/* Custom CSS for Voice Transcriber */

/* Custom CSS Variables */
:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #0dcaf0;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    
    /* Light theme colors */
    --bg-primary: #667eea;
    --bg-secondary: #764ba2;
    --card-bg: rgba(255, 255, 255, 0.95);
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --border-color: #e9ecef;
}

/* Dark theme colors */
[data-theme="dark"] {
    --bg-primary: #1a1a2e;
    --bg-secondary: #16213e;
    --card-bg: rgba(30, 30, 50, 0.95);
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --border-color: #404040;
    
    /* Dark mode specific colors for results */
    --result-bg: rgba(40, 40, 60, 0.95);
    --result-text: #ffffff;
    --result-border: #555555;
    --stream-bg: rgba(35, 45, 35, 0.95);
    --stream-text: #e8f5e8;
    --stream-border: #4a7c59;
}

/* Body and Background */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    min-height: 100vh;
    direction: rtl;
    transition: all 0.3s ease;
}

/* Theme Toggle Button */
.theme-toggle {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    color: white;
    font-size: 1.2rem;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    cursor: pointer;
}

.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

/* Tab Styling */
.nav-tabs {
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 2rem;
}

.nav-tabs .nav-link {
    border: none;
    border-radius: 15px 15px 0 0;
    color: var(--text-secondary);
    font-weight: 600;
    padding: 12px 24px;
    margin-right: 5px;
    transition: all 0.3s ease;
    background: transparent;
}

.nav-tabs .nav-link:hover {
    color: var(--primary-color);
    background: rgba(13, 110, 253, 0.1);
    border-color: transparent;
}

.nav-tabs .nav-link.active {
    color: var(--primary-color);
    background: var(--card-bg);
    border: 2px solid var(--primary-color);
    border-bottom: 2px solid var(--card-bg);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(13, 110, 253, 0.2);
}

.nav-tabs .nav-link i {
    font-size: 1.1rem;
    margin-left: 8px;
}

/* Tab Content Animation */
.tab-content {
    position: relative;
}

.tab-pane {
    transition: all 0.3s ease;
}

.tab-pane.fade {
    opacity: 0;
    transform: translateY(10px);
}

.tab-pane.fade.show {
    opacity: 1;
    transform: translateY(0);
}

/* File Upload Styling */
.input-group {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.input-group .form-control {
    border: none;
    border-radius: 15px 0 0 15px;
    padding: 15px 20px;
    font-size: 1rem;
}

.input-group .btn {
    border-radius: 0 15px 15px 0;
    padding: 15px 24px;
    font-weight: 600;
    border: none;
}

/* Upload Progress */
.upload-progress {
    background: linear-gradient(135deg, #e3f2fd, #bbdefb);
    border-radius: 15px;
    padding: 20px;
    margin: 20px 0;
    border: 2px solid var(--primary-color);
}

/* Stream Result Styling */
#streamResult {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 1rem;
    line-height: 1.8;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
    padding: 20px;
    text-align: justify;
    direction: rtl;
    word-wrap: break-word;
    white-space: pre-wrap;
}

#streamResult.streaming {
    background: linear-gradient(135deg, #e8f5e8, #c8e6c9);
    border-color: var(--success-color);
    animation: streamPulse 2s infinite;
}

#streamResult.paused {
    background: linear-gradient(135deg, #fff3cd, #ffeaa7);
    border-color: #ffc107;
    position: relative;
}

#streamResult.paused::before {
    content: "⏸️ تبدیل متوقف شده";
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background-color: #ffc107;
    color: #000;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    z-index: 10;
}

@keyframes streamPulse {
    0%, 100% { 
        box-shadow: 0 0 0 0 rgba(25, 135, 84, 0.4);
    }
    50% { 
        box-shadow: 0 0 0 10px rgba(25, 135, 84, 0);
    }
}

#streamResult:empty::before {
    content: 'منتظر دریافت متن...';
    color: var(--text-secondary);
    font-style: italic;
}

/* Stream text formatting */
#streamResult .sentence {
    display: inline;
    margin: 0 2px;
}

#streamResult .sentence:not(:last-child)::after {
    content: ' ';
}

/* Stream Controls */
#streamControls {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
}

#streamControls.show {
    opacity: 1;
    transform: translateY(0);
}

/* Stream control buttons styling */
#streamControls .btn {
    border-radius: 25px;
    font-size: 0.9rem;
    padding: 8px 16px;
    margin: 2px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

#streamControls .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

#streamControls .btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

/* Copy and Download buttons styling (always visible) */
#streamCopyBtn, #downloadStreamBtn {
    border-radius: 25px;
    font-size: 0.9rem;
    padding: 8px 16px;
    margin: 2px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

#streamCopyBtn:hover, #downloadStreamBtn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

#streamCopyBtn:active, #downloadStreamBtn:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

/* Custom scrollbar for stream result */
#streamResult::-webkit-scrollbar {
    width: 8px;
}

#streamResult::-webkit-scrollbar-track {
    background: rgba(0,0,0,0.1);
    border-radius: 4px;
}

#streamResult::-webkit-scrollbar-thumb {
    background: rgba(0,0,0,0.3);
    border-radius: 4px;
    transition: background 0.3s ease;
}

#streamResult::-webkit-scrollbar-thumb:hover {
    background: rgba(0,0,0,0.5);
}

/* Firefox scrollbar */
#streamResult {
    scrollbar-width: thin;
    scrollbar-color: rgba(0,0,0,0.3) rgba(0,0,0,0.1);
}

#downloadStreamBtn {
    transition: all 0.3s ease;
}

#downloadStreamBtn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(25, 135, 84, 0.4);
}

#downloadStreamBtn.success-check {
    animation: successCheck 0.5s ease-out;
}

/* Card Styling */
.card {
    border-radius: 20px;
    overflow: hidden;
    backdrop-filter: blur(10px);
    background: var(--card-bg);
    color: var(--text-primary);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

.card-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    border: none;
    position: relative;
}

.card-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 100%);
    pointer-events: none;
}

/* Button Styling */
.btn {
    border-radius: 50px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

/* Action buttons specific styling */
#actionButtons .btn {
    border-radius: 25px;
    font-size: 0.9rem;
    padding: 8px 16px;
    margin: 2px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

#actionButtons .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

#actionButtons .btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-danger {
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
    border: none;
    box-shadow: 0 4px 15px rgba(238, 90, 36, 0.4);
}

.btn-danger:hover {
    background: linear-gradient(135deg, #ee5a24, #ff6b6b);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(238, 90, 36, 0.6);
}

.btn-outline-primary {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transition: all 0.3s ease;
}

.btn-outline-primary:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(13, 110, 253, 0.4);
}

.btn-outline-secondary {
    border-color: var(--secondary-color);
    color: var(--secondary-color);
    transition: all 0.3s ease;
}

.btn-outline-secondary:hover {
    background: var(--secondary-color);
    border-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(108, 117, 125, 0.4);
}

/* Copy Button */
.copy-btn {
    position: absolute;
    top: 10px;
    left: 10px;
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 50%;
    width: 35px;
    height: 35px;
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: all 0.3s ease;
    opacity: 0;
}

.result-container:hover .copy-btn {
    opacity: 1;
}

.copy-btn:hover {
    background: var(--primary-color);
    color: white;
    transform: scale(1.1);
}

/* Dark mode copy button */
[data-theme="dark"] .copy-btn {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

[data-theme="dark"] .copy-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* Form Controls */
.form-select {
    border-radius: 15px;
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
    font-size: 1.1rem;
    padding: 12px 20px;
    background: var(--card-bg);
    color: var(--text-primary);
}

.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
    transform: translateY(-2px);
}

.form-control {
    border-radius: 15px;
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
    font-size: 1rem;
    padding: 15px;
    background: var(--result-bg, var(--card-bg));
    color: var(--result-text, var(--text-primary));
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

/* Progress Bar */
.progress {
    border-radius: 15px;
    background: var(--border-color);
    overflow: hidden;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.1);
}

.progress-bar {
    transition: width 0.3s ease;
    font-weight: 600;
    font-size: 0.9rem;
}

/* Alert Styling */
.alert {
    border-radius: 15px;
    border: none;
    font-weight: 500;
}

.alert-info {
    background: linear-gradient(135deg, #e3f2fd, #bbdefb);
    color: #1565c0;
}

.alert-success {
    background: linear-gradient(135deg, #e8f5e8, #c8e6c9);
    color: #2e7d32;
}

.alert-danger {
    background: linear-gradient(135deg, #ffebee, #ffcdd2);
    color: #c62828;
}

.alert-warning {
    background: linear-gradient(135deg, #fff8e1, #ffecb3);
    color: #ef6c00;
}

/* Dark mode alert overrides */
[data-theme="dark"] .alert-info {
    background: linear-gradient(135deg, #1e3a5f, #2c5aa0);
    color: #ffffff;
}

[data-theme="dark"] .alert-success {
    background: linear-gradient(135deg, #1e4d2b, #2d7d3e);
    color: #ffffff;
}

[data-theme="dark"] .alert-danger {
    background: linear-gradient(135deg, #5d1e1e, #8d2d2d);
    color: #ffffff;
}

[data-theme="dark"] .alert-warning {
    background: linear-gradient(135deg, #5d3e1e, #8d5d2d);
    color: #ffffff;
}

/* Badge Styling */
.badge {
    border-radius: 25px;
    padding: 8px 16px;
    font-size: 1rem;
    font-weight: 600;
}

/* Volume Meter Animation */
@keyframes volumePulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.volume-active {
    animation: volumePulse 0.5s ease-in-out;
}

/* Recording Animation */
@keyframes recordingPulse {
    0% { 
        transform: scale(1);
        box-shadow: 0 4px 15px rgba(238, 90, 36, 0.4);
    }
    50% { 
        transform: scale(1.1);
        box-shadow: 0 6px 25px rgba(238, 90, 36, 0.8);
    }
    100% { 
        transform: scale(1);
        box-shadow: 0 4px 15px rgba(238, 90, 36, 0.4);
    }
}

.recording {
    animation: recordingPulse 2s infinite;
}

/* Quality Indicator */
.quality-indicator {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-left: 8px;
    animation: qualityPulse 2s infinite;
}

@keyframes qualityPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.quality-excellent { background: #28a745; }
.quality-good { background: #ffc107; }
.quality-poor { background: #dc3545; }

/* Modal Styling */
.modal-content {
    border-radius: 20px;
    border: none;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    background: var(--card-bg);
    color: var(--text-primary);
}

.modal-body {
    padding: 2rem;
}

/* Spinner Animation */
.spinner-border {
    width: 3rem;
    height: 3rem;
}

/* Result Container */
.result-container {
    position: relative;
    transition: all 0.3s ease;
}

.result-container:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

/* Result text styling for both themes */
.result-container .form-control {
    background: var(--result-bg, var(--card-bg));
    color: var(--result-text, var(--text-primary));
    border-color: var(--result-border, var(--border-color));
}

/* Stream Result Styling */
#streamResult {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 1rem;
    line-height: 1.8;
    background: var(--stream-bg, linear-gradient(135deg, #f8f9fa, #e9ecef));
    color: var(--stream-text, var(--text-primary));
    border: 2px solid var(--stream-border, var(--border-color));
    transition: all 0.3s ease;
    padding: 20px;
    text-align: justify;
    direction: rtl;
    word-wrap: break-word;
    white-space: pre-wrap;
}

#streamResult.streaming {
    background: var(--stream-bg, linear-gradient(135deg, #e8f5e8, #c8e6c9));
    border-color: var(--stream-border, var(--success-color));
    animation: streamPulse 2s infinite;
}

#streamResult:empty::before {
    content: 'منتظر دریافت متن...';
    color: var(--text-secondary);
    font-style: italic;
}

/* Responsive Design */
@media (max-width: 768px) {
    .card-body {
        padding: 1.5rem;
    }
    
    .btn-lg {
        padding: 0.75rem 2rem;
        font-size: 1rem;
    }
    
    .display-4 {
        font-size: 2.5rem;
    }
    
    .theme-toggle {
        top: 10px;
        left: 10px;
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .nav-tabs .nav-link {
        padding: 10px 16px;
        font-size: 0.9rem;
    }
}

@media (max-width: 576px) {
    .col-sm-12 {
        width: 95%;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .nav-tabs .nav-link {
        padding: 8px 12px;
        font-size: 0.8rem;
    }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--border-color);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: #0056b3;
}

/* Focus States for Accessibility */
.btn:focus,
.form-select:focus,
.form-control:focus {
    outline: none;
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

/* Loading State */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

/* Success State */
.success {
    border-color: var(--success-color);
    background: var(--stream-bg, linear-gradient(135deg, #e8f5e8, #c8e6c9));
    color: var(--stream-text, var(--text-primary));
}

/* Error State */
.error {
    border-color: var(--danger-color);
    background: linear-gradient(135deg, #ffebee, #ffcdd2);
    color: #c62828;
}

/* Fade In Animation */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

/* Shake Animation for Errors */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

.shake {
    animation: shake 0.6s ease-in-out;
}

/* Audio Player Styling */
.audio-player-wrapper {
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 15px;
    padding: 20px;
    transition: all 0.3s ease;
}

.audio-player-wrapper:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 15px rgba(13, 110, 253, 0.2);
}

#mp3AudioPlayer {
    border-radius: 10px;
    background: var(--result-bg, var(--card-bg));
}

.audio-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
}

.audio-controls .btn {
    min-width: 80px;
    font-size: 0.9rem;
    padding: 8px 16px;
}

#audioTime {
    font-family: monospace;
    font-size: 0.9rem;
    padding: 8px 12px;
}

/* Audio player dark mode */
[data-theme="dark"] #mp3AudioPlayer {
    filter: invert(1) hue-rotate(180deg);
}

[data-theme="dark"] .audio-player-wrapper {
    background: var(--result-bg);
    border-color: var(--result-border);
}

/* Streaming Interface Styles */
.streaming {
    border-color: var(--primary-color) !important;
    background: linear-gradient(135deg, #e3f2fd, #bbdefb) !important;
    animation: pulse-glow 2s ease-in-out infinite alternate;
}

@keyframes pulse-glow {
    0% { box-shadow: 0 0 5px rgba(13, 110, 253, 0.3); }
    100% { box-shadow: 0 0 20px rgba(13, 110, 253, 0.6); }
}

#streamControls {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
}

#streamControls.show {
    opacity: 1;
    transform: translateY(0);
}

#streamControls .btn {
    transition: all 0.2s ease;
}

#streamControls .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

#downloadStreamBtn {
    transition: all 0.3s ease;
}

#downloadStreamBtn.fade-in {
    animation: fadeIn 0.5s ease-out;
}

#downloadStreamBtn.success-check {
    animation: successCheck 0.5s ease-out;
}

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

/* Upload Progress Styling */
#uploadProgressContainer {
    transition: all 0.3s ease;
}

#uploadProgress {
    transition: width 0.3s ease;
}

/* Stream Result Styling */
#streamResult {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    white-space: pre-wrap;
    word-wrap: break-word;
}

#streamResult.streaming {
    position: relative;
}

#streamResult.streaming::before {
    content: '🔴';
    position: absolute;
    top: 10px;
    right: 10px;
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0.3; }
}

/* Timestamp Styling */
.timestamp {
    color: var(--primary-color);
    font-weight: 600;
    font-family: monospace;
}

/* Dark theme adjustments for streaming */
[data-theme="dark"] .streaming {
    background: linear-gradient(135deg, #1a237e, #283593) !important;
    color: #e8eaf6;
}

[data-theme="dark"] #streamResult.streaming::before {
    filter: brightness(1.5);
}

/* Audio Sync Indicator */
.sync-indicator {
    position: absolute;
    top: 10px;
    right: 10px;
    background: linear-gradient(135deg, #4caf50, #8bc34a);
    color: white;
    padding: 8px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.3);
    animation: syncPulse 2s ease-in-out;
    z-index: 1000;
}

@keyframes syncPulse {
    0% {
        opacity: 0;
        transform: scale(0.8) translateY(-10px);
    }
    20% {
        opacity: 1;
        transform: scale(1.1) translateY(0);
    }
    80% {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
    100% {
        opacity: 0;
        transform: scale(0.9) translateY(-5px);
    }
}

.sync-indicator i {
    font-size: 1rem;
    animation: syncBroadcast 1s infinite;
}

@keyframes syncBroadcast {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.2);
    }
}

/* Dark theme for sync indicator */
[data-theme="dark"] .sync-indicator {
    background: linear-gradient(135deg, #2e7d32, #66bb6a);
    box-shadow: 0 4px 12px rgba(46, 125, 50, 0.4);
}

/* Stream Text Chunks with Live Highlighting */
.stream-chunk {
    display: inline;
    padding: 2px 4px;
    margin: 0;
    border-radius: 4px;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    white-space: normal;
    word-spacing: normal;
    direction: rtl;
    unicode-bidi: embed;
    word-break: break-word;
    hyphens: auto;
}

.stream-chunk:hover {
    background: rgba(13, 110, 253, 0.15);
    box-shadow: 0 2px 8px rgba(13, 110, 253, 0.25);
    transform: translateY(-1px);
}

.stream-chunk.playing {
    background: linear-gradient(135deg, #28a745, #20c997);
    color: white;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(40, 167, 69, 0.4);
    animation: playingPulse 2s ease-in-out infinite;
    transform: scale(1.02);
    z-index: 2;
    position: relative;
}

.stream-chunk.about-to-play {
    background: linear-gradient(135deg, #ffc107, #ffb300);
    color: #212529;
    font-weight: 500;
    box-shadow: 0 2px 8px rgba(255, 193, 7, 0.3);
    transform: scale(1.01);
    z-index: 1;
    position: relative;
}

.stream-chunk.just-finished {
    background: linear-gradient(135deg, #6c757d, #5a6268);
    color: white;
    opacity: 0.8;
    transform: scale(0.98);
    box-shadow: 0 1px 4px rgba(108, 117, 125, 0.3);
    z-index: 0;
    position: relative;
}

@keyframes playingPulse {
    0%, 100% {
        box-shadow: 0 4px 12px rgba(40, 167, 69, 0.4);
    }
    50% {
        box-shadow: 0 6px 20px rgba(40, 167, 69, 0.6);
    }
}

.stream-chunk.clicked {
    background: linear-gradient(135deg, #4caf50, #8bc34a);
    color: white;
    transform: scale(1.05);
    animation: clickFeedback 1s ease-out;
    z-index: 2;
    position: relative;
    box-shadow: 0 6px 20px rgba(76, 175, 80, 0.6);
}

/* Enhanced click feedback */
.stream-chunk.clicked::after {
    content: '🎵';
    position: absolute;
    top: -20px;
    right: 50%;
    transform: translateX(50%);
    font-size: 16px;
    animation: clickEmoji 1s ease-out;
    pointer-events: none;
}

@keyframes clickEmoji {
    0% {
        opacity: 0;
        transform: translateX(50%) translateY(0);
    }
    50% {
        opacity: 1;
        transform: translateX(50%) translateY(-10px);
    }
    100% {
        opacity: 0;
        transform: translateX(50%) translateY(-20px);
    }
}

@keyframes clickFeedback {
    0% {
        transform: scale(1.05);
        box-shadow: 0 4px 16px rgba(76, 175, 80, 0.6);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 2px 8px rgba(76, 175, 80, 0.3);
    }
}

/* Dark theme adjustments for chunks */
[data-theme="dark"] .stream-chunk:hover {
    background: rgba(144, 202, 249, 0.2);
}

[data-theme="dark"] .stream-chunk.playing {
    background: linear-gradient(135deg, #4caf50, #66bb6a);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.4);
}

[data-theme="dark"] .stream-chunk.about-to-play {
    background: linear-gradient(135deg, #ff9800, #ffb74d);
    color: #212529;
    box-shadow: 0 2px 8px rgba(255, 152, 0, 0.3);
}

[data-theme="dark"] .stream-chunk.just-finished {
    background: linear-gradient(135deg, #9e9e9e, #bdbdbd);
    color: #212529;
    opacity: 0.7;
    box-shadow: 0 1px 4px rgba(158, 158, 158, 0.3);
}

[data-theme="dark"] .stream-chunk.clicked {
    background: linear-gradient(135deg, #388e3c, #43a047);
    color: #ffffff;
}

/* Improved stream result container */
#streamResult {
    line-height: 1.6;
    padding: 15px;
    border-radius: 10px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    word-spacing: normal;
    letter-spacing: normal;
    white-space: normal;
    overflow-wrap: break-word;
    direction: rtl;
    text-align: right;
    unicode-bidi: bidi-override;
}

/* Ensure proper spacing between stream chunks */
#streamResult .stream-chunk + .stream-chunk {
    margin-right: 4px; /* RTL: right margin instead of left */
}

/* Fix extra spacing when chunks wrap to new lines */
#streamResult .stream-chunk {
    word-spacing: normal;
    margin-left: 0; /* RTL: left margin instead of right */
    margin-bottom: 0;
}

/* RTL text flow improvements */
#streamResult {
    text-orientation: mixed;
    writing-mode: horizontal-tb;
}

/* Tab Styling */
.nav-tabs {
    border-bottom: 2px solid var(--border-color);
}

.nav-tabs .nav-link {
    border: none;
    border-bottom: 3px solid transparent;
    color: var(--text-secondary);
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 12px 20px;
}

.nav-tabs .nav-link:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: transparent;
}

.nav-tabs .nav-link.active {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: transparent;
    font-weight: 600;
}

.nav-tabs .nav-link i {
    margin-left: 8px;
    font-size: 1.1em;
}

/* Tab Content Animation */
.tab-pane {
    transition: all 0.3s ease;
}

.tab-pane.fade {
    opacity: 0;
}

.tab-pane.fade.show {
    opacity: 1;
}

/* Scroll Control Buttons */
#autoScrollToggleBtn, #scrollToBottomBtn {
    transition: all 0.3s ease;
    font-size: 0.85rem;
    padding: 8px 12px;
}

#autoScrollToggleBtn:hover, #scrollToBottomBtn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

#autoScrollToggleBtn.btn-primary {
    background: linear-gradient(135deg, #007bff, #0056b3);
    border-color: #0056b3;
}

#autoScrollToggleBtn.btn-outline-primary:hover {
    background: linear-gradient(135deg, #007bff, #0056b3);
    border-color: #0056b3;
}

#scrollToBottomBtn.btn-outline-secondary:hover {
    background: linear-gradient(135deg, #6c757d, #545b62);
    border-color: #545b62;
}

/* Stop Control Buttons */
#stopHighlightingBtn, #emergencyStopBtn {
    transition: all 0.3s ease;
    font-size: 0.85rem;
    padding: 8px 12px;
}

#stopHighlightingBtn:hover, #emergencyStopBtn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

#stopHighlightingBtn.btn-warning {
    background: linear-gradient(135deg, #ffc107, #e0a800);
    border-color: #e0a800;
}

#stopHighlightingBtn.btn-outline-warning:hover {
    background: linear-gradient(135deg, #ffc107, #e0a800);
    border-color: #e0a800;
}

#emergencyStopBtn.btn-danger {
    background: linear-gradient(135deg, #dc3545, #c82333);
    border-color: #c82333;
}

#emergencyStopBtn.btn-outline-danger:hover {
    background: linear-gradient(135deg, #dc3545, #c82333);
    border-color: #c82333;
}

/* Scroll Position Indicator */
.scroll-position-indicator {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(0, 123, 255, 0.9);
    color: white;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
    z-index: 10;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.scroll-position-indicator:hover {
    opacity: 1;
}

/* Auto-scroll disabled state */
.auto-scroll-disabled .stream-chunk.playing {
    background: rgba(255, 193, 7, 0.3) !important;
    border: 1px dashed #ffc107;
}

/* Scroll to bottom button animation */
#scrollToBottomBtn:active {
    transform: scale(0.95);
}

/* Responsive scroll controls */
@media (max-width: 768px) {
    #autoScrollToggleBtn, #scrollToBottomBtn {
        font-size: 0.8rem;
        padding: 6px 10px;
    }
}