/* VO Sidekick - Main Stylesheet */

:root {
    /* Colors - Dark theme with warm accents */
    --bg-primary: #0d0d0f;
    --bg-secondary: #16161a;
    --bg-tertiary: #1e1e24;
    --bg-card: #1a1a1f;
    
    --text-primary: #fffffe;
    --text-secondary: #a7a9be;
    --text-muted: #6b6d7c;
    
    --accent-primary: #ff8906;
    --accent-secondary: #f25f4c;
    --accent-tertiary: #e53170;
    
    --success: #2cb67d;
    --warning: #ff9f1c;
    --error: #ff6b6b;
    
    --border: #2a2a32;
    --border-light: #3a3a45;
    
    /* Typography */
    --font-main: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    
    /* Borders */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-main);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    background-image: 
        radial-gradient(ellipse at 20% 0%, rgba(255, 137, 6, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 100%, rgba(229, 49, 112, 0.06) 0%, transparent 50%);
}

/* Navigation */
.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-xl);
    background: rgba(13, 13, 15, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.nav-logo {
    font-size: 1.5rem;
    color: var(--accent-primary);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

.nav-title {
    font-weight: 600;
    font-size: 1.1rem;
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    gap: var(--space-md);
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    font-weight: 500;
}

.nav-link:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.nav-link.active {
    color: var(--accent-primary);
    background: rgba(255, 137, 6, 0.1);
}

.nav-status {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.85rem;
    color: var(--text-muted);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-muted);
    transition: background var(--transition-base);
}

.nav-status.online .status-dot {
    background: var(--success);
    box-shadow: 0 0 8px var(--success);
}

.nav-status.offline .status-dot {
    background: var(--error);
}

.nav-logout-form {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-left: var(--space-md);
}

.nav-user-email {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.nav-logout-btn {
    padding: 6px 10px;
}

/* Main Content */
.main {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-xl);
}

/* Hero */
.hero {
    text-align: center;
    padding: var(--space-2xl) 0;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-sm);
}

.hero-subtitle {
    color: var(--text-secondary);
    font-size: 1.2rem;
}

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.card-title {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.card-icon {
    font-size: 1.5rem;
}

.card-description {
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

/* Upload Section */
.upload-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.upload-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
}

.upload-zone {
    border: 2px dashed var(--border-light);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
}

.upload-zone:hover {
    border-color: var(--accent-primary);
    background: rgba(255, 137, 6, 0.05);
}

.upload-zone.has-file {
    border-color: var(--success);
    background: rgba(44, 182, 125, 0.08);
}

.upload-zone.drag-over {
    border-color: var(--accent-primary);
    background: rgba(255, 137, 6, 0.12);
    transform: translateY(-1px);
}

.upload-zone-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
}

.upload-icon {
    font-size: 2.5rem;
    opacity: 0.8;
}

.upload-label {
    font-weight: 600;
    font-size: 1.1rem;
}

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

.upload-file-name {
    margin-top: var(--space-sm);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--success);
    word-break: break-all;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-md);
    font-family: var(--font-main);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    color: var(--bg-primary);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255, 137, 6, 0.3);
}

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

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

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

/* Result Box */
.result-box {
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    margin-top: var(--space-lg);
    font-family: var(--font-mono);
    font-size: 0.9rem;
}

.result-box.hidden {
    display: none;
}

.result-box.success {
    background: rgba(44, 182, 125, 0.1);
    border: 1px solid var(--success);
}

.result-box.error {
    background: rgba(255, 107, 107, 0.1);
    border: 1px solid var(--error);
}

.result-box pre {
    margin-top: var(--space-sm);
    white-space: pre-wrap;
    word-break: break-all;
    color: var(--text-secondary);
}

/* Tools Section */
.section-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.tool-card {
    display: block;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-decoration: none;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-tertiary));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.tool-card:hover {
    border-color: var(--border-light);
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

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

.tool-icon {
    font-size: 2.5rem;
    display: block;
    margin-bottom: var(--space-md);
}

.tool-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.tool-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: var(--space-md);
}

.tool-status {
    display: inline-block;
    padding: var(--space-xs) var(--space-sm);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Files Section */
.files-list {
    margin-top: var(--space-lg);
}

.files-group {
    margin-bottom: var(--space-lg);
}

.files-group h4 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin-bottom: var(--space-sm);
}

.files-group ul {
    list-style: none;
}

.files-group li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-xs);
}

.file-name {
    font-family: var(--font-mono);
    font-size: 0.9rem;
}

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

.files-loading,
.files-empty,
.files-error {
    color: var(--text-muted);
    font-style: italic;
}

.files-error {
    color: var(--error);
}

/* Page Headers */
.page-header {
    margin-bottom: var(--space-xl);
}

.page-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.page-description {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Coming Soon */
.coming-soon {
    text-align: center;
    padding: var(--space-2xl);
}

.coming-soon-icon {
    font-size: 4rem;
    display: block;
    margin-bottom: var(--space-lg);
}

.coming-soon h2 {
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
}

.coming-soon p {
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

.coming-soon ul {
    list-style: none;
    margin-bottom: var(--space-xl);
}

.coming-soon li {
    padding: var(--space-sm) 0;
    color: var(--text-secondary);
}

.coming-soon li::before {
    content: '→ ';
    color: var(--accent-primary);
}

/* Project Selector */
.nav-center {
    flex: 1;
    display: flex;
    justify-content: center;
}

.project-selector {
    position: relative;
}

.project-selector-btn {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: var(--font-main);
    font-size: 0.95rem;
    min-width: 200px;
}

.project-selector-btn:hover {
    border-color: var(--border-light);
    background: var(--bg-secondary);
}

.project-icon {
    font-size: 1rem;
}

.project-name {
    flex: 1;
    text-align: left;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.project-chevron {
    font-size: 0.75rem;
    color: var(--text-muted);
    transition: transform var(--transition-fast);
}

.project-dropdown.open + .project-selector-btn .project-chevron,
.project-selector-btn:focus .project-chevron {
    transform: rotate(180deg);
}

.project-dropdown {
    position: absolute;
    top: calc(100% + var(--space-sm));
    left: 50%;
    transform: translateX(-50%);
    min-width: 280px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    z-index: 200;
}

.project-dropdown.open {
    opacity: 1;
    visibility: visible;
}

.project-dropdown-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md);
    border-bottom: 1px solid var(--border);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

.project-list {
    max-height: 300px;
    overflow-y: auto;
    padding: var(--space-sm);
}

.project-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.project-item:hover {
    background: var(--bg-tertiary);
}

.project-item.active {
    background: rgba(255, 137, 6, 0.15);
    border-left: 3px solid var(--accent-primary);
}

.project-item-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
    flex: 1;
}

.project-item-name {
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.project-item-meta {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.project-delete {
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.project-item:hover .project-delete {
    opacity: 1;
}

.project-empty {
    padding: var(--space-lg);
    text-align: center;
    color: var(--text-muted);
    font-style: italic;
}

/* Icon Buttons */
.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border: none;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 1.1rem;
    line-height: 1;
}

.btn-icon:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
}

/* Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 1000;
}

.modal-overlay.open {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 420px;
    margin: var(--space-md);
    transform: translateY(20px);
    transition: transform var(--transition-base);
}

.modal-overlay.open .modal {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--border);
}

.modal-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
}

.modal-close {
    background: transparent;
    border: none;
    font-size: 1.5rem;
    color: var(--text-muted);
    cursor: pointer;
    width: auto;
    height: auto;
    padding: 0;
}

.modal-close:hover {
    color: var(--text-primary);
    background: transparent;
}

.modal form {
    padding: var(--space-lg);
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--space-sm);
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.form-group input {
    width: 100%;
    padding: var(--space-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-main);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

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

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

.modal-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: flex-end;
}

/* No Project Message */
.no-project-message {
    background: var(--bg-tertiary);
    border: 1px dashed var(--border-light);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    text-align: center;
    color: var(--text-secondary);
}

.no-project-message p {
    margin-bottom: var(--space-md);
}

/* Disabled state for project-dependent sections */
.disabled {
    opacity: 0.5;
    pointer-events: none;
}

/* Tablet / half-screen layout */
@media (max-width: 1200px) and (min-width: 769px) {
    .nav {
        display: grid;
        grid-template-columns: auto 1fr auto;
        grid-template-areas:
            "brand center status"
            "links links logout";
        gap: var(--space-sm) var(--space-md);
        align-items: center;
    }

    .nav-brand {
        grid-area: brand;
    }

    .nav-center {
        grid-area: center;
        justify-content: flex-start;
        min-width: 0;
    }

    .project-selector {
        width: 100%;
        max-width: 420px;
    }

    .project-selector-btn {
        min-width: 0;
        width: 100%;
    }

    .nav-status {
        grid-area: status;
        justify-self: end;
    }

    .nav-links {
        grid-area: links;
        min-width: 0;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
        padding-bottom: 2px;
        gap: var(--space-sm);
    }

    .nav-link {
        white-space: nowrap;
        padding: 6px 10px;
    }

    .nav-logout-form {
        grid-area: logout;
        justify-self: end;
        margin-left: 0;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .nav {
        display: grid;
        grid-template-columns: 1fr auto;
        gap: var(--space-sm);
        padding: var(--space-sm) var(--space-md);
        align-items: center;
    }

    .nav-brand {
        grid-column: 1 / 2;
        min-width: 0;
    }

    .nav-status {
        grid-column: 2 / 3;
        justify-self: end;
        font-size: 0.8rem;
    }

    .nav-status .status-text {
        display: none;
    }

    .nav-links {
        grid-column: 1 / -1;
        order: 3;
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
        padding-bottom: 2px;
    }

    .nav-link {
        white-space: nowrap;
        padding: 6px 10px;
    }
    
    .nav-center {
        grid-column: 1 / -1;
        width: 100%;
        justify-content: flex-start;
    }
    
    .project-selector-btn {
        width: 100%;
    }
    
    .project-dropdown {
        left: 0;
        transform: none;
        width: 100%;
    }

    .nav-logout-form {
        grid-column: 1 / -1;
        width: 100%;
        justify-content: flex-end;
        margin-left: 0;
    }

    .nav-user-email {
        max-width: 55vw;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .main {
        padding: var(--space-md);
    }
    
    .upload-grid {
        grid-template-columns: 1fr;
    }
}

/* Button Group */
.button-group {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.button-group .btn {
    flex: 1;
}

/* Process Status */
.process-status {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    padding: var(--space-lg);
    margin-top: var(--space-lg);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
}

.process-status.hidden {
    display: none;
}

/* Spinner */
.spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--border-light);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.spinner-sm {
    width: 14px;
    height: 14px;
    border-width: 2px;
    flex-shrink: 0;
}

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

/* Upload Progress */
.upload-progress {
    width: 100%;
    margin-top: var(--space-sm);
}

.upload-progress-track {
    width: 100%;
    height: 6px;
    background: var(--border-light);
    border-radius: 3px;
    overflow: hidden;
}

.upload-progress-fill {
    height: 100%;
    background: var(--accent-primary);
    border-radius: 3px;
    width: 0%;
    transition: width 0.2s ease;
}

.upload-progress-text {
    display: flex;
    justify-content: space-between;
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Stats Widget */
.stats-widget {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--space-md) var(--space-lg);
    margin-bottom: var(--space-xl);
    display: flex;
    justify-content: center;
}

.stats-widget-content {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.stats-icon {
    font-size: 1.5rem;
}

.stats-text {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.stats-value {
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--accent-primary);
    font-family: var(--font-mono);
}

.stats-details-btn {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-family: var(--font-main);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.stats-details-btn:hover {
    background: var(--bg-secondary);
    border-color: var(--border-light);
    color: var(--text-primary);
}

.stats-chevron {
    font-size: 1rem;
    transition: transform var(--transition-fast);
}

.stats-details-btn:hover .stats-chevron {
    transform: translateX(2px);
}

/* Stats Modal */
.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-overlay.active .modal {
    transform: translateY(0);
}

.stats-modal {
    max-width: 500px;
}

.stats-modal-content {
    padding: var(--space-lg);
}

.stats-modal-content h4 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: var(--space-md);
}

.stats-summary {
    display: flex;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--border);
}

.stats-summary-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.stats-summary-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-primary);
    font-family: var(--font-mono);
}

.stats-summary-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stats-project-list {
    max-height: 300px;
    overflow-y: auto;
}

.stats-project-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-xs);
}

.stats-project-name {
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
    margin-right: var(--space-md);
}

.stats-project-duration {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--accent-primary);
    white-space: nowrap;
}

.stats-project-list .empty-text,
.stats-project-list .loading-text {
    color: var(--text-muted);
    font-style: italic;
    text-align: center;
    padding: var(--space-lg);
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: calc(77px + var(--space-md));
    right: var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    z-index: 2500;
    pointer-events: none;
    max-width: min(420px, calc(100vw - 2 * var(--space-md)));
}

.toast {
    pointer-events: auto;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-left: 4px solid var(--accent-primary);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    font-size: 0.9rem;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.35);
    animation: toast-in 180ms ease;
}

.toast-info {
    border-left-color: var(--accent-primary);
}

.toast-success {
    border-left-color: var(--success);
}

.toast-warning {
    border-left-color: var(--warning);
}

.toast-error {
    border-left-color: var(--error);
}

.toast-exit {
    animation: toast-out 180ms ease forwards;
}

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

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

/* App Popup Dialogs */
.app-popup-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(3px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    /* Explicit transitions: visibility delays on hide (waits for opacity fade-out),
       but goes visible immediately on show so the popup is interactive right away. */
    transition: opacity var(--transition-base),
                visibility 0s linear var(--transition-base);
    z-index: 3000;
}

.app-popup-overlay.open {
    opacity: 1;
    visibility: visible;
    /* When showing: visibility applies instantly (0s delay) */
    transition: opacity var(--transition-base),
                visibility 0s linear 0s;
}

.app-popup {
    width: min(520px, calc(100vw - 2 * var(--space-md)));
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    transform: translateY(10px);
    transition: transform var(--transition-base);
}

.app-popup-overlay.open .app-popup {
    transform: translateY(0);
}

.app-popup-title {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.app-popup-message {
    color: var(--text-secondary);
    white-space: pre-line;
}

.app-popup-input {
    width: 100%;
    margin-top: var(--space-md);
    padding: 10px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-main);
}

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

.app-popup-actions {
    margin-top: var(--space-lg);
    display: flex;
    justify-content: flex-end;
    gap: var(--space-sm);
}

.app-popup-warning {
    border-left: 4px solid var(--warning);
}

.app-popup-error {
    border-left: 4px solid var(--error);
}

.app-popup-success {
    border-left: 4px solid var(--success);
}

.app-popup-info {
    border-left: 4px solid var(--accent-primary);
}