/* =============================================================================
   AI CHAT WIDGET
   ============================================================================= */

.ai-chat-widget {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 2000;
}

.chat-toggle-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border: none;
    border-radius: var(--tc-radius-xl);
    color: white;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(168, 85, 247, 0.4);
    transition: all 0.3s ease;
}

.chat-toggle-btn:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 12px 32px rgba(168, 85, 247, 0.5);
}

.chat-toggle-btn:active {
    transform: translateY(0) scale(0.98);
}

.chat-icon {
    font-size: 1.5rem;
    line-height: 1;
}

.chat-label {
    font-size: 1rem;
}

.chat-panel {
    position: absolute;
    bottom: 70px;
    right: 0;
    width: 420px;
    height: 600px;
    background: var(--tc-glass-bg);
    backdrop-filter: blur(var(--tc-glass-blur-heavy));
    -webkit-backdrop-filter: blur(var(--tc-glass-blur-heavy));
    border: var(--tc-glass-border);
    border-radius: var(--tc-radius-xl);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Expanded/Fullscreen Mode */
.chat-panel.expanded {
    position: fixed !important;
    top: 50% !important;
    left: 50% !important;
    transform: translate(-50%, -50%) !important;
    bottom: auto !important;
    right: auto !important;
    width: 85vw !important;
    height: 85vh !important;
    max-width: 1100px !important;
    max-height: 850px !important;
    z-index: 3000 !important;
    border: 2px solid var(--primary) !important;
    box-shadow: 0 0 60px rgba(168, 85, 247, 0.4) !important;
}

.chat-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 2999;
    backdrop-filter: blur(4px);
}

/* Chat Header */
.chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
    background: var(--tc-glass-bg-topbar);
    backdrop-filter: blur(var(--tc-glass-blur));
    -webkit-backdrop-filter: blur(var(--tc-glass-blur));
    border-bottom: var(--tc-glass-border);
}

.chat-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text);
}

.chat-logo {
    font-size: 1.5rem;
    line-height: 1;
}

.chat-controls {
    display: flex;
    gap: 0.5rem;
}

.chat-control-btn {
    padding: 0.5rem;
    background: transparent;
    border: var(--tc-glass-border);
    border-radius: var(--tc-radius-sm);
    color: var(--text);
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s;
}

.chat-control-btn:hover {
    background: var(--tc-glass-bg-hover);
    border-color: var(--primary);
}

.chat-control-btn.muted {
    opacity: 0.5;
    color: var(--text-muted);
}

.chat-control-btn.muted:hover {
    opacity: 0.7;
}

/* Chat Messages */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    background: var(--tc-glass-bg-sidebar);
}

.chat-messages::-webkit-scrollbar {
    width: 8px;
}

.chat-messages::-webkit-scrollbar-track {
    background: var(--tc-glass-bg-input);
}

.chat-messages::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 4px;
}

.chat-message {
    margin-bottom: 1rem;
    padding: 0.75rem 1rem;
    border-radius: var(--tc-radius-lg);
    animation: fadeIn 0.3s ease;
}

.chat-message.ai-message {
    background: var(--tc-glass-bg);
    border-left: 3px solid var(--primary);
    margin-right: 2rem;
}

.chat-message.user-message {
    background: var(--tc-glass-bg);
    border-left: 3px solid var(--secondary);
    margin-left: 2rem;
}

.message-label {
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    opacity: 0.8;
}

.message-content {
    font-size: 0.95rem;
    line-height: 1.6;
    white-space: pre-wrap;
    word-break: break-word;
}

.ai-greeting {
    color: var(--primary);
    font-weight: 700;
    font-size: 1.1rem;
}

/* Typing Indicator */
.typing-indicator {
    display: flex;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    margin: 0 1rem 1rem 1rem;
    background: var(--tc-glass-bg);
    border-radius: var(--tc-radius-lg);
    border-left: 3px solid var(--primary);
}

.typing-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary);
    animation: typingBounce 1.4s infinite ease-in-out;
}

.typing-dot:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-dot:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typingBounce {
    0%, 60%, 100% {
        opacity: 0.3;
        transform: translateY(0);
    }
    30% {
        opacity: 1;
        transform: translateY(-8px);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideOutRight {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(100px);
    }
}

/* Chat Input */
.chat-input-container {
    padding: 1rem;
    background: var(--tc-glass-bg-topbar);
    backdrop-filter: blur(var(--tc-glass-blur));
    -webkit-backdrop-filter: blur(var(--tc-glass-blur));
    border-top: var(--tc-glass-border);
    display: flex;
    gap: 0.75rem;
    align-items: flex-end;
}

.chat-input {
    flex: 1;
    padding: 0.75rem;
    background: var(--tc-glass-bg-input);
    border: var(--tc-glass-border);
    border-radius: var(--tc-radius-md);
    color: var(--text);
    font-size: 0.95rem;
    font-family: inherit;
    resize: none;
    max-height: 120px;
    transition: border-color 0.2s;
}

.chat-input:focus {
    outline: none;
    border-color: var(--primary);
}

.chat-send-btn {
    padding: 0.75rem 1.25rem;
    background: var(--primary);
    border: none;
    border-radius: var(--tc-radius-md);
    color: white;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s;
}

.chat-send-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.chat-send-btn:active {
    transform: translateY(0);
}

.send-icon {
    font-size: 1.1rem;
}

/* Chat Footer */
.chat-footer {
    padding: 0.5rem 1rem;
    background: var(--tc-glass-bg-sidebar);
    border-top: var(--tc-glass-border);
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.gpu-status {
    font-family: 'Courier New', monospace;
}

/* Toast Notifications */
.chat-toast {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    pointer-events: auto;
    transition: all 0.3s ease;
}

.chat-toast:hover {
    transform: translateX(-4px);
    box-shadow: 0 6px 16px rgba(0,0,0,0.4);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .ai-chat-widget {
        bottom: 1rem;
        right: 1rem;
    }

    .chat-panel {
        width: calc(100vw - 2rem);
        max-width: 420px;
        height: 500px;
        border-radius: var(--tc-radius-xl);
    }

    .chat-toggle-btn {
        padding: 0.75rem 1.25rem;
        font-size: 0.9rem;
    }

    .chat-label {
        display: none;
    }

    .chat-icon {
        font-size: 1.8rem;
    }

    .chat-panel.expanded {
        width: 95vw !important;
        height: 90vh !important;
    }
    
    .chat-toast {
        right: 10px;
        left: 10px;
        max-width: calc(100vw - 20px);
    }
}

/* Feedback Section */
/* Segments Feedback Section */
.final-video-section {
    margin-bottom: 20px;
}

.segments-feedback-section {
    margin: 20px 0;
    padding: 16px;
    background: var(--tc-glass-bg);
    backdrop-filter: blur(var(--tc-glass-blur));
    -webkit-backdrop-filter: blur(var(--tc-glass-blur));
    border-radius: var(--tc-radius-md);
    border: var(--tc-glass-border);
}

.segments-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.segments-header h3 {
    margin: 0;
    font-size: 1.1rem;
    color: var(--text);
}

.segments-header .hint {
    flex: 1;
    margin: 0 12px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.segments-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 16px;
    margin-top: 16px;
}

.segment-card {
    background: var(--tc-glass-bg-input);
    border: var(--tc-glass-border);
    border-radius: var(--tc-radius-md);
    padding: 12px;
    transition: all 0.2s;
}

.segment-card.flagged {
    border-color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
}

.segment-card.approved {
    border-color: #22c55e;
    background: rgba(34, 197, 94, 0.1);
}

.segment-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

.segment-title {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text);
}

.segment-feedback-btns {
    display: flex;
    gap: 4px;
}

.feedback-btn {
    padding: 4px 8px;
    background: transparent;
    border: var(--tc-glass-border);
    border-radius: var(--tc-radius-sm);
    cursor: pointer;
    transition: all 0.2s;
    font-size: 1.2rem;
}

.feedback-btn:hover {
    transform: scale(1.1);
}

.feedback-btn.thumbs-up {
    color: #94a3b8;
}

.feedback-btn.thumbs-up.active {
    color: #22c55e;
    background: rgba(34, 197, 94, 0.2);
    border-color: #22c55e;
}

.feedback-btn.thumbs-down {
    color: #94a3b8;
}

.feedback-btn.thumbs-down.active {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.2);
    border-color: #ef4444;
}

.segment-video-container {
    width: 100%;
    margin-bottom: 8px;
    border-radius: var(--tc-radius-sm);
    overflow: hidden;
}

.segment-video-container video {
    width: 100%;
    height: auto;
    display: block;
}

.segment-description {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 8px;
    padding: 6px;
    background: var(--tc-glass-bg-input);
    border-radius: var(--tc-radius-sm);
    font-style: italic;
}

.segment-dialogue {
    font-size: 0.75rem;
    color: #a78bfa;
    margin-bottom: 8px;
    padding: 4px 6px;
    background: var(--tc-glass-bg);
    border-left: 2px solid #7c3aed;
    border-radius: 2px;
}

.segment-feedback-comment {
    margin-top: 8px;
    display: none;
}

.segment-feedback-comment.visible {
    display: block;
}

.segment-feedback-comment textarea {
    width: 100%;
    padding: 8px;
    background: var(--tc-glass-bg-input);
    border: var(--tc-glass-border);
    border-radius: var(--tc-radius-sm);
    color: var(--text);
    font-size: 0.8rem;
    resize: vertical;
    min-height: 60px;
}

.segment-feedback-comment button {
    margin-top: 6px;
    padding: 4px 12px;
    font-size: 0.8rem;
}

.feedback-label {
    display: block;
    font-size: 0.75rem;
    color: var(--primary);
    margin-bottom: 6px;
    font-weight: 500;
}

.btn-feedback-save {
    background: var(--primary) !important;
    color: white !important;
    border: none !important;
}

.segment-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.segment-expand-btn {
    background: var(--tc-glass-bg-hover);
    border: 1px solid var(--primary);
    color: var(--primary);
    width: 28px;
    height: 28px;
    border-radius: var(--tc-radius-sm);
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.segment-expand-btn:hover {
    background: var(--primary);
    color: white;
}

.segment-video-container {
    position: relative;
    cursor: pointer;
    border-radius: var(--tc-radius-sm);
    overflow: hidden;
    margin: 8px 0;
}

.segment-video-container video {
    width: 100%;
    height: 140px;
    object-fit: cover;
    background: #000;
}

.segment-play-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    background: var(--tc-glass-bg-active);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 16px;
    transition: opacity 0.2s;
    pointer-events: none;
}

.segment-video-container:hover .segment-play-overlay {
    opacity: 0.8;
}

.segment-info {
    padding: 4px 0;
}

/* Segment Lightbox */
.segment-lightbox {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(var(--tc-glass-blur-light));
    -webkit-backdrop-filter: blur(var(--tc-glass-blur-light));
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.segment-lightbox-content {
    background: var(--tc-glass-bg);
    backdrop-filter: blur(var(--tc-glass-blur-heavy));
    -webkit-backdrop-filter: blur(var(--tc-glass-blur-heavy));
    border: var(--tc-glass-border);
    border-radius: var(--tc-radius-lg);
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
}

.segment-lightbox-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: var(--tc-glass-border);
}

.segment-lightbox-header h3 {
    margin: 0;
    font-size: 1.2rem;
}

.lightbox-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 24px;
    cursor: pointer;
    padding: 4px 8px;
    transition: color 0.2s;
}

.lightbox-close:hover {
    color: var(--text);
}

.segment-lightbox-content video {
    width: 100%;
    max-height: 50vh;
    background: #000;
}

.segment-lightbox-info {
    padding: 16px 20px;
    border-bottom: var(--tc-glass-border);
}

.segment-lightbox-info .segment-description {
    font-size: 0.95rem;
    color: var(--text);
    margin-bottom: 8px;
}

.segment-lightbox-info .segment-dialogue {
    font-style: italic;
    color: var(--text-muted);
}

.segment-lightbox-feedback {
    padding: 16px 20px;
}

.segment-lightbox-feedback h4 {
    margin: 0 0 12px 0;
    font-size: 1rem;
    color: var(--primary);
}

.feedback-btns-large {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
}

.feedback-btn-lg {
    flex: 1;
    padding: 12px 20px;
    border: 2px solid rgba(148,163,184,0.08);
    background: var(--tc-glass-bg-input);
    border-radius: var(--tc-radius-md);
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s;
    color: var(--text);
}

.feedback-btn-lg.thumbs-up:hover,
.feedback-btn-lg.thumbs-up.active {
    border-color: #22c55e;
    background: rgba(34, 197, 94, 0.2);
}

.feedback-btn-lg.thumbs-down:hover,
.feedback-btn-lg.thumbs-down.active {
    border-color: #ef4444;
    background: rgba(239, 68, 68, 0.2);
}

.segment-lightbox-feedback textarea {
    width: 100%;
    padding: 12px;
    background: var(--tc-glass-bg-input);
    border: var(--tc-glass-border);
    border-radius: var(--tc-radius-md);
    color: var(--text);
    font-size: 0.9rem;
    resize: vertical;
    min-height: 80px;
    margin-bottom: 12px;
}

.segment-lightbox-feedback .btn-primary {
    width: 100%;
}

.feedback-section {
    margin-top: 20px;
    padding: 16px;
    background: var(--tc-glass-bg);
    backdrop-filter: blur(var(--tc-glass-blur));
    -webkit-backdrop-filter: blur(var(--tc-glass-blur));
    border-radius: var(--tc-radius-md);
    border: var(--tc-glass-border);
}

.feedback-section h3 {
    font-size: 14px;
    margin-bottom: 8px;
    color: var(--text);
}

.feedback-section .hint {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.feedback-section textarea {
    width: 100%;
    padding: 12px;
    background: var(--tc-glass-bg-input);
    border: var(--tc-glass-border);
    border-radius: var(--tc-radius-sm);
    color: var(--text);
    font-size: 14px;
    resize: vertical;
    min-height: 80px;
}

.feedback-section textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.feedback-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 12px;
}

.feedback-status {
    font-size: 13px;
    color: var(--success);
}

.feedback-status.error {
    color: var(--error);
}

/* =============================================================================
   FOLDER BROWSE ICON BUTTON
   ============================================================================= */

.btn-icon {
    padding: 0.5rem 0.75rem;
    background: var(--tc-glass-bg);
    border: var(--tc-glass-border);
    color: var(--text);
    font-size: 1.2rem;
    line-height: 1;
    cursor: pointer;
    transition: all 0.2s;
    border-radius: var(--tc-radius-sm);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
}

.btn-icon:hover {
    background: var(--tc-glass-bg-hover);
    border-color: var(--primary);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.btn-icon:active {
    transform: translateY(0);
    box-shadow: none;
}

/* =============================================================================
   FILE BROWSER MODAL OVERLAY
   ============================================================================= */

#fileBrowserModal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(var(--tc-glass-blur-light));
    -webkit-backdrop-filter: blur(var(--tc-glass-blur-light));
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3000;
    animation: fadeIn 0.3s ease;
}

.file-browser-content {
    background: var(--tc-glass-bg);
    backdrop-filter: blur(var(--tc-glass-blur-heavy));
    -webkit-backdrop-filter: blur(var(--tc-glass-blur-heavy));
    border: var(--tc-glass-border);
    border-radius: var(--tc-radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    width: 90%;
    max-width: 700px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    animation: slideUpFade 0.3s ease;
}

@keyframes slideUpFade {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    border-bottom: var(--tc-glass-border);
}

.modal-header h3 {
    margin: 0;
    font-size: 1.25rem;
    color: var(--text);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--tc-radius-sm);
    transition: all 0.2s;
}

.modal-close:hover {
    background: var(--tc-glass-bg-hover);
    color: var(--text);
}

.modal-body {
    padding: 1.5rem;
    overflow-y: auto;
    flex: 1;
}

.file-browser-body {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Browse Mode Tabs */
.browse-mode-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    border-bottom: var(--tc-glass-border);
}

.browse-tab {
    flex: 1;
    padding: 0.75rem 1rem;
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.browse-tab:hover {
    color: var(--text);
    background: var(--tc-glass-bg-hover);
}

.browse-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    background: var(--tc-glass-bg);
}

.browse-mode-content {
    animation: fadeIn 0.3s ease;
}

.file-browser-path {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.file-browser-path input {
    flex: 1;
    padding: 0.5rem 0.75rem;
    background: var(--tc-glass-bg-input);
    border: var(--tc-glass-border);
    color: var(--text);
    border-radius: var(--tc-radius-sm);
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
}

.file-browser-list {
    min-height: 300px;
    max-height: 400px;
    overflow-y: auto;
    border: var(--tc-glass-border);
    border-radius: var(--tc-radius-md);
    background: var(--tc-glass-bg-input);
    padding: 0.5rem;
}

.file-browser-list::-webkit-scrollbar {
    width: 8px;
}

.file-browser-list::-webkit-scrollbar-track {
    background: var(--tc-glass-bg-input);
    border-radius: var(--tc-radius-sm);
}

.file-browser-list::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 4px;
}

.file-browser-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    margin-bottom: 0.25rem;
    border-radius: var(--tc-radius-sm);
    cursor: pointer;
    transition: all 0.2s;
    border: 1px solid transparent;
}

.file-browser-item:hover {
    background: var(--tc-glass-bg-hover);
    border-color: var(--primary);
    transform: translateX(4px);
}

.file-browser-item.folder {
    color: var(--text);
}

.file-browser-item .item-icon {
    font-size: 1.3rem;
    line-height: 1;
}

.file-browser-item .item-name {
    flex: 1;
    font-size: 0.95rem;
}

.file-browser-empty,
.file-browser-error {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.file-browser-error {
    color: var(--danger);
}

.loading-spinner {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    border-top: var(--tc-glass-border);
    background: var(--tc-glass-bg-sidebar);
}

.modal-footer .btn {
    padding: 0.6rem 1.25rem;
    border-radius: var(--tc-radius-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.modal-footer .btn-secondary {
    background: var(--tc-glass-bg);
    border: var(--tc-glass-border);
    color: var(--text);
}

.modal-footer .btn-secondary:hover {
    background: var(--tc-glass-bg-hover);
}

.modal-footer .btn-primary {
    background: var(--primary);
    border: 1px solid var(--primary);
    border-radius: var(--tc-radius-sm);
    color: white;
}

.modal-footer .btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(168, 85, 247, 0.4);
}

/* Local Network Path Input UI */
.local-browse-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    text-align: center;
    min-height: 300px;
}

.local-browse-info .info-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.8;
}

.local-browse-info h4 {
    margin: 0 0 0.75rem 0;
    font-size: 1.25rem;
    color: var(--text);
}

.local-browse-info p {
    margin: 0 0 2rem 0;
    color: var(--text-muted);
    font-size: 0.95rem;
    max-width: 500px;
    line-height: 1.5;
}

/* Local Folder Picker */
.local-folder-picker {
    width: 100%;
    max-width: 600px;
    margin-bottom: 2rem;
}

.btn-browse-local {
    width: 100%;
    font-size: 1.1rem;
    padding: 1rem 1.5rem;
    margin-bottom: 1.5rem;
}

.constructed-path {
    background: var(--tc-glass-bg-input);
    border: var(--tc-glass-border);
    border-radius: var(--tc-radius-md);
    padding: 1.5rem;
    margin-top: 1rem;
    text-align: left;
}

.constructed-path h5 {
    margin: 0 0 1rem 0;
    font-size: 1rem;
    color: var(--text);
    font-weight: 600;
}

.path-construction-info {
    margin-bottom: 1rem;
}

.construction-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.75rem;
    padding: 0.5rem;
    background: var(--tc-glass-bg);
    border-radius: var(--tc-radius-sm);
}

.construction-label {
    font-weight: 600;
    color: var(--text-muted);
    min-width: 100px;
    font-size: 0.9rem;
}

.construction-value {
    color: var(--text);
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
}

.share-name-input {
    flex: 1;
    background: var(--tc-glass-bg-input);
    border: var(--tc-glass-border);
    border-radius: var(--tc-radius-sm);
    padding: 0.5rem;
    color: var(--text);
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
}

.share-name-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(168, 85, 247, 0.2);
}

.final-path-display {
    background: var(--tc-glass-bg-input);
    border: var(--tc-glass-border);
    border-radius: var(--tc-radius-sm);
    padding: 1rem;
    margin-bottom: 1rem;
}

.final-path-display strong {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.final-path-display code {
    display: block;
    background: var(--tc-glass-bg);
    padding: 0.75rem;
    border-radius: var(--tc-radius-sm);
    color: var(--success);
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    word-break: break-all;
}

.divider-text {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 2rem 0;
    width: 100%;
    max-width: 600px;
}

.divider-text::before,
.divider-text::after {
    content: '';
    flex: 1;
    border-bottom: var(--tc-glass-border);
}

.divider-text span {
    padding: 0 1rem;
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 600;
}

.network-path-input-group {
    width: 100%;
    max-width: 550px;
    text-align: left;
}

.network-path-input-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text);
}

.network-path-input {
    width: 100%;
    padding: 0.75rem;
    background: var(--tc-glass-bg-input);
    border: 2px solid rgba(148,163,184,0.08);
    border-radius: var(--tc-radius-sm);
    color: var(--text);
    font-family: 'Courier New', monospace;
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    transition: border-color 0.2s;
}

.network-path-input:focus {
    outline: none;
    border-color: var(--primary);
}

.path-examples {
    background: var(--tc-glass-bg);
    border: 1px solid var(--primary);
    border-radius: var(--tc-radius-sm);
    padding: 1rem;
    margin-bottom: 1.5rem;
    text-align: left;
}

.path-examples strong {
    display: block;
    margin-bottom: 0.75rem;
    color: var(--primary);
}

.example-item {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--text);
}

.example-item code {
    background: var(--tc-glass-bg-input);
    padding: 0.25rem 0.5rem;
    border-radius: var(--tc-radius-sm);
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    color: var(--secondary);
}

.btn-large {
    width: 100%;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: var(--tc-radius-md);
    cursor: pointer;
    transition: all 0.2s;
    border: none;
}

/* Mobile responsive */
@media (max-width: 768px) {
    .file-browser-content {
        width: 95%;
        max-height: 90vh;
    }
    
    .modal-header,
    .modal-body,
    .modal-footer {
        padding: 1rem;
    }
    
    .file-browser-list {
        min-height: 250px;
        max-height: 300px;
    }
    
    .browse-tab {
        font-size: 0.85rem;
        padding: 0.6rem 0.75rem;
    }
    
    .browse-tab span {
        font-size: 0.85rem;
    }
    
    .local-browse-info {
        padding: 2rem 1rem;
        min-height: 250px;
    }
    
    .local-browse-info .info-icon {
        font-size: 3rem;
    }
    
    .local-browse-info h4 {
        font-size: 1.1rem;
    }
}

/* ===============================================
   AUTH MODAL STYLES
   =============================================== */

.auth-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(var(--tc-glass-blur-light));
    -webkit-backdrop-filter: blur(var(--tc-glass-blur-light));
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}

.auth-modal-content {
    background: var(--tc-glass-bg);
    backdrop-filter: blur(var(--tc-glass-blur-heavy));
    -webkit-backdrop-filter: blur(var(--tc-glass-blur-heavy));
    border-radius: var(--tc-radius-xl);
    padding: 40px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    border: var(--tc-glass-border);
}

.auth-logo {
    text-align: center;
    margin-bottom: 32px;
}

.auth-logo h1 {
    font-size: 2.5rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.auth-logo p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.auth-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    background: var(--tc-glass-bg-input);
    padding: 4px;
    border-radius: var(--tc-radius-md);
}

.auth-tab-btn {
    flex: 1;
    padding: 12px 16px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--tc-radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
}

.auth-tab-btn:hover {
    color: var(--text);
}

.auth-tab-btn.active {
    background: var(--primary);
    color: white;
}

.auth-form {
    display: none;
}

.auth-form.active {
    display: block;
}

.auth-form .form-group {
    margin-bottom: 20px;
}

.auth-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text);
}

.auth-form input {
    width: 100%;
    padding: 14px 16px;
    background: var(--tc-glass-bg-input);
    border: var(--tc-glass-border);
    border-radius: var(--tc-radius-md);
    color: var(--text);
    font-size: 1rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.auth-form input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.2);
}

.auth-form input::placeholder {
    color: var(--text-muted);
}

.auth-error {
    color: var(--error);
    font-size: 0.9rem;
    margin-bottom: 16px;
    min-height: 1.4em;
}

.auth-submit-btn {
    width: 100%;
    padding: 14px 24px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border: none;
    border-radius: var(--tc-radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.auth-submit-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(168, 85, 247, 0.4);
}

.auth-submit-btn:active {
    transform: translateY(0);
}

.auth-submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.auth-footer {
    margin-top: 24px;
    padding-top: 24px;
    border-top: var(--tc-glass-border);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.auth-footer strong {
    color: var(--secondary);
}

/* Header with user profile */
.header-main {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.header-left {
    text-align: left;
}

.header-left h1 {
    margin-bottom: 4px;
}

.header-right.user-profile {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--tc-glass-bg);
    backdrop-filter: blur(var(--tc-glass-blur-light));
    -webkit-backdrop-filter: blur(var(--tc-glass-blur-light));
    padding: 8px 16px;
    border-radius: var(--tc-radius-md);
    border: var(--tc-glass-border);
}

.user-email {
    color: var(--text);
    font-weight: 500;
}

.user-credits {
    color: var(--secondary);
    font-weight: 600;
    padding: 4px 12px;
    background: rgba(16, 185, 129, 0.15);
    border-radius: var(--tc-radius-lg);
}

.btn-logout {
    background: transparent;
    border: var(--tc-glass-border);
    color: var(--text-muted);
    padding: 6px 12px;
    border-radius: var(--tc-radius-sm);
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.2s ease;
}

.btn-logout:hover {
    background: var(--error);
    border-color: var(--error);
    color: white;
}

/* Responsive auth */
@media (max-width: 480px) {
    .auth-modal-content {
        margin: 16px;
        padding: 24px;
    }

    .auth-logo h1 {
        font-size: 2rem;
    }

    .header-main {
        flex-direction: column;
        text-align: center;
    }

    .header-left {
        text-align: center;
    }

    .header-right.user-profile {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* Credit Estimate Section */
.credit-estimate-section {
    background: var(--tc-glass-bg);
    backdrop-filter: blur(var(--tc-glass-blur-light));
    -webkit-backdrop-filter: blur(var(--tc-glass-blur-light));
    border: var(--tc-glass-border);
    border-radius: var(--tc-radius-lg);
    padding: 16px;
    margin: 20px 0;
}

.credit-estimate-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    font-weight: 600;
    color: var(--primary);
}

.credit-icon {
    font-size: 1.2rem;
}

.credit-title {
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.credit-breakdown {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.credit-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 4px 8px;
    background: var(--tc-glass-bg-sidebar);
    border-radius: var(--tc-radius-sm);
    font-size: 0.9rem;
}

.credit-label {
    color: var(--text-muted);
}

.credit-value {
    font-weight: 600;
    color: var(--text);
}

.credit-row.credit-total {
    background: var(--tc-glass-bg-hover);
    border: var(--tc-glass-border);
    margin-top: 8px;
    padding: 8px 12px;
}

.credit-total-value {
    font-size: 1.1rem;
    color: var(--primary);
}

.credit-usd {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 12px;
    padding-top: 12px;
    border-top: var(--tc-glass-border-subtle);
    font-size: 0.85rem;
    color: var(--text-muted);
}

.credit-balance {
    color: var(--secondary);
    font-weight: 500;
}

.credit-insufficient {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--error);
    padding: 12px;
    border-radius: var(--tc-radius-md);
    margin-top: 12px;
    text-align: center;
    font-size: 0.9rem;
}

.credit-insufficient a {
    color: var(--primary);
    font-weight: 600;
    text-decoration: underline;
}

.credit-row-lipsync {
    background: rgba(245, 158, 11, 0.1);
    border: 1px dashed rgba(245, 158, 11, 0.3);
}

.credit-row-lipsync .credit-label {
    color: var(--warning);
}

@media (max-width: 480px) {
    .credit-estimate-section {
        padding: 12px;
    }

    .credit-row {
        font-size: 0.85rem;
    }

    .credit-usd {
        flex-direction: column;
        gap: 4px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .chat-panel { width: calc(100vw - 1rem); max-width: 100vw; right: 0.5rem; }
    .segments-grid { grid-template-columns: 1fr; }
    .feedback-btns-large { flex-direction: column; }
    .feedback-btns-large .btn { width: 100%; }
}