/**
 * Naming Practice Widget - Styles
 * 
 * Clean, modern, therapeutic design.
 * Mobile-first, accessible, standalone "fork" widget.
 * 
 * @package Aphasia_Exercises
 * @since 1.0.0
 */

/* =========================================================================
   1. CSS CUSTOM PROPERTIES
   ========================================================================= */

.naming-practice-root {
    --naming-primary: #3b82f6;
    --naming-primary-dark: #2563eb;
    --naming-primary-light: #eff6ff;
    --naming-success: #22c55e;
    --naming-success-dark: #16a34a;
    --naming-success-light: #f0fdf4;
    --naming-error: #ef4444;
    --naming-error-light: #fef2f2;
    --naming-warning: #f59e0b;
    --naming-warning-light: #fffbeb;
    
    /* Cue type colors */
    --naming-semantic: #8b5cf6;
    --naming-semantic-light: #f5f3ff;
    --naming-orthographic: #3b82f6;
    --naming-orthographic-light: #eff6ff;
    --naming-phonemic: #10b981;
    --naming-phonemic-light: #ecfdf5;
    
    /* Neutrals */
    --naming-neutral-50: #f9fafb;
    --naming-neutral-100: #f3f4f6;
    --naming-neutral-200: #e5e7eb;
    --naming-neutral-300: #d1d5db;
    --naming-neutral-400: #9ca3af;
    --naming-neutral-500: #6b7280;
    --naming-neutral-600: #4b5563;
    --naming-neutral-700: #374151;
    --naming-neutral-800: #1f2937;
    
    /* Typography & Layout */
    --naming-font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --naming-radius-full: 9999px;
    --naming-radius-xl: 16px;
    --naming-radius-lg: 12px;
    --naming-radius-md: 8px;
    
    /* Shadows */
    --naming-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --naming-shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --naming-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --naming-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --naming-shadow-overlay: 0 10px 40px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(0, 0, 0, 0.05);
    --naming-shadow-inset: inset 0 2px 4px rgba(0, 0, 0, 0.06);
    
    --naming-transition: 0.2s ease;
}

/* =========================================================================
   2. BASE CONTAINER
   ========================================================================= */

.naming-practice-root {
    font-family: var(--naming-font);
    font-size: 16px;
    line-height: 1.5;
    color: var(--naming-neutral-800);
    max-width: 880px;
    margin: 0 auto;
    padding: 16px;
}

.naming-practice-container {
    background: white;
    border-radius: var(--naming-radius-xl);
    box-shadow: var(--naming-shadow-lg);
    padding: 24px;
    min-height: 400px;
}

/* =========================================================================
   3. HEADER
   ========================================================================= */

.naming-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--naming-neutral-100);
    position: relative;
}

.title-area {
    display: flex;
    align-items: center;
    gap: 10px;
}

.exercise-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--naming-neutral-800);
    margin: 0;
}

.free-badge {
    background: linear-gradient(135deg, var(--naming-success) 0%, var(--naming-success-dark) 100%);
    color: white;
    font-size: 0.65rem;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: var(--naming-radius-full);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: var(--naming-shadow-sm);
}

/* Settings Toggle */
.settings-toggle {
    background: var(--naming-neutral-100);
    border: 1px solid var(--naming-neutral-200);
    width: 60px;
    height: 36px;
    padding: 0;
    border-radius: var(--naming-radius-md);
    font-size: 1rem;
    cursor: pointer;
    transition: var(--naming-transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.settings-toggle:hover {
    background: var(--naming-neutral-200);
    border-color: var(--naming-neutral-300);
}

.settings-toggle.open {
    background: var(--naming-primary);
    border-color: var(--naming-primary);
}


/* =========================================================================
   4. SETTINGS PANEL (Dropdown Overlay)
   ========================================================================= */

.settings-panel {
    position: absolute;
    top: 100%;
    right: 0;
    z-index: 100;
    background: var(--naming-neutral-50);
    border-radius: var(--naming-radius-lg);
    padding: 16px;
    margin-top: 8px;
    border: 1px solid var(--naming-neutral-200);
    box-shadow: var(--naming-shadow-overlay);
    animation: dropdownFadeIn 0.2s ease;
    min-width: 220px;
}

@keyframes dropdownFadeIn {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

.setting-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.setting-row:last-child {
    margin-bottom: 0;
}

.setting-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--naming-neutral-600);
    min-width: 70px;
    flex-shrink: 0;
}

.setting-select-wrapper {
    flex: 1;
}

.setting-select {
    width: 100%;
    padding: 10px 36px 10px 14px;
    border: 1px solid var(--naming-neutral-200);
    border-radius: var(--naming-radius-md);
    font-size: 0.9rem;
    font-weight: 500;
    background: white;
    color: var(--naming-neutral-800);
    cursor: pointer;
    transition: var(--naming-transition);
    min-height: 44px;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6,9 12,15 18,9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 16px;
}

.setting-select:hover {
    border-color: var(--naming-neutral-300);
    background-color: var(--naming-neutral-50);
}

.setting-select:focus {
    outline: none;
    border-color: var(--naming-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
    background-color: white;
}

/* =========================================================================
   5. PROGRESS BAR
   ========================================================================= */

.progress-bar-container {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.progress-bar {
    flex: 1;
    height: 8px;
    background: var(--naming-neutral-100);
    border-radius: var(--naming-radius-full);
    overflow: hidden;
    box-shadow: var(--naming-shadow-inset);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--naming-primary), var(--naming-success));
    border-radius: var(--naming-radius-full);
    transition: width 0.3s ease;
}

.progress-text {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--naming-neutral-700);
    white-space: nowrap;
}

.score-text {
    font-size: 0.75rem;
    color: var(--naming-neutral-500);
    white-space: nowrap;
}

.streak-badge {
    font-size: 0.85rem;
    font-weight: 600;
    color: #ea580c;
    background: #fff7ed;
    padding: 2px 8px;
    border-radius: var(--naming-radius-full);
    animation: streakPop 0.3s ease;
}

@keyframes streakPop {
    0% { transform: scale(0.8); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

/* =========================================================================
   6. IMAGE CONTAINER
   ========================================================================= */

.image-container {
    width: 100%;
    aspect-ratio: 4/3;
    max-height: 400px;
    background: var(--naming-neutral-50);
    border-radius: var(--naming-radius-xl);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    border: 1px solid var(--naming-neutral-100);
}

.naming-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.no-image {
    font-size: 3rem;
    color: var(--naming-neutral-300);
}

/* =========================================================================
   7. HINT SECTION & CUEING HIERARCHY
   ========================================================================= */

.naming-prompt {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--naming-neutral-700);
    text-align: center;
    margin: 0 0 16px 0;
}

.hint-section-wrapper {
    margin-bottom: 12px;
    position: relative;
    z-index: 100;
}

/* Hint Toggle Button - Clean white style */
.hint-toggle-btn {
    position: relative !important;
    width: 100% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    padding: 14px 18px !important;
    background: white !important;
    border: 2px solid #e5e7eb !important;
    border-radius: 12px !important;
    font-size: 0.95rem !important;
    font-weight: 600 !important;
    color: #374151 !important;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
    z-index: 102 !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08) !important;
}

.hint-toggle-btn:hover {
    border-color: #3b82f6 !important;
    background: #f9fafb !important;
}

.hint-toggle-btn.open {
    border-color: #3b82f6 !important;
    border-bottom-left-radius: 0 !important;
    border-bottom-right-radius: 0 !important;
    background: #eff6ff !important;
    border-bottom-color: transparent !important;
}

.hint-toggle-content {
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
}

.section-arrow {
    font-size: 0.8rem !important;
    font-weight: 700 !important;
    color: #6b7280 !important;
    transition: transform 0.2s ease !important;
}

.hint-toggle-btn.open .section-arrow {
    color: #3b82f6 !important;
}

.cue-badge {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    background: #3b82f6 !important;
    color: white !important;
    font-size: 0.7rem !important;
    font-weight: 700 !important;
    padding: 3px 10px !important;
    border-radius: 9999px !important;
    margin-left: 8px !important;
}

/* =========================================================================
   8. CUE HIERARCHY PANEL (Overlay)
   ========================================================================= */

.cue-hierarchy-panel {
    position: absolute !important;
    top: 100% !important;
    left: 0 !important;
    right: 0 !important;
    background: white !important;
    border-radius: 0 0 16px 16px !important;
    padding: 16px !important;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(0, 0, 0, 0.05) !important;
    z-index: 1000 !important;
    animation: slideDown 0.2s ease-out !important;
    border: 2px solid #15803d !important;
    border-top: none !important;
}

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

/* Progress Header: "Cue 3 of 7" + dots */
.cue-progress-header {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    margin-bottom: 12px !important;
    padding-bottom: 12px !important;
    border-bottom: 1px solid #e5e7eb !important;
}

.cue-progress-label {
    font-size: 0.9rem !important;
    font-weight: 600 !important;
    color: #4b5563 !important;
}

.cue-progress-dots {
    display: flex !important;
    gap: 6px !important;
}

.cue-progress-dot {
    width: 10px !important;
    height: 10px !important;
    border-radius: 50% !important;
    background: #d1d5db !important;
    transition: all 0.2s ease !important;
}

.cue-progress-dot.viewed {
    background: #1f2937 !important;
}

.cue-progress-dot.current {
    background: #3b82f6 !important;
    transform: scale(1.3) !important;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2) !important;
}

/* =========================================================================
   9. CUE TAB BAR
   ========================================================================= */

.cue-tab-bar {
    display: flex;
    justify-content: center;
    gap: 4px;
    padding: 8px 4px;
    background: var(--naming-neutral-100);
    border-radius: var(--naming-radius-md);
    margin-bottom: 16px;
}

.cue-tab {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: 40px;
    height: 40px;
    background: white !important;
    border: 2px solid var(--naming-neutral-200);
    border-radius: var(--naming-radius-md);
    font-size: 1.1rem !important;
    cursor: pointer;
    transition: var(--naming-transition);
    flex-shrink: 0;
}

.cue-tab:hover:not(.locked):not(.active) {
    border-color: var(--naming-neutral-400);
    background: var(--naming-neutral-50);
}

/* Viewed/available tabs - light blue background */
.cue-tab.viewed {
    background: #dbeafe;
    border-color: #93c5fd;
}

/* Current active tab - solid blue, scaled up */
.cue-tab.active {
    background: var(--naming-primary);
    border-color: var(--naming-primary);
    transform: scale(1.15);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
    z-index: 2;
}

/* Locked/premium tabs - grayed out */
.cue-tab.locked {
    opacity: 0.6;
    background: var(--naming-neutral-100);
    border-color: var(--naming-neutral-200);
    cursor: pointer;
}


.cue-tab-icon img.emoji,
.cue-tab .cue-tab-icon img {
    width: 24px !important;
    height: 24px !important;
    max-width: 24px !important;
    max-height: 24px !important;
    min-width: 24px !important;
    min-height: 24px !important;
}

/* Active tab inverts emoji (optional - depends on emoji) */
.cue-tab.active .cue-tab-icon {
    /* Emojis don't invert well, so we rely on the blue background */
}

/* Lock badge - small 🔒 in corner */
.cue-tab-lock {
    position: absolute;
    bottom: -4px;
    right: -4px;
    font-size: 0.55rem;
    background: white;
    border-radius: 50%;
    padding: 2px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
    line-height: 1;
}

/* =========================================================================
   10. CUE CARD (Single Card View)
   ========================================================================= */

.cue-card-area {
    margin-bottom: 16px;
}

.cue-card {
    background: white;
    border-radius: var(--naming-radius-lg);
    border: 2px solid var(--naming-neutral-200);
    overflow: hidden;
    animation: fadeIn 0.2s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.98); }
    to { opacity: 1; transform: scale(1); }
}

/* Color-coded borders by cue type */
.cue-card.semantic {
    border-color: var(--naming-semantic);
}

.cue-card.orthographic {
    border-color: var(--naming-orthographic);
}

.cue-card.phonemic {
    border-color: var(--naming-phonemic);
}

/* Card Header - icon + label */
.cue-card-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border-bottom: 1px solid var(--naming-neutral-100);
}

.cue-card.semantic .cue-card-header {
    background: var(--naming-semantic-light);
}

.cue-card.orthographic .cue-card-header {
    background: var(--naming-orthographic-light);
}

.cue-card.phonemic .cue-card-header {
    background: var(--naming-phonemic-light);
}

.cue-card-icon {
    font-size: 1.2rem;
}

.cue-card-label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--naming-neutral-600);
}

/* Card Content */
.cue-card-content {
    padding: 20px 16px;
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--naming-neutral-800);
    text-align: center;
    min-height: 80px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/* First letter display: "G _ _ _ _" */
.cue-card-content.cue-letter-blanks {
    font-family: 'Courier New', Consolas, monospace;
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: 8px;
    color: var(--naming-orthographic);
}

/* Full word reveal */
.cue-card-content.cue-word-reveal {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--naming-primary-dark);
}

/* Definition/sentence text */
.cue-card-content.cue-text {
    font-size: 1rem;
    text-align: left;
    padding: 16px;
}

.cue-card-hint {
    display: block;
    font-size: 0.8rem;
    color: var(--naming-neutral-500);
    margin-bottom: 8px;
    font-style: italic;
}

/* Audio button inside card */
.cue-card-audio-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--naming-primary);
    color: white;
    border: none;
    border-radius: var(--naming-radius-full);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--naming-transition);
    margin-top: 8px;
}

.cue-card-audio-btn:hover:not(:disabled) {
    background: var(--naming-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--naming-shadow-md);
}

.cue-card-audio-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.cue-card-audio-btn.playing {
    background: var(--naming-primary-dark);
}

/* =========================================================================
   11. CUE NAVIGATION (Back + Need More Help)
   ========================================================================= */

.cue-nav-buttons {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    gap: 12px !important;
    padding-top: 16px !important;
    border-top: 1px solid #e5e7eb !important;
}

.cue-nav-btn {
    display: inline-flex !important;
    align-items: center !important;
    gap: 6px !important;
    padding: 12px 20px !important;
    border: none !important;
    border-radius: 9999px !important;
    font-size: 0.95rem !important;
    font-weight: 600 !important;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
}

.cue-nav-btn.back {
    background: #f3f4f6 !important;
    color: #4b5563 !important;
}

.cue-nav-btn.back:hover:not(:disabled) {
    background: #e5e7eb !important;
}

.cue-nav-btn.back:disabled {
    opacity: 0.4 !important;
    cursor: not-allowed !important;
}

.cue-nav-btn.next {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%) !important;
    color: white !important;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3) !important;
}

.cue-nav-btn.next:hover:not(:disabled) {
    transform: translateY(-2px) !important;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4) !important;
}

.cue-nav-btn.next:disabled {
    opacity: 0.5 !important;
    cursor: not-allowed !important;
    transform: none !important;
}

/* "All cues viewed" message */
.cue-nav-complete {
    font-size: 0.9rem !important;
    color: #22c55e !important;
    font-weight: 600 !important;
    display: flex !important;
    align-items: center !important;
    gap: 4px !important;
}

/* =========================================================================
   12. SCRABBLE TILES (Word Shape)
   ========================================================================= */

.scrabble-tiles-container {
    padding: 8px 0;
}

.scrabble-tiles {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    justify-content: center;
    margin-bottom: 12px;
}

.scrabble-tile {
    width: 44px;
    height: 48px;
    background: linear-gradient(145deg, #f5e6c8 0%, #e8d4a8 100%);
    border: 2px solid #c9a961;
    border-radius: 6px;
    font-family: 'Georgia', serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: #2c1810;
    cursor: pointer;
    transition: all 0.15s ease;
    box-shadow: 0 3px 6px rgba(0,0,0,0.15), inset 0 1px 0 rgba(255,255,255,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
}

.scrabble-tile:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.2), inset 0 1px 0 rgba(255,255,255,0.5);
}

.scrabble-tile:not(.revealed) {
    color: #a89070;
    font-size: 1.2rem;
}

.scrabble-tile.revealed {
    background: linear-gradient(145deg, #4ade80 0%, #22c55e 100%);
    border-color: #16a34a;
    color: white;
    animation: tileReveal 0.3s ease-out;
}

@keyframes tileReveal {
    0% { transform: rotateY(90deg); }
    100% { transform: rotateY(0deg); }
}

.show-all-btn {
    display: block;
    width: 100%;
    padding: 10px 16px;
    background: var(--naming-neutral-100);
    border: 1px solid var(--naming-neutral-300);
    border-radius: var(--naming-radius-md);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--naming-neutral-600);
    cursor: pointer;
    transition: var(--naming-transition);
}

.show-all-btn:hover {
    background: var(--naming-neutral-200);
    border-color: var(--naming-neutral-400);
}

/* =========================================================================
   13. ANSWER SECTION
   ========================================================================= */

.answer-section-wrapper {
    margin-bottom: 16px;
    position: relative;
    z-index: 10;
}

/* Answer Toggle Button - Clean white style to match hints */
.answer-toggle-btn {
    position: relative !important;
    width: 100% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    padding: 14px 18px !important;
    background: white !important;
    border: 2px solid #e5e7eb !important;
    border-radius: 12px !important;
    font-size: 0.95rem !important;
    font-weight: 600 !important;
    color: #374151 !important;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
    z-index: 12 !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08) !important;
}

.answer-toggle-btn:hover {
    border-color: #22c55e !important;
    background: #f9fafb !important;
}

.answer-toggle-btn.open {
    border-color: #22c55e !important;
    border-bottom-left-radius: 0 !important;
    border-bottom-right-radius: 0 !important;
    background: #f0fdf4 !important;
    border-bottom-color: transparent !important;
}

.answer-toggle-content {
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
}

.answer-panel {
    position: absolute !important;
    top: 100% !important;
    left: 0 !important;
    right: 0 !important;
    z-index: 11 !important;
    background: #f0fdf4 !important;
    border: 2px solid #22c55e !important;
    border-top: none !important;
    border-radius: 0 0 12px 12px !important;
    padding: 20px !important;
    text-align: center !important;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1) !important;
    animation: slideDown 0.2s ease !important;
}

.answer-panel.correct {
    background: var(--naming-success-light);
    border-color: var(--naming-success);
}

.answer-panel.incorrect {
    background: var(--naming-error-light);
    border-color: var(--naming-error);
}

.encouragement-message {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 8px;
    animation: fadeInUp 0.3s ease;
}

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

.answer-word {
    display: block;
    font-size: 1.75rem;
    font-weight: 700;
    color: #166534;
    margin-bottom: 12px;
}

.answer-panel.correct .answer-word { color: #166534; }
.answer-panel.incorrect .answer-word { color: #dc2626; }

.audio-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    background: var(--naming-success) !important;
    border: none;
    border-radius: var(--naming-radius-full) !important;
    color: white;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--naming-transition);
    box-shadow: var(--naming-shadow);
}

.audio-btn:hover {
    background: var(--naming-success-dark);
    box-shadow: var(--naming-shadow-md);
}

.audio-btn.playing {
    background: var(--naming-success-dark);
}

/* =========================================================================
   14. ACTION BUTTONS & MODE TOGGLE
   ========================================================================= */

.action-buttons {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    margin-top: 8px;
    width: 100%;
}

.answer-row {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    justify-content: flex-start;
}

/* Mode Toggle (Self-Check / Type) */
.naming-practice-container .mode-toggle-slider {
    display: inline-flex !important;
    align-items: center !important;
    background: var(--naming-neutral-200) !important;
    border-radius: var(--naming-radius-full) !important;
    padding: 3px !important;
    position: relative !important;
    width: 70px !important;
    min-width: 70px !important;
    height: 32px !important;
    flex-shrink: 0 !important;
    border: none !important;
    box-shadow: var(--naming-shadow-inset) !important;
    cursor: pointer !important;
}

.naming-practice-container .mode-toggle-slider::before {
    content: '' !important;
    position: absolute !important;
    width: 30px !important;
    height: 26px !important;
    background: white !important;
    border-radius: var(--naming-radius-full) !important;
    left: 3px !important;
    top: 3px !important;
    transition: transform 0.2s ease !important;
    box-shadow: var(--naming-shadow) !important;
    z-index: 1 !important;
}

.naming-practice-container .mode-toggle-slider.type-active::before {
    transform: translateX(34px) !important;
}

.naming-practice-container .mode-toggle-label {
    width: 32px !important;
    height: 26px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 0.65rem !important;
    color: var(--naming-neutral-400) !important;
    position: relative !important;
    z-index: 2 !important;
    transition: color 0.2s ease !important;
}

.naming-practice-container .mode-toggle-label.active {
    color: var(--naming-primary) !important;
}

/* Self-Assess Buttons */
.self-assess-buttons {
    display: flex;
    gap: 8px;
    flex: 1;
    justify-content: flex-start;
}

.assess-btn {
    flex: 1;
    padding: 12px 16px;
    border: none;
    border-radius: var(--naming-radius-full);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--naming-transition);
    white-space: nowrap;
    text-align: center;
}

.assess-btn.correct {
    background: linear-gradient(135deg, var(--naming-success) 0%, var(--naming-success-dark) 100%);
    color: white;
    box-shadow: var(--naming-shadow);
}

.assess-btn.correct:hover {
    transform: translateY(-2px);
    box-shadow: var(--naming-shadow-md);
}

.assess-btn.incorrect {
    background: white;
    border: 2px solid var(--naming-neutral-200);
    color: var(--naming-neutral-600);
    box-shadow: var(--naming-shadow-sm);
}

.assess-btn.incorrect:hover {
    border-color: var(--naming-error);
    color: var(--naming-error);
    background: var(--naming-error-light);
}

/* =========================================================================
   15. TYPE ANSWER FORM
   ========================================================================= */

.type-answer-form {
    display: flex;
    gap: 8px;
    flex: 1;
}

.answer-input {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid var(--naming-neutral-200);
    border-radius: var(--naming-radius-full);
    font-size: 1rem;
    font-family: var(--naming-font);
    transition: var(--naming-transition);
    min-width: 0;
    background: white;
}

.answer-input:focus {
    outline: none;
    border-color: var(--naming-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.submit-btn {
    padding: 12px 24px;
    background: var(--naming-primary);
    border: none;
    border-radius: var(--naming-radius-full);
    color: white;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--naming-transition);
    white-space: nowrap;
    box-shadow: var(--naming-shadow);
    flex-shrink: 0;
}

.submit-btn:hover {
    background: var(--naming-primary-dark);
    box-shadow: var(--naming-shadow-md);
}

.submit-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.next-btn {
    width: 100%;
    padding: 14px 24px;
    background: var(--naming-primary);
    border: none;
    border-radius: var(--naming-radius-full);
    color: white;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--naming-transition);
    margin-top: 12px;
    box-shadow: var(--naming-shadow);
}

.next-btn:hover {
    background: var(--naming-primary-dark);
    box-shadow: var(--naming-shadow-md);
}

/* =========================================================================
   16. LOADING & ERROR STATES
   ========================================================================= */

.naming-loading,
.naming-error {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    text-align: center;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--naming-neutral-200);
    border-top-color: var(--naming-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 12px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.naming-error p {
    color: var(--naming-error);
    margin-bottom: 16px;
}

.retry-btn {
    padding: 12px 24px;
    background: var(--naming-primary);
    border: none;
    border-radius: var(--naming-radius-full);
    color: white;
    font-weight: 600;
    cursor: pointer;
    box-shadow: var(--naming-shadow);
    transition: var(--naming-transition);
}

.retry-btn:hover {
    background: var(--naming-primary-dark);
    box-shadow: var(--naming-shadow-md);
}

/* =========================================================================
   17. COMPLETE SCREEN
   ========================================================================= */

.naming-complete-screen {
    text-align: center;
    padding: 20px 0;
}

.celebration {
    font-size: 3.5rem;
    margin-bottom: 12px;
    animation: bounce 0.5s ease;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

.naming-complete-screen h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--naming-neutral-800);
    margin: 0 0 24px 0;
}

.session-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 24px;
}

.stat {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--naming-primary);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--naming-neutral-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.encouragement {
    font-size: 1.1rem;
    color: var(--naming-neutral-600);
    margin-bottom: 28px;
}

.upgrade-cta {
    background: var(--naming-warning-light);
    border: 1px solid #fcd34d;
    border-radius: var(--naming-radius-xl);
    padding: 20px;
    margin-bottom: 24px;
}

.upgrade-cta p {
    font-size: 0.9rem;
    color: #92400e;
    margin: 0 0 14px 0;
}

.upgrade-btn {
    display: inline-block;
    padding: 12px 28px;
    background: linear-gradient(135deg, var(--naming-warning) 0%, #d97706 100%);
    color: white;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--naming-radius-full);
    transition: var(--naming-transition);
    box-shadow: var(--naming-shadow);
}

.upgrade-btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--naming-shadow-md);
}

.restart-btn {
    padding: 14px 36px;
    background: var(--naming-primary);
    border: none;
    border-radius: var(--naming-radius-full);
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--naming-transition);
    box-shadow: var(--naming-shadow);
}

.restart-btn:hover {
    background: var(--naming-primary-dark);
    box-shadow: var(--naming-shadow-md);
}

/* =========================================================================
   18. LOGIN PROMPT
   ========================================================================= */

.login-prompt-overlay {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 40px 24px;
    min-height: 350px;
}

.login-prompt-icon {
    font-size: 3.5rem;
    margin-bottom: 16px;
    animation: gentleBounce 2s ease-in-out infinite;
}

@keyframes gentleBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.login-prompt-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--naming-neutral-800);
    margin: 0 0 12px 0;
}

.login-prompt-description {
    font-size: 1rem;
    color: var(--naming-neutral-600);
    max-width: 320px;
    margin: 0 0 20px 0;
    line-height: 1.5;
}

.login-prompt-benefits {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px 20px;
    margin-bottom: 28px;
}

.login-prompt-benefits span {
    font-size: 0.9rem;
    color: var(--naming-success-dark);
    font-weight: 500;
}

.login-prompt-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 100%;
    max-width: 280px;
}

.login-prompt-btn {
    display: block;
    padding: 14px 28px;
    border-radius: var(--naming-radius-full);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    transition: var(--naming-transition);
    cursor: pointer;
}

.login-prompt-btn.primary {
    background: linear-gradient(135deg, var(--naming-success) 0%, var(--naming-success-dark) 100%);
    color: white;
    box-shadow: 0 4px 6px -1px rgba(34, 197, 94, 0.3);
}

.login-prompt-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px -2px rgba(34, 197, 94, 0.4);
}

.login-prompt-btn.secondary {
    background: white;
    color: var(--naming-neutral-600);
    border: 2px solid var(--naming-neutral-200);
    font-size: 0.9rem;
    padding: 12px 24px;
}

.login-prompt-btn.secondary:hover {
    border-color: var(--naming-primary);
    color: var(--naming-primary);
    background: var(--naming-primary-light);
}

/* =========================================================================
   19. SENTENCE HINT DISPLAY
   ========================================================================= */

.sentence-hint-display {
    display: flex;
    align-items: center;
    gap: 12px;
    background: white;
    border: 1px solid var(--naming-neutral-200);
    border-radius: var(--naming-radius-lg);
    padding: 12px 16px;
    margin-top: 8px;
    font-size: 0.95rem;
    font-style: italic;
    color: var(--naming-neutral-700);
    line-height: 1.5;
}

.sentence-text {
    flex: 1;
}

.sentence-audio-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    min-width: 36px;
    padding: 0;
    background: var(--naming-success);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--naming-transition);
    flex-shrink: 0;
}

.sentence-audio-btn:hover {
    background: var(--naming-success-dark);
    transform: scale(1.05);
}

.sentence-audio-btn.playing {
    background: var(--naming-success-dark);
}

.sentence-audio-btn:disabled {
    cursor: not-allowed;
}

/* =========================================================================
   20. RESPONSIVE (Mobile)
   ========================================================================= */

@media (max-width: 480px) {
    .naming-practice-root {
        padding: 10px;
    }
    
    .naming-practice-container {
        padding: 16px;
        border-radius: var(--naming-radius-lg);
    }
    
    .exercise-title {
        font-size: 1.1rem;
    }
    
    .setting-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .setting-label {
        min-width: auto;
    }
    
    .assess-btn {
        padding: 10px 14px;
        font-size: 0.85rem;
    }
    
    .session-stats {
        gap: 24px;
    }
    
    .stat-value {
        font-size: 1.75rem;
    }
    
    /* Mobile bottom sheet for cue panel */
    .cue-hierarchy-panel {
        position: fixed !important;
        bottom: 0 !important;
        left: 0 !important;
        right: 0 !important;
        top: auto !important;
        border-radius: var(--naming-radius-xl) var(--naming-radius-xl) 0 0 !important;
        border: 2px solid #15803d !important;
        border-bottom: none !important;
        max-height: 75vh;
        overflow-y: auto;
        animation: slideUp 0.25s ease-out !important;
        padding-bottom: 24px;
    }
    
    @keyframes slideUp {
        from { opacity: 0; transform: translateY(100%); }
        to { opacity: 1; transform: translateY(0); }
    }
    
.cue-tab-bar {
        display: flex !important;
        flex-wrap: wrap !important;
        justify-content: center !important;
        gap: 8px !important;
        padding: 10px 8px !important;
    }
    
    .cue-tab {
        width: 44px !important;
        height: 44px !important;
        font-size: 1.1rem !important;
        flex-shrink: 0 !important;
    }
    
    .cue-tab.active {
        transform: scale(1.1);
    }
    
    .cue-tab-lock {
        font-size: 0.5rem;
        bottom: -3px;
        right: -3px;
    }
    
    .cue-card-content.cue-letter-blanks {
        font-size: 1.5rem;
        letter-spacing: 6px;
    }
    
    .scrabble-tile {
        width: 36px;
        height: 40px;
        font-size: 1.2rem;
    }
    
    .cue-nav-btn {
        padding: 10px 14px;
        font-size: 0.85rem;
    }
    
    .login-prompt-overlay {
        padding: 30px 16px;
    }
    
    .login-prompt-title {
        font-size: 1.3rem;
    }
    
    .login-prompt-benefits {
        flex-direction: column;
        gap: 8px;
    }
}

/* =========================================================================
   21. ACCESSIBILITY
   ========================================================================= */

.settings-toggle:focus,
.hint-toggle-btn:focus,
.answer-toggle-btn:focus,
.cue-tab:focus,
.cue-nav-btn:focus,
.cue-card-audio-btn:focus,
.assess-btn:focus,
.submit-btn:focus,
.next-btn:focus,
.audio-btn:focus,
.restart-btn:focus,
.retry-btn:focus,
.setting-select:focus,
.scrabble-tile:focus,
.show-all-btn:focus {
    outline: 3px solid var(--naming-primary);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    .loading-spinner,
    .celebration,
    .streak-badge,
    .login-prompt-icon {
        animation: none;
    }
    
    .assess-btn:hover,
    .upgrade-btn:hover,
    .submit-btn:hover,
    .next-btn:hover,
    .cue-nav-btn:hover,
    .scrabble-tile:hover {
        transform: none;
    }
    
    .naming-practice-container .mode-toggle-slider::before {
        transition: none;
    }
    
    .cue-hierarchy-panel,
    .settings-panel,
    .answer-panel {
        animation: none;
    }
}