/* Global CSS Variables & Dark Theme Setup */
:root {
    --bg-app: #090d16;
    --bg-card: rgba(20, 27, 45, 0.65);
    --bg-card-hover: rgba(28, 38, 62, 0.85);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.16);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --color-blue: #0ea5e9;
    --color-blue-rgb: 14, 165, 233;
    --color-emerald: #10b981;
    --color-emerald-rgb: 16, 185, 129;
    --color-amber: #f59e0b;
    --color-amber-rgb: 245, 158, 11;
    --color-red: #ef4444;
    --color-red-rgb: 239, 68, 68;
    
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.6);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.8);
}

/* Reset and Core Layout */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-app);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    background-image: 
        radial-gradient(at 0% 0%, rgba(14, 165, 233, 0.08) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(16, 185, 129, 0.05) 0px, transparent 50%),
        radial-gradient(at 50% 100%, rgba(245, 158, 11, 0.03) 0px, transparent 50%);
    background-attachment: fixed;
    min-height: 100vh;
    padding: 2rem 1.5rem;
}

.app-container {
    max-width: 1300px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Header styling */
.app-header {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1.5rem;
}

.header-top-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.install-app-btn {
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.15) 0%, rgba(129, 140, 248, 0.15) 100%);
    border: 1px solid rgba(14, 165, 233, 0.3) !important;
    color: #e2e8f0;
    box-shadow: 0 0 15px rgba(14, 165, 233, 0.1);
    transition: all 0.2s ease;
}

.install-app-btn:hover {
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.25) 0%, rgba(129, 140, 248, 0.25) 100%) !important;
    border-color: rgba(14, 165, 233, 0.6) !important;
    transform: translateY(-1px);
    box-shadow: 0 0 20px rgba(14, 165, 233, 0.2);
}

.install-app-btn:active {
    transform: translateY(0);
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    width: 38px;
    height: 38px;
    color: var(--color-blue);
    filter: drop-shadow(0 0 8px rgba(14, 165, 233, 0.5));
}

.logo-text {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-text h1 {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, #fff 30%, var(--color-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
}

.badge {
    padding: 0.25rem 0.6rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.offline-badge {
    background-color: rgba(14, 165, 233, 0.15);
    color: var(--color-blue);
    border: 1px solid rgba(14, 165, 233, 0.3);
    box-shadow: 0 0 10px rgba(14, 165, 233, 0.1);
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.05rem;
    max-width: 800px;
    font-weight: 400;
}

/* Dashboard Stats Grid */
.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
}

.stat-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(10px);
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.25s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
    border-color: var(--border-hover);
}

.stat-icon-wrap {
    width: 46px;
    height: 46px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.03);
}

.stat-icon {
    width: 22px;
    height: 22px;
}

.blue-glow {
    color: var(--color-blue);
    border: 1px solid rgba(14, 165, 233, 0.2);
    box-shadow: inset 0 0 12px rgba(14, 165, 233, 0.15);
}
.emerald-glow {
    color: var(--color-emerald);
    border: 1px solid rgba(16, 185, 129, 0.2);
    box-shadow: inset 0 0 12px rgba(16, 185, 129, 0.15);
}
.amber-glow {
    color: var(--color-amber);
    border: 1px solid rgba(245, 158, 11, 0.2);
    box-shadow: inset 0 0 12px rgba(245, 158, 11, 0.15);
}
.red-glow {
    color: var(--color-red);
    border: 1px solid rgba(239, 68, 68, 0.2);
    box-shadow: inset 0 0 12px rgba(239, 68, 68, 0.15);
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    line-height: 1.2;
    margin-top: 2px;
}

.text-emerald { color: var(--color-emerald); }
.text-amber { color: var(--color-amber); }
.text-red { color: var(--color-red); }

/* Main Workspace Grid */
.workspace-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 1.5rem;
    align-items: start;
}

@media (max-width: 968px) {
    .workspace-grid {
        grid-template-columns: 1fr;
    }
}

.panel-left, .panel-right {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    min-width: 0; /* Prevents flex items from stretching container */
}

/* Glassmorphic Base Card */
.glass-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 1.75rem;
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(12px);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

/* Drag & Drop Zone */
.drop-zone {
    background-color: rgba(14, 165, 233, 0.02);
    border: 2px dashed rgba(14, 165, 233, 0.25);
    border-radius: 20px;
    padding: 3rem 2rem;
    text-align: center;
    cursor: pointer;
    position: relative;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.drop-zone:hover, .drop-zone.dragover {
    border-color: var(--color-blue);
    background-color: rgba(14, 165, 233, 0.05);
    box-shadow: 0 0 25px rgba(14, 165, 233, 0.12);
}

.drop-zone.dragover {
    transform: scale(1.01);
}
.file-input-hidden {
    display: none;
}

.drop-zone-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.upload-icon {
    width: 58px;
    height: 58px;
    color: var(--color-blue);
    filter: drop-shadow(0 0 10px rgba(14, 165, 233, 0.3));
    margin-bottom: 0.5rem;
    transition: transform 0.3s ease;
}

.drop-zone:hover .upload-icon {
    transform: translateY(-4px);
}

.drop-zone-content h3 {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 600;
}

.drop-help {
    color: var(--text-secondary);
    font-size: 0.875rem;
    max-width: 320px;
    margin-bottom: 0.5rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.65rem 1.25rem;
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    pointer-events: auto; /* Re-enable click inside pointer-events:none parent */
}

.btn-primary {
    background-color: var(--color-blue);
    color: #fff;
    box-shadow: 0 4px 14px rgba(14, 165, 233, 0.4);
}

.btn-primary:hover {
    background-color: #0284c7;
    box-shadow: 0 4px 20px rgba(14, 165, 233, 0.6);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.25);
}

.btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.75rem;
    border-radius: 6px;
}

/* File Queue Table Section */
.file-queue-card {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    max-height: 480px;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h2 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
}

.table-container {
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background-color: rgba(0, 0, 0, 0.1);
}

.file-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.875rem;
}

.file-table th {
    background-color: rgba(15, 23, 42, 0.7);
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 10;
}

.file-table td {
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
    color: var(--text-secondary);
}

.file-table tbody tr {
    transition: background-color 0.15s ease;
    cursor: pointer;
}

.file-table tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.02);
}

.file-table tbody tr.selected {
    background-color: rgba(14, 165, 233, 0.08);
    border-left: 3px solid var(--color-blue);
}

.file-name-cell {
    font-weight: 500;
    color: var(--text-primary);
    max-width: 200px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.text-right {
    text-align: right;
}

/* Status Badges */
.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.5rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
}

.status-scanning {
    background-color: rgba(14, 165, 233, 0.1);
    color: var(--color-blue);
    border: 1px solid rgba(14, 165, 233, 0.2);
}

.status-success-2026 {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--color-emerald);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.status-success-older {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--color-amber);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.status-failed {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--color-red);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* Empty State / Welcome Screen Inspector */
.empty-inspector {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    min-height: 400px;
    text-align: center;
    color: var(--text-muted);
}

.empty-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    max-width: 320px;
}

.inspector-icon {
    width: 68px;
    height: 68px;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.empty-content h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.empty-content p {
    font-size: 0.875rem;
}

/* Active Inspector Card */
.inspector-card {
    padding: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.inspector-banner {
    padding: 1.75rem;
    border-bottom: 1px solid var(--border-color);
    position: relative;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.02) 0%, transparent 100%);
}

/* Interactive Inspector States */
.inspector-card.theme-r2026 .inspector-banner {
    background: linear-gradient(180deg, rgba(16, 185, 129, 0.06) 0%, transparent 100%);
    border-bottom: 1px solid rgba(16, 185, 129, 0.15);
}
.inspector-card.theme-r2026 .version-main-badge {
    background-color: var(--color-emerald);
    box-shadow: 0 0 15px rgba(16, 185, 129, 0.4);
}
.inspector-card.theme-r2026 .inspector-file-ext {
    background-color: rgba(16, 185, 129, 0.15);
    color: var(--color-emerald);
    border-color: rgba(16, 185, 129, 0.3);
}

.inspector-card.theme-older .inspector-banner {
    background: linear-gradient(180deg, rgba(245, 158, 11, 0.06) 0%, transparent 100%);
    border-bottom: 1px solid rgba(245, 158, 11, 0.15);
}
.inspector-card.theme-older .version-main-badge {
    background-color: var(--color-amber);
    box-shadow: 0 0 15px rgba(245, 158, 11, 0.4);
}
.inspector-card.theme-older .inspector-file-ext {
    background-color: rgba(245, 158, 11, 0.15);
    color: var(--color-amber);
    border-color: rgba(245, 158, 11, 0.3);
}

.inspector-card.theme-error .inspector-banner {
    background: linear-gradient(180deg, rgba(239, 68, 68, 0.06) 0%, transparent 100%);
    border-bottom: 1px solid rgba(239, 68, 68, 0.15);
}
.inspector-card.theme-error .version-main-badge {
    background-color: var(--color-red);
    box-shadow: 0 0 15px rgba(239, 68, 68, 0.4);
}
.inspector-card.theme-error .inspector-file-ext {
    background-color: rgba(239, 68, 68, 0.15);
    color: var(--color-red);
    border-color: rgba(239, 68, 68, 0.3);
}

.file-type-badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    font-size: 0.7rem;
    font-weight: 700;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

#inspector-file-name {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    word-break: break-all;
}

.version-badge-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.version-main-badge {
    color: #fff;
    padding: 0.35rem 0.85rem;
    border-radius: 8px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 0.25px;
}

.version-status-text {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

/* Inspector Navigation Tabs */
.inspector-tabs {
    display: flex;
    background-color: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid var(--border-color);
}

.tab-btn {
    flex: 1;
    background: none;
    border: none;
    padding: 0.85rem;
    color: var(--text-muted);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s ease;
    border-bottom: 2px solid transparent;
}

.tab-btn:hover {
    color: var(--text-primary);
    background-color: rgba(255, 255, 255, 0.01);
}

.tab-btn.active {
    color: var(--color-blue);
    border-bottom-color: var(--color-blue);
    background-color: rgba(255, 255, 255, 0.02);
}

/* Inspector Tab Content */
.tab-content {
    display: none;
    padding: 1.75rem;
    overflow-y: auto;
    max-height: 450px;
}

.tab-content.active {
    display: block;
}

.tab-desc {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.metadata-grid {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    margin-bottom: 1.5rem;
}

.meta-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.06);
    padding-bottom: 0.6rem;
    font-size: 0.875rem;
    gap: 1rem;
}

.meta-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.meta-label {
    color: var(--text-secondary);
    font-weight: 500;
    flex-shrink: 0;
}

.meta-value {
    color: var(--text-primary);
    font-weight: 600;
    text-align: right;
    word-break: break-all;
}

.highlight-value {
    color: var(--text-primary);
    background-color: rgba(255, 255, 255, 0.05);
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
}

.code-path {
    font-family: monospace;
    font-size: 0.75rem;
    color: var(--text-muted);
    background-color: rgba(0, 0, 0, 0.15);
    padding: 0.25rem 0.4rem;
    border-radius: 4px;
    word-break: break-all;
    text-align: left;
}

/* Raw stream container */
.raw-stream-content {
    background-color: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    font-family: monospace;
    font-size: 0.775rem;
    color: var(--text-secondary);
    white-space: pre-wrap;
    word-break: break-all;
    max-height: 300px;
    overflow-y: auto;
}

/* Compatibility Alert Box */
.compatibility-box {
    border-radius: 12px;
    padding: 1rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    font-size: 0.85rem;
}

.warning-theme {
    background-color: rgba(245, 158, 11, 0.06);
    border: 1px solid rgba(245, 158, 11, 0.2);
    color: #fde047;
}

.warning-theme .compat-icon {
    color: var(--color-amber);
}

.success-theme {
    background-color: rgba(16, 185, 129, 0.06);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: #a7f3d0;
}

.success-theme .compat-icon {
    color: var(--color-emerald);
}

.danger-theme {
    background-color: rgba(239, 68, 68, 0.06);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: #fca5a5;
}

.danger-theme .compat-icon {
    color: var(--color-red);
}

.compat-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.compat-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.compat-header h4 {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
}

/* Revit Version Compatibility Matrix Guide */
.compatibility-guide {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.compatibility-guide h2 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.75rem;
}

.guide-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.guide-item {
    display: flex;
    gap: 1rem;
}

.num-badge {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background-color: rgba(14, 165, 233, 0.1);
    border: 1px solid rgba(14, 165, 233, 0.2);
    color: var(--color-blue);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.guide-item h3 {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.35rem;
    color: var(--text-primary);
}

.guide-item p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Visual timeline */
.timeline-container {
    background-color: rgba(0, 0, 0, 0.15);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.25rem;
    margin-top: 1rem;
}

.timeline-title {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    margin-bottom: 1.25rem;
}

.timeline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    gap: 0.5rem;
}

@media (max-width: 768px) {
    .timeline {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.5rem;
    }
    
    .timeline-connector {
        width: 2px !important;
        height: 20px !important;
        margin-left: 15px;
    }
}

.timeline-node {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    z-index: 2;
}

@media (max-width: 768px) {
    .timeline-node {
        align-items: flex-start;
        text-align: left;
        padding-left: 35px;
    }
}

.node-year {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    padding: 0.2rem 0.75rem;
    border-radius: 8px;
    margin-bottom: 0.35rem;
    color: var(--text-primary);
}

.timeline-node.current .node-year {
    background-color: rgba(16, 185, 129, 0.15);
    border-color: var(--color-emerald);
    color: var(--color-emerald);
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.2);
}

.node-status {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--color-blue);
    margin-bottom: 2px;
}

.timeline-node.current .node-status {
    color: var(--color-emerald);
}

.node-desc {
    font-size: 0.75rem;
    color: var(--text-muted);
    max-width: 140px;
}

.timeline-connector {
    height: 2px;
    background-color: var(--border-color);
    flex-grow: 1;
    margin-bottom: 2.2rem;
    min-width: 20px;
}

/* Footer Styling */
.app-footer {
    border-top: 1px solid var(--border-color);
    padding-top: 1.5rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.8rem;
}