/* ==========================================
   COMPONENTS.CSS - Dynamic UI Elements
   ========================================== */

/* --- Accessibility Toolbar --- */
.accessibility-toolbar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.toolbar-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 4px 8px;
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.icon-btn, .size-btn {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: var(--text-on-dark);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s ease;
}

.icon-btn:hover, .size-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: #ffffff;
}

.icon-btn[aria-pressed="true"] {
    background: var(--color-accent);
    color: #000000;
    font-weight: 700;
    border-color: var(--color-accent);
}

.font-scaler-group {
    display: flex;
    align-items: center;
    gap: 4px;
    border-left: 1px solid rgba(255, 255, 255, 0.2);
    padding-left: 8px;
}

.size-indicator {
    font-size: 0.8rem;
    font-weight: 600;
    min-width: 42px;
    text-align: center;
}

/* --- Panchadi Navigation Tabs --- */
.panchadi-nav {
    background-color: var(--bg-nav);
    box-shadow: var(--shadow-md);
}

.nav-tabs {
    display: flex;
    justify-content: center;
    list-style: none;
    max-width: 1200px;
    margin: 0 auto;
    overflow-x: auto;
    scrollbar-width: none;
}

.nav-tabs::-webkit-scrollbar {
    display: none;
}

.nav-tabs li {
    flex: 1;
    min-width: 130px;
    text-align: center;
}

.nav-tabs button {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 4px solid transparent;
    color: #94a3b8;
    padding: 12px 8px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    transition: all 0.2s ease;
    font-family: var(--font-body);
}

.nav-tabs button:hover {
    color: #f8fafc;
    background: rgba(255, 255, 255, 0.05);
}

.nav-tabs button[aria-selected="true"] {
    color: var(--color-accent);
    border-bottom-color: var(--color-accent);
    background: rgba(245, 158, 11, 0.08);
    font-weight: 700;
}

.step-num {
    background: rgba(255, 255, 255, 0.15);
    color: inherit;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    font-size: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

.nav-tabs button[aria-selected="true"] .step-num {
    background: var(--color-accent);
    color: #000000;
}

.step-name {
    font-size: 0.95rem;
    font-weight: 600;
}

.step-desc {
    font-size: 0.75rem;
    opacity: 0.75;
}

/* --- Section Tab Panels --- */
.tab-panel {
    display: block;
    animation: fadeIn 0.3s ease-in-out;
}

.hidden {
    display: none !important;
}

.tab-panel.hidden {
    display: none !important;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* --- Term Explainer Banner --- */
.term-explainer-card {
    background: #eef2ff;
    border: 2px solid #6366f1;
    border-radius: var(--radius-md);
    padding: 1.25rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-md);
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.explainer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.explainer-header h4 {
    color: #3730a3;
    font-size: 1.2rem;
    margin: 0;
}

.close-explainer-btn {
    background: transparent;
    border: 1px solid #6366f1;
    color: #3730a3;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 600;
}

.explainer-eng {
    font-size: 1.05rem;
    color: #1e1b4b;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.explainer-hindi {
    font-size: 0.95rem;
    color: #4c1d95;
    background: #ffffff;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    border-left: 4px solid var(--color-accent);
}

/* --- Cards & UI Containers --- */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.2s ease;
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.75rem;
    margin-bottom: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font-body);
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
}

.btn-primary {
    background-color: var(--color-secondary);
    color: #ffffff;
}

.btn-primary:hover {
    background-color: var(--color-primary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: #e2e8f0;
    color: var(--text-primary);
}

.btn-secondary:hover {
    background-color: #cbd5e1;
}

.btn-secondary.active {
    background-color: var(--color-secondary);
    color: #ffffff;
}

.btn-audio {
    background-color: var(--color-accent);
    color: #000000;
    font-weight: 700;
}

.btn-audio:hover {
    background-color: var(--color-accent-hover);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* --- Hero & Card Styling --- */
.hero-card {
    background: linear-gradient(135deg, #1e1b4b 0%, #4c1d95 100%);
    color: #ffffff;
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-lg);
}

.hero-card h2 {
    color: #ffffff;
    font-size: 2.2rem;
    margin-top: 0.5rem;
}

.hero-badge {
    display: inline-block;
    background: rgba(245, 158, 11, 0.2);
    color: var(--color-accent);
    border: 1px solid var(--color-accent);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
}

.lead-text {
    font-size: 1.2rem;
    line-height: 1.7;
    opacity: 0.95;
    max-width: 800px;
    margin-bottom: 1.5rem;
}

.hook-box {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    margin-top: 1rem;
}

.hook-icon {
    font-size: 2rem;
}

.hook-content h3 {
    color: var(--color-accent);
    font-size: 1.2rem;
    margin-bottom: 0.25rem;
}

.bio-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    align-items: center;
}

.bio-highlights {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.stat-badge {
    background: var(--bg-hover);
    border-left: 4px solid var(--color-secondary);
    padding: 0.75rem 1rem;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.stat-num {
    display: block;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--color-secondary);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.competencies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.c-item {
    background: var(--bg-hover);
    padding: 1rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.c-tag {
    display: inline-block;
    background: var(--color-primary);
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    margin-bottom: 6px;
}

/* --- Step 2: Audio Controller & Poem Reader --- */
.audio-control-bar {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem 1.5rem;
    margin-bottom: 1.5rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    box-shadow: var(--shadow-sm);
}

.audio-main-controls {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.accessible-select {
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    font-family: var(--font-body);
    font-size: 0.9rem;
    background-color: var(--bg-surface);
    color: var(--text-primary);
}

.device-toggle-group {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.toggle-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-right: 4px;
}

.chip-btn {
    background: var(--bg-hover);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 5px 10px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.chip-btn:hover {
    border-color: var(--color-secondary);
}

.chip-btn[aria-pressed="true"] {
    background: var(--color-secondary);
    color: #ffffff;
    border-color: var(--color-secondary);
}

.poem-workspace-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.poem-display-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
}

.poem-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 1.5rem;
}

.form-tag, .iambic-tag {
    background: #e0e7ff;
    color: #3730a3;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
}

.poem-line {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    line-height: 1.8;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-left: 4px solid transparent;
}

.poem-line:hover {
    background-color: var(--bg-hover);
    border-left-color: var(--color-accent);
}

.poem-line.active-reading {
    background-color: var(--reading-active-bg);
    border-left-color: var(--reading-active-border);
    font-weight: 700;
    box-shadow: inset 0 0 0 1px var(--reading-active-border);
}

.line-num {
    font-family: var(--font-body);
    font-size: 0.75rem;
    color: var(--text-muted);
    opacity: 0.6;
    margin-left: 1rem;
    user-select: none;
}

/* Highlights */
.poem-line.hl-octave { background-color: var(--hl-octave); }
.poem-line.hl-sestet { background-color: var(--hl-sestet); }
.poem-line.hl-volta { background-color: var(--hl-volta); font-weight: 700; }
.poem-line.hl-allusion { background-color: var(--hl-allusion); }
.poem-line.hl-personification { background-color: var(--hl-personification); }

/* Drawer */
.annotation-card {
    position: sticky;
    top: 90px;
    height: fit-content;
}

.annotation-badge {
    display: inline-block;
    background: var(--color-secondary);
    color: #ffffff;
    font-size: 0.8rem;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    margin-bottom: 0.5rem;
}

.vocab-box {
    background: #fffbe0;
    border: 1px solid #fef08a;
    padding: 0.75rem;
    border-radius: var(--radius-sm);
    margin: 1rem 0;
}

/* Lab Step */
.lab-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.full-width {
    grid-column: 1 / -1;
}

.volta-interactive-box {
    background: var(--bg-hover);
    padding: 1.5rem;
    border-radius: var(--radius-md);
}

.slider-container {
    margin-bottom: 1.5rem;
}

.accessible-range {
    width: 100%;
    height: 8px;
    border-radius: 4px;
    accent-color: var(--color-secondary);
    cursor: pointer;
    margin-top: 8px;
}

.slider-val {
    font-weight: 700;
    color: var(--color-secondary);
    margin-top: 4px;
}

.volta-feedback {
    background: var(--bg-surface);
    border: 2px solid var(--border-color);
    padding: 1.25rem;
    border-radius: var(--radius-md);
}

.volta-status {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.allusion-comparison-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 1.5rem;
    background: var(--bg-hover);
    padding: 1.5rem;
    border-radius: var(--radius-md);
}

.allusion-col h4 {
    color: var(--color-primary);
    border-bottom: 2px solid var(--color-accent);
    padding-bottom: 4px;
    margin-bottom: 1rem;
}

.arrow-badge {
    background: var(--color-primary);
    color: #ffffff;
    padding: 8px 14px;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 700;
}

/* Practice Activity Tabs (Step 4) */
.practice-tabs-bar {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
    background: var(--bg-hover);
    padding: 12px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.practice-tab-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-surface);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    padding: 10px 18px;
    cursor: pointer;
    font-family: var(--font-body);
    transition: all 0.2s ease;
    flex: 1;
    min-width: 180px;
}

.practice-tab-btn:hover {
    border-color: var(--color-secondary);
    background: #f5f3ff;
}

.practice-tab-btn.active {
    border-color: var(--color-secondary);
    background: #ede9fe;
    box-shadow: 0 2px 8px rgba(76,29,149,0.15);
}

.p-tab-num {
    background: var(--color-secondary);
    color: #ffffff;
    font-size: 1rem;
    font-weight: 800;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.practice-tab-btn.active .p-tab-num {
    background: var(--color-primary);
}

.p-tab-label {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
}

.p-tab-label strong {
    font-size: 0.95rem;
    color: var(--text-primary);
}

.p-tab-label small {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Activity Intro Banners */
.activity-intro-banner {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    border-radius: 10px;
    padding: 1rem 1.5rem;
    margin-bottom: 1.25rem;
}

.banner-icon {
    font-size: 2.5rem;
    line-height: 1;
    flex-shrink: 0;
}

.activity-intro-banner h3 {
    margin: 0 0 4px 0;
    font-size: 1.2rem;
}

.activity-intro-banner p {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.5;
}

.activity-banner-a {
    background: linear-gradient(135deg, #e0e7ff, #f5f3ff);
    border: 1px solid #a5b4fc;
}

.activity-banner-a h3 { color: #3730a3; }
.activity-banner-a p { color: #4c1d95; }

.activity-banner-b {
    background: linear-gradient(135deg, #fefce8, #fffbeb);
    border: 1px solid #fde68a;
}

.activity-banner-b h3 { color: #92400e; }
.activity-banner-b p { color: #b45309; }

.activity-banner-c {
    background: linear-gradient(135deg, #f0fdf4, #dcfce7);
    border: 1px solid #86efac;
}

.activity-banner-c h3 { color: #14532d; }
.activity-banner-c p { color: #166534; }


/* Quiz Wrapper */
.quiz-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.quiz-progress-bar {
    margin-bottom: 1.5rem;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    font-weight: 700;
    margin-bottom: 6px;
}

.progress-track {
    background: var(--border-color);
    height: 10px;
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-fill {
    background: var(--color-accent);
    height: 100%;
    transition: width 0.3s ease;
}

.quiz-options {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin: 1.5rem 0;
}

.quiz-option-btn {
    background: var(--bg-surface);
    border: 2px solid var(--border-color);
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 1rem;
    text-align: left;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 12px;
}

.quiz-option-btn:hover {
    border-color: var(--color-secondary);
    background: var(--bg-hover);
}

.quiz-option-btn.selected {
    border-color: var(--color-secondary);
    background: #e0e7ff;
    font-weight: 600;
}

.quiz-option-btn.correct {
    border-color: #22c55e;
    background: #dcfce7;
    color: #14532d;
    font-weight: 700;
}

.quiz-option-btn.wrong {
    border-color: #ef4444;
    background: #fee2e2;
    color: #7f1d1d;
}

.opt-prefix {
    background: var(--border-color);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
}

.feedback-box {
    padding: 1rem;
    border-radius: var(--radius-md);
    margin-top: 1rem;
}

.feedback-box.correct {
    background: #dcfce7;
    border: 1px solid #86efac;
    color: #14532d;
}

.feedback-box.wrong {
    background: #fee2e2;
    border: 1px solid #fca5a5;
    color: #7f1d1d;
}

/* Reflection Step */
.prasar-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.values-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-top: 1rem;
}

.value-item {
    display: flex;
    gap: 1rem;
    background: var(--bg-hover);
    padding: 1rem;
    border-radius: var(--radius-md);
}

.v-icon {
    font-size: 1.75rem;
}

.v-text h4 {
    margin-bottom: 0.25rem;
    color: var(--color-primary);
}

.accessible-textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--text-primary);
    background: var(--bg-surface);
    resize: vertical;
    margin-top: 0.5rem;
}

.accessible-textarea:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(76, 29, 149, 0.15);
}

.journal-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.save-status-badge {
    font-size: 0.75rem;
    background: #dcfce7;
    color: #14532d;
    padding: 3px 8px;
    border-radius: var(--radius-full);
    font-weight: 600;
}