    color: #38bdf8 !important;
}

/* Card Tags */
html[data-theme="dark"] .card-science .card-tag {
    background: rgba(16, 185, 129, 0.15) !important;
    color: #34d399 !important;
}

html[data-theme="dark"] .card-sst .card-tag {
    background: rgba(245, 158, 11, 0.15) !important;
    color: #fbbf24 !important;
}

html[data-theme="dark"] .card-maths .card-tag {
    background: rgba(139, 92, 246, 0.15) !important;
    color: #a78bfa !important;
}

html[data-theme="dark"] .card-english .card-tag {
    background: rgba(59, 130, 246, 0.15) !important;
    color: #60a5fa !important;
}

html[data-theme="dark"] .card-hindi .card-tag {
    background: rgba(244, 63, 94, 0.15) !important;
    color: #fb7185 !important;
}

/* Creator Banner */
html[data-theme="dark"] .creator-banner {
    background: linear-gradient(135deg, rgba(30, 27, 75, 0.6) 0%, rgba(15, 23, 42, 0.85) 100%) !important;
    border: 1px solid rgba(99, 102, 241, 0.3) !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35) !important;
}

html[data-theme="dark"] .creator-content h4 {
    color: #c7d2fe !important;
}

html[data-theme="dark"] .creator-content p {
    color: #94a3b8 !important;
}

/* ============================================================ */
/* CHAPTER VIEW & CHAPTER BUTTONS                               */
/* ============================================================ */
html[data-theme="dark"] .btn-back {
    background: #1e293b !important;
    border: 1px solid #334155 !important;
    color: #93c5fd !important;
}

html[data-theme="dark"] .btn-back:hover {
    background: #283548 !important;
    color: #ffffff !important;
}

html[data-theme="dark"] .chapter-btn {
    background: #111827 !important;
    border: 1px solid #1f2937 !important;
    color: #f8fafc !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3) !important;
}

html[data-theme="dark"] .chapter-btn:hover {
    background: #1e293b !important;
    border-color: #3b82f6 !important;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.5) !important;
}

html[data-theme="dark"] .branch-card,
html[data-theme="dark"] .sst-part-card {
    background: #111827 !important;
    border: 1px solid #1f2937 !important;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.35) !important;
}

html[data-theme="dark"] .branch-card h3,
html[data-theme="dark"] .sst-part-card h3 {
    color: #f8fafc !important;
}

html[data-theme="dark"] .branch-card p,
html[data-theme="dark"] .sst-part-card p {
    color: #94a3b8 !important;
}

html[data-theme="dark"] .branch-text-wrapper .branch-chap-count {
    color: #94a3b8 !important;
}

html[data-theme="dark"] .branch-badge-pill {
    background: rgba(255, 255, 255, 0.08) !important;
    border: 1px solid rgba(255, 255, 255, 0.15) !important;
}

/* Exercise Tabs / Pills */
html[data-theme="dark"] .exercise-nav-pill,
html[data-theme="dark"] .ex-pill {
    background: #1e293b !important;
    border: 1px solid #334155 !important;
    color: #cbd5e1 !important;
}

html[data-theme="dark"] .exercise-nav-pill.active,
html[data-theme="dark"] .ex-pill.active {
    background: #2563eb !important;
    border-color: #3b82f6 !important;
    color: #ffffff !important;
}

/* ============================================================ */
/* SOLUTIONS STACK & Q&A CARDS (FULL DARK MODE REVAMP)          */
/* ============================================================ */

/* Headings in Chapter & Solution Screens */
html[data-theme="dark"] #final-solution-heading,
html[data-theme="dark"] #chapter-title-heading,
html[data-theme="dark"] .hero-section h1 {
    color: #f8fafc !important;
}

html[data-theme="dark"] .hero-section p {
    color: #94a3b8 !important;
}

/* Exercise Switcher Bar (Tabs between Check Your Understanding, etc.) */
html[data-theme="dark"] .exercise-switcher-bar {
    background: #111827 !important;
    border: 1px solid #1f2937 !important;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4) !important;
}

html[data-theme="dark"] .exercise-switcher-label {
    color: #94a3b8 !important;
}

html[data-theme="dark"] .exercise-pill {
    background: #1e293b !important;
    border: 1px solid #334155 !important;
    color: #cbd5e1 !important;
}

html[data-theme="dark"] .exercise-pill:hover {
    background: #283548 !important;
    border-color: #60a5fa !important;
    color: #f8fafc !important;
}

html[data-theme="dark"] .exercise-pill.active {
    background: #2563eb !important;
    border-color: #3b82f6 !important;
    color: #ffffff !important;
    box-shadow: 0 2px 10px rgba(37, 99, 235, 0.35) !important;
}

html[data-theme="dark"] .exercise-pill-count,
html[data-theme="dark"] .pill-count {
    background: rgba(255, 255, 255, 0.15) !important;
    color: inherit !important;
}

/* 1. Outer Solution Card */
html[data-theme="dark"] .solution-card {
    background: #0f172a !important;
    border: 1px solid #1e293b !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4) !important;
    color: #e2e8f0 !important;
}

html[data-theme="dark"] .solution-card:hover {
    border-color: #334155 !important;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5) !important;
}

/* 2. Question Badge (Q1, Q2, etc.) */
html[data-theme="dark"] .q-badge {
    background: rgba(37, 99, 235, 0.22) !important;
    border: 1px solid rgba(59, 130, 246, 0.45) !important;
    color: #60a5fa !important;
}

/* 3. Question Text Box (Outer & Inner) */
html[data-theme="dark"] .question-text {
    background-color: #111827 !important;
    border: 1px solid #1f2937 !important;
    color: #f1f5f9 !important;
}

html[data-theme="dark"] .question-text p,
html[data-theme="dark"] .question-text li {
    color: #f1f5f9 !important;
}

html[data-theme="dark"] .question-text h2,
html[data-theme="dark"] .question-text h3,
html[data-theme="dark"] .question-text h4 {
    color: #38bdf8 !important;
}

html[data-theme="dark"] .question-text .q-block,
html[data-theme="dark"] .q-block {
    background: transparent !important;
    border: none !important;
    color: #f1f5f9 !important;
    padding: 0 !important;
    margin: 0 !important;
}

html[data-theme="dark"] .q-block h3,
html[data-theme="dark"] .q-block h4 {
    color: #38bdf8 !important;
}

html[data-theme="dark"] .q-block p {
    color: #f1f5f9 !important;
}

/* 4. Answer Text Box (THE CRITICAL DARK MODE FIX) */
html[data-theme="dark"] .answer-text {
    background-color: #111827 !important;
    border-left: 4px solid #10b981 !important;
    color: #cbd5e1 !important;
}

html[data-theme="dark"] .answer-text .a-block,
html[data-theme="dark"] .a-block {
    background: transparent !important;
    border: none !important;
    color: #cbd5e1 !important;
    padding: 0 !important;
    margin: 0 !important;
}

html[data-theme="dark"] .answer-text p,
html[data-theme="dark"] .answer-text li,
html[data-theme="dark"] .answer-text span,
html[data-theme="dark"] .answer-text div,
html[data-theme="dark"] .a-block p,
html[data-theme="dark"] .a-block li {
    color: #cbd5e1 !important;
}

html[data-theme="dark"] .answer-text strong,
html[data-theme="dark"] .answer-text b,
html[data-theme="dark"] .a-block strong,
html[data-theme="dark"] .a-block b {
    color: #f8fafc !important;
    font-weight: 700 !important;
}

html[data-theme="dark"] .answer-text em,
html[data-theme="dark"] .answer-text i,
html[data-theme="dark"] .a-block em,
html[data-theme="dark"] .a-block i {
    color: #93c5fd !important;
}

html[data-theme="dark"] .answer-text h2,
html[data-theme="dark"] .answer-text h3,
html[data-theme="dark"] .answer-text h4,
html[data-theme="dark"] .a-block h2,
html[data-theme="dark"] .a-block h3 {
    color: #34d399 !important;
}

html[data-theme="dark"] .answer-text li::marker,
html[data-theme="dark"] .a-block li::marker {
    color: #10b981 !important;
}

html[data-theme="dark"] .answer-text a {
    color: #38bdf8 !important;
}

/* 5. Hint Box in Dark Mode */
html[data-theme="dark"] .hint-box {
    background-color: rgba(120, 53, 15, 0.25) !important;
    border: 1px solid rgba(245, 158, 11, 0.4) !important;
    border-left: 4px solid #f59e0b !important;
    color: #fde68a !important;
}

html[data-theme="dark"] .hint-box-header {
    color: #fbbf24 !important;
}

html[data-theme="dark"] .hint-box p,
html[data-theme="dark"] .hint-box li,
html[data-theme="dark"] .hint-box strong {
    color: #fef3c7 !important;
}

/* 6. Card Action Buttons */
html[data-theme="dark"] .card-actions-bar {
    border-top: 1px solid #1e293b !important;
    padding-top: 0.75rem !important;
}

html[data-theme="dark"] .btn-toggle-hint {
    background-color: rgba(245, 158, 11, 0.15) !important;
    border-color: rgba(245, 158, 11, 0.4) !important;
    color: #fbbf24 !important;
}

html[data-theme="dark"] .btn-toggle-hint:hover,
html[data-theme="dark"] .btn-toggle-hint.active {
    background-color: rgba(245, 158, 11, 0.3) !important;
    border-color: #f59e0b !important;
    color: #fde047 !important;
}

html[data-theme="dark"] .btn-toggle-solution {
    background-color: #1e293b !important;
    border-color: #334155 !important;
    color: #cbd5e1 !important;
}

html[data-theme="dark"] .btn-toggle-solution:hover,
html[data-theme="dark"] .btn-toggle-solution.active {
    background-color: #2563eb !important;
    border-color: #3b82f6 !important;
    color: #ffffff !important;
}

/* 7. Tables in Dark Mode */
html[data-theme="dark"] .question-text table,
html[data-theme="dark"] .answer-text table,
html[data-theme="dark"] table.ncert-table,
html[data-theme="dark"] table {
    border-collapse: collapse !important;
    border: 1px solid #334155 !important;
    background-color: #0b0f19 !important;
}

html[data-theme="dark"] .question-text th,
html[data-theme="dark"] .answer-text th,
html[data-theme="dark"] table.ncert-table th,
html[data-theme="dark"] th {
    background-color: #1e293b !important;
    color: #f8fafc !important;
    border: 1px solid #334155 !important;
    font-weight: 700 !important;
}

html[data-theme="dark"] .question-text td,
html[data-theme="dark"] .answer-text td,
html[data-theme="dark"] table.ncert-table td,
html[data-theme="dark"] td {
    border: 1px solid #1e293b !important;
    background-color: #0f172a !important;
    color: #cbd5e1 !important;
}

html[data-theme="dark"] tr:nth-child(even) td {
    background-color: rgba(30, 41, 59, 0.35) !important;
}

/* Math & Formulas */
html[data-theme="dark"] .katex {
    color: #f8fafc !important;
}

html[data-theme="dark"] code {
    background: #1e293b !important;
    color: #38bdf8 !important;
    border: 1px solid #334155 !important;
    border-radius: 4px !important;
    padding: 0.15rem 0.4rem !important;
}

/* SVGs & Blueprints */
html[data-theme="dark"] svg text {
    fill: #f1f5f9 !important;
}

/* ============================================================ */
/* LEGAL PAGES, FOOTER & MODALS                                 */
/* ============================================================ */
html[data-theme="dark"] #privacy-view .solution-card,
html[data-theme="dark"] #terms-view .solution-card,
html[data-theme="dark"] #about-view .solution-card,
html[data-theme="dark"] #contact-view .solution-card {
    background: #111827 !important;
    border: 1px solid #1f2937 !important;
    color: #cbd5e1 !important;
}

html[data-theme="dark"] #privacy-view h2,
html[data-theme="dark"] #terms-view h2,
html[data-theme="dark"] #about-view h2,
html[data-theme="dark"] #contact-view h2 {
    color: #f8fafc !important;
}

html[data-theme="dark"] #privacy-view h3,
html[data-theme="dark"] #terms-view h3,
html[data-theme="dark"] #about-view h3 {
    color: #38bdf8 !important;
}

html[data-theme="dark"] #privacy-view .answer-text,
html[data-theme="dark"] #terms-view .answer-text,
html[data-theme="dark"] #about-view .answer-text {
    color: #cbd5e1 !important;
}

html[data-theme="dark"] footer {
    background: #090d16 !important;
    border-top: 1px solid #1f2937 !important;
    color: #64748b !important;
}

html[data-theme="dark"] footer p {
    color: #94a3b8 !important;
}

html[data-theme="dark"] footer a {
    color: #38bdf8 !important;
}

html[data-theme="dark"] #offline-info-modal > div {
    background: #111827 !important;
    border: 1px solid #1f2937 !important;
    border-top: 4px solid #10b981 !important;
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.7) !important;
}

html[data-theme="dark"] #offline-info-modal h3 {
    color: #f8fafc !important;
}

html[data-theme="dark"] #offline-info-modal p {
    color: #cbd5e1 !important;
}

html[data-theme="dark"] #offline-info-modal div[style*="background: #f8fafc"] {
    background: #0f172a !important;
    border-color: #1e293b !important;
    color: #94a3b8 !important;
}

html[data-theme="dark"] #offline-info-modal strong {
    color: #f8fafc !important;
}

html[data-theme="dark"] #back-to-top-btn {
    background: #1e293b !important;
    border: 1px solid #334155 !important;
    color: #38bdf8 !important;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.4) !important;
}

html[data-theme="dark"] #back-to-top-btn:hover {
    background: #2563eb !important;
    color: #ffffff !important;
    border-color: #3b82f6 !important;
}

html[data-theme="dark"] .toast {
    background: #1e293b !important;
    border: 1px solid #334155 !important;
    color: #f8fafc !important;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5) !important;
}


/* Dark Mode for Non-Exercise Cards */
html[data-theme="dark"] .chapter-select-btn.chapter-no-exercises {
    background: rgba(113, 63, 18, 0.15) !important;
    border-color: rgba(234, 179, 8, 0.4) !important;
}

html[data-theme="dark"] .chapter-select-btn.chapter-no-exercises .chap-icon-badge {
    background: rgba(113, 63, 18, 0.3) !important;
    border-color: rgba(234, 179, 8, 0.5) !important;
}

html[data-theme="dark"] .chapter-select-btn.chapter-no-exercises .no-ex-hover-badge {
    background: rgba(113, 63, 18, 0.4) !important;
    border-color: rgba(234, 179, 8, 0.6) !important;
    color: #fde047 !important;
}

html[data-theme="dark"] .theme-toggle-btn,
html[data-theme="dark"] .search-trigger-btn {
    background: #1e293b !important;
    border-color: #334155 !important;
    color: #f1f5f9 !important;
}
/* Override any legacy inline backgrounds or colors inside questions & answers */
html[data-theme="dark"] .answer-text *[style*="background"],
html[data-theme="dark"] .question-text *[style*="background"] {
    background: transparent !important;
    background-color: transparent !important;
}

html[data-theme="dark"] .answer-text *[style*="color"],
html[data-theme="dark"] .question-text *[style*="color"] {
    color: inherit !important;
}