/* App-Specific Components - Fluent Up Application
 * Components that are unique to this application and not part of Bootstrap
 * These use CSS variables from bootstrap-theme.css for easy theming
 */

/* ============================================
   Play and Record Buttons
   ============================================ */

.btn-play {
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10%;
    margin-left: auto;
    margin-right: auto;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    background: rgba(var(--bs-success-rgb), 0.95);
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    min-width: 60px; /* Minimum touch target size */
    min-height: 60px;
    width: 60px;
    height: 60px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    font-size: 1.5rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    cursor: pointer;
    transform: translateZ(0);
    /* Android touch optimization */
    -webkit-tap-highlight-color: rgba(0, 168, 150, 0.3);
    touch-action: manipulation;
}

.btn-play:hover {
    will-change: transform;
}

.btn-play.small {
    display: inline-flex !important;
    min-width: 44px !important; /* Minimum touch target for Android */
    min-height: 44px !important;
    width: 44px !important;
    height: 44px !important;
}

.btn-play.small::before {
    font-size: 0.8rem !important;
}

.btn-play:hover {
    transform: scale(1.05);
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

.btn-play:active {
    transform: scale(0.95);
}

/* Add the volume icon using CSS pseudo-element */
.btn-play::before {
    content: "\f483"; /* Bootstrap Icons volume-up unicode */
    font-family: "bootstrap-icons";
    font-size: 1.5rem;
}

.btn-record {
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10%;
    margin-left: auto;
    margin-right: auto;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    background: rgba(var(--bs-danger-rgb), 0.95);
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    min-width: 60px; /* Minimum touch target size */
    min-height: 60px;
    width: 60px;
    height: 60px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    font-size: 1.5rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    cursor: pointer;
    transform: translateZ(0);
    /* Android touch optimization */
    -webkit-tap-highlight-color: rgba(255, 107, 107, 0.3);
    touch-action: manipulation;
}

.btn-record:hover,
.btn-record.recording {
    will-change: transform;
}

.btn-record:hover {
    transform: scale(1.05);
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

.btn-record:active {
    transform: scale(0.95);
}

/* Add the record icon using CSS pseudo-element */
.btn-record::before {
    content: "\f48D"; /* Bootstrap Icons record unicode */
    font-family: "bootstrap-icons";
    font-size: 1.5rem;
}

/* Hide ::before icon when there's an inner icon element */
.btn-record i {
    font-size: 1.5rem;
}

.btn-record:has(i)::before {
    content: none;
}

/* Pulse animation for recording state */
.btn-record.recording {
    animation: pulse-recording 1.5s ease-in-out infinite;
    background: rgba(var(--bs-danger-rgb), 1);
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    box-shadow: 0 0 0 0 rgba(var(--bs-danger-rgb), 0.7);
}

@keyframes pulse-recording {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(var(--bs-danger-rgb), 0.7);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 0 0 10px rgba(var(--bs-danger-rgb), 0);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(var(--bs-danger-rgb), 0);
    }
}

/* Pulse animation for any recording button */
.recording-pulse {
    animation: pulse-recording 1.5s ease-in-out infinite;
}

/* Toast indicator while speech recognition listens */
.recording-toast {
    position: fixed;
    top: 24px;
    left: 50%;
    transform: translateX(-50%);
    z-index: var(--bs-zindex-toast, 1080);
    background: rgba(var(--bs-danger-rgb), 0.95);
    color: #fff;
    padding: 0.75rem 1.25rem;
    border-radius: 999px;
    border: none;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.2);
}

.recording-toast__icon {
    font-size: 1.25rem;
    animation: recording-toast-pulse 1.2s ease-in-out infinite;
}

.recording-toast__label {
    font-weight: 600;
    letter-spacing: 0.02em;
}

@keyframes recording-toast-pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.6;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

/* ============================================
   Selector Component
   ============================================ */

.selector-item {
    padding: 0.7rem;
    background: rgba(var(--bs-body-bg-rgb), 0.95);
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    border: 1px solid var(--bs-border-color);
    border-radius: var(--bs-border-radius);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    margin-bottom: 6px;
    transform: translateZ(0);
}

.selector-item:hover {
    will-change: transform;
}

.selector-item:hover {
    border-color: var(--bs-primary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* ============================================
   Card Tiles
   ============================================ */

.card-tile{
    background: var(--bs-secondary-bg);
    border: 2px solid transparent;
    border-radius: var(--bs-border-radius);
    transition: background-color 0.2s ease, border-color 0.2s ease;
}


.card-tile:hover {
    background: var(--bs-tertiary-bg);
    border-color: var(--bs-primary);
}

.card-tile i {
    color: var(--bs-primary);
}

/* ============================================
   Coming Soon Card Tiles
   ============================================ */

.card-tile-coming-soon {
    position: relative;
    opacity: 0.85;
    border: 2px dashed var(--bs-warning);
    background: linear-gradient(135deg, var(--bs-secondary-bg) 0%, rgba(var(--bs-warning-rgb), 0.05) 100%);
}

.card-tile-coming-soon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(var(--bs-warning-rgb), 0.1) 100%);
    border-radius: var(--bs-border-radius);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.card-tile-coming-soon:hover {
    opacity: 1;
    border-color: var(--bs-warning);
    border-style: solid;
    transform: translateY(-2px);
    box-shadow: 0 2px 8px rgba(var(--bs-warning-rgb), 0.15);
}

.card-tile-coming-soon:hover::before {
    opacity: 1;
}

.card-tile-coming-soon i {
    color: var(--bs-warning);
    /* Removed expensive filter - use text-shadow if needed for small text effects */
}

.card-tile-coming-soon .small.text-muted {
    color: var(--bs-warning) !important;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 0.5px;
}

/* ============================================
   Range Option Component
   ============================================ */

.range-option {
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    position: relative;
}

.range-option:hover {
    transform: translateY(-8px) scale(1.005);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

.range-option.selected {
    border: 3px solid var(--bs-success);
    box-shadow: 0 0 0 3px rgba(var(--bs-success-rgb), 0.25);
}

.range-option.selected::after {
    content: '✓';
    position: absolute;
    top: 10px;
    right: 10px;
    background: var(--bs-success);
    color: white;
    min-width: 28px; /* Slightly larger for better touch targets */
    min-height: 28px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 14px;
}

/* ============================================
   Feature Card Component
   ============================================ */

.feature-card {
    background: var(--bs-primary-transparent, rgba(0, 52, 89, 0.95));
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    color: white;
    border-radius: var(--bs-border-radius);
    padding: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    will-change: transform;
    transform: translateZ(0);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.1);
    opacity: 0;
    transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.feature-card:hover {
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-card h3,
.feature-card p,
.feature-card .btn {
    position: relative;
    z-index: 1000;
}

.feature-card .btn {
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.feature-card .btn:hover {
    will-change: transform;
}

.feature-card .btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

/* ============================================
   Completion Icon
   ============================================ */

.completion-icon {
    font-size: 4rem;
    color: var(--bs-warning);
    margin-bottom: 1rem;
}

.completion-icon i {
    display: block;
}

/* ============================================
   Progress Container Fixed
   ============================================ */

.progress-container-fixed {
    position: fixed;
    top: 56px; /* Match navbar height - Bootstrap default navbar height */
    left: 0;
    right: 0;
    z-index: 1020; /* Below navbar (1030) but above content */
    background: var(--bs-body-bg);
    padding: 0;
    margin: 0;
}

/* Small devices */
@media (max-width: 768px) {
    .progress-container-fixed {
        top: 50px; /* Match navbar height for small devices */
    }
}

.progress-container-fixed .progress {
    height: 6px;
    --bs-progress-border-radius: 0;
}

/* ============================================
   Narrative Reader
   ============================================ */

/* Sentence container uses Bootstrap utilities: border-start, rounded, p-2, mb-2, active state */
/* Show/hide uses Bootstrap display utilities: d-none, d-block, d-inline */

/* Narrative reader text wrapping - applies to all screen sizes */
[data-sentence-index] {
    min-width: 0; /* Allow flex item to shrink below content size */
    overflow-x: hidden; /* Prevent horizontal overflow */
}

[data-sentence-index] .flex-grow-1 {
    min-width: 0; /* Critical for flex items to allow text wrapping */
    overflow-wrap: break-word;
    word-wrap: break-word; /* Fallback for older Android browsers */
    word-break: normal; /* Use normal to avoid issues on Android, rely on overflow-wrap */
    max-width: 100%;
}

[data-sentence-index] .sentence-target,
[data-sentence-index] .sentence-translation,
[data-sentence-index] .speech-comparison {
    overflow-wrap: break-word;
    word-wrap: break-word; /* Fallback for older Android browsers */
    word-break: normal; /* Use normal to avoid issues on Android, rely on overflow-wrap */
    max-width: 100%;
    min-width: 0; /* Allow shrinking */
}

.sentence-target {
    hyphens: auto; /* May not work on all Android browsers, but safe to include */
    -webkit-hyphens: auto; /* WebKit prefix for better Android support */
    white-space: normal; /* Ensure text wraps */
}

/* Mobile-specific fixes for narrative reader using Bootstrap responsive utilities */
@media (max-width: 768px) {
    /* Ensure text wrapping on mobile */
    [data-sentence-index] .flex-grow-1,
    [data-sentence-index] .sentence-target,
    [data-sentence-index] .sentence-translation,
    [data-sentence-index] .speech-comparison {
        overflow-wrap: break-word;
        word-wrap: break-word; /* Fallback for older Android browsers */
        word-break: normal; /* Use normal to avoid issues on Android, rely on overflow-wrap */
        max-width: 100%;
        min-width: 0;
    }

    .sentence-target {
        hyphens: auto; /* May not work on all Android browsers, but safe to include */
        -webkit-hyphens: auto; /* WebKit prefix for better Android support */
        white-space: normal;
    }

    /* Ensure sentence containers don't overflow */
    [data-sentence-index] {
        max-width: 100%;
        overflow-x: hidden;
    }

    /* Mobile viewport fixes for zoom - Android specific */
    html {
        -webkit-text-size-adjust: 100%;
        -ms-text-size-adjust: 100%;
        text-size-adjust: 100%; /* Standard property */
    }

    /* Android text rendering optimizations */
    body {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        text-rendering: optimizeLegibility;
    }
}

/* Word highlighting classes - kept as semantic classes with Bootstrap-like styling */
.highlighted,
.word-correct,
.word-incorrect,
.word-missing,
.word-extra,
.word-recognized,
.word-not-recognized {
    border-radius: var(--bs-border-radius-sm);
    padding: 0.15rem 0.35rem;
}

.highlighted {
    background-color: rgba(255, 193, 7, 0.3);
}

.word-correct {
    background-color: rgba(var(--bs-success-rgb), 0.2);
    color: var(--bs-success);
}

.word-incorrect,
.word-extra {
    background-color: rgba(var(--bs-danger-rgb), 0.2);
    color: var(--bs-danger);
}

.word-incorrect {
    text-decoration: line-through;
}

.word-missing {
    background-color: rgba(var(--bs-warning-rgb), 0.2);
    color: var(--bs-warning);
}

.word-recognized {
    background-color: rgba(var(--bs-success-rgb), 0.3);
    color: var(--bs-success);
    font-weight: 600;
}

.word-not-recognized {
    background-color: rgba(var(--bs-warning-rgb), 0.25);
    color: var(--bs-warning);
}

/* Vocabulary word tooltip styling - uses Bootstrap variables */
.vocab-word {
    border-bottom: 1px dotted var(--bs-primary);
    cursor: help;
    transition: background-color 0.2s ease, border-bottom-color 0.2s ease;
}

.vocab-word:hover {
    background-color: var(--bs-primary-bg-subtle);
    border-bottom-color: var(--bs-secondary);
}

/* ============================================
   Utility Classes
   ============================================ */

.hidden {
    display: none !important;
}

.card-header{
    border-bottom: none;
}

/* ============================================
   System Diagnostics Widget
   ============================================ */

.system-diagnostics-widget {
    border: 1px solid var(--bs-border-color);
    border-radius: var(--bs-border-radius);
    padding: var(--bs-spacer);
    background: transparent;
}

.system-diagnostics-widget .diagnostic-item {
    border: 1px solid var(--bs-border-color);
    border-radius: var(--bs-border-radius);
    padding: 0.75rem;
    margin-bottom: 0.5rem;
}

.system-diagnostics-widget .diagnostic-item.success {
    background-color: rgba(var(--bs-success-rgb), 0.1);
    border-color: rgba(var(--bs-success-rgb), 0.3);
}

.system-diagnostics-widget .diagnostic-item.error {
    background-color: rgba(var(--bs-danger-rgb), 0.1);
    border-color: rgba(var(--bs-danger-rgb), 0.3);
}

/* Dark mode styles for system diagnostics widget */
[data-bs-theme="dark"] .system-diagnostics-widget {
    background: var(--bs-body-bg);
    border-color: var(--bs-border-color);
}

[data-bs-theme="dark"] .system-diagnostics-widget p,
[data-bs-theme="dark"] .system-diagnostics-widget li {
    color: var(--bs-secondary-color);
}

[data-bs-theme="dark"] .system-diagnostics-widget h6 {
    color: var(--bs-body-color);
}

[data-bs-theme="dark"] .system-diagnostics-widget .diagnostics-checklist li {
    color: var(--bs-body-color);
}

[data-bs-theme="dark"] .system-diagnostics-widget .diagnostic-item {
    background-color: var(--bs-secondary-bg-subtle);
    border-color: var(--bs-border-color);
    color: var(--bs-body-color);
}

[data-bs-theme="dark"] .system-diagnostics-widget .diagnostic-item.success {
    background-color: rgba(var(--bs-success-rgb), 0.15);
    border-color: rgba(var(--bs-success-rgb), 0.4);
    color: var(--bs-body-color);
}

[data-bs-theme="dark"] .system-diagnostics-widget .diagnostic-item.error {
    background-color: rgba(var(--bs-danger-rgb), 0.15);
    border-color: rgba(var(--bs-danger-rgb), 0.4);
    color: var(--bs-body-color);
}

.practiced {
    color: var(--bs-success);
}

.modal-dialog{
    max-width: 90vw; /* Use viewport width instead of height for better Android support */
    max-width: min(90vw, 600px); /* Cap at 600px for larger screens */
}