@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');
:root {
    --bg-primary: #000000;
    --border-color: rgba(255, 255, 255, 0.12);
    --border-subtle: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.35);
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-pill: 9999px;
    --transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
}
html, body {
    width: 100%;
    height: 100vh;
    max-height: 100vh;
    overflow: hidden;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    display: flex;
    flex-direction: column;
}
.bg-grid {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(circle at 50% 50%, #000 30%, transparent 85%);
    -webkit-mask-image: radial-gradient(circle at 50% 50%, #000 30%, transparent 85%);
}
.bg-ambient-glow {
    position: fixed;
    top: -20%;
    left: 50%;
    transform: translateX(-50%);
    width: 900px;
    height: 450px;
    background: radial-gradient(ellipse, rgba(255, 255, 255, 0.04) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}
.navbar-header {
    position: relative;
    z-index: 10;
    height: 54px;
    min-height: 54px;
    border-bottom: 1px solid var(--border-subtle);
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: flex;
    align-items: center;
    padding: 0 32px;
}
.navbar-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
    font-size: 1.05rem;
    font-weight: 600;
    letter-spacing: -0.3px;
    transition: var(--transition);
}
.brand-logo:hover {
    opacity: 0.85;
}
.nav-brand-divider {
    height: 18px;
    width: 1px;
    background: rgba(255, 255, 255, 0.15);
    margin: 0 10px;
    align-self: center;
}
.dlm-badge {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: var(--transition);
}
.dlm-badge:hover .dlm-logo-img {
    opacity: 1;
    transform: scale(1.05);
}
.dlm-logo-img {
    height: 22px;
    width: auto;
    opacity: 0.88;
    align-self: center;
    display: block;
    transition: var(--transition);
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 6px;
}
.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    padding: 6px 14px;
    border-radius: var(--radius-pill);
    transition: var(--transition);
}
.nav-link:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.06);
}
.nav-link.active {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.14);
}
.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}
.privacy-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.72rem;
    font-weight: 500;
    color: #e4e4e7;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    padding: 4px 10px;
    border-radius: var(--radius-pill);
}
.dot-indicator {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: #ffffff;
    box-shadow: 0 0 8px rgba(255, 255, 255, 0.8);
}
.github-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}
.github-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
}
.main-content {
    position: relative;
    z-index: 2;
    flex: 1;
    min-height: 0;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 12px 32px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}
.workspace-open {
    width: 100%;
    max-width: 820px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}
.workspace-header {
    text-align: center;
}
.workspace-header h1 {
    font-size: 1.85rem;
    font-weight: 700;
    letter-spacing: -0.6px;
    color: var(--text-primary);
    margin-bottom: 4px;
}
.workspace-header p {
    font-size: 0.88rem;
    color: var(--text-secondary);
}
.workspace-meta-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 0 4px;
    font-size: 0.75rem;
    color: var(--text-muted);
}
.workspace-status {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-weight: 500;
}
.status-indicator-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #71717a;
    transition: var(--transition);
}
.status-indicator-dot.active {
    background: #ffffff;
    box-shadow: 0 0 8px #ffffff;
}
.status-indicator-dot.processing {
    background: #ffffff;
    animation: statusPulse 1.2s infinite ease-in-out;
}
.status-indicator-dot.success {
    background: #ffffff;
}
@keyframes statusPulse {
    0%, 100% { opacity: 0.3; transform: scale(0.9); }
    50% { opacity: 1; transform: scale(1.15); }
}
.step-container {
    display: none;
    width: 100%;
}
.step-container.active {
    display: block;
    animation: fadeIn 0.2s ease-out;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}
.dropzone-open {
    width: 100%;
    border: 1.5px dashed rgba(255, 255, 255, 0.18);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.015);
    padding: 38px 24px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}
.dropzone-open:hover, .dropzone-open.dragover {
    border-color: rgba(255, 255, 255, 0.5);
    background: rgba(255, 255, 255, 0.04);
}
.dropzone-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    transition: var(--transition);
}
.dropzone-open:hover .dropzone-icon {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-2px);
}
.dropzone-title {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
}
.dropzone-subtitle {
    font-size: 0.82rem;
    color: var(--text-muted);
}
.dropzone-subtitle .browse-text {
    color: var(--text-primary);
    text-decoration: underline;
    text-underline-offset: 3px;
    font-weight: 500;
}
.format-pills {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px;
    margin-top: 4px;
}
.format-pill {
    font-size: 0.68rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 3px 8px;
    border-radius: var(--radius-pill);
}
.file-input-hidden {
    display: none;
}
.preview-layout-open {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 20px;
    width: 100%;
    align-items: start;
}
.preview-left-card {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.02);
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.file-icon-badge {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
}
.file-title-name {
    font-size: 0.94rem;
    font-weight: 600;
    color: var(--text-primary);
    word-break: break-all;
}
.file-title-sub {
    font-size: 0.76rem;
    color: var(--text-muted);
    margin-top: 2px;
}
.preview-left-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 6px;
}
.table-scroll-area {
    max-height: 220px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.015);
}
.table-scroll-area::-webkit-scrollbar {
    width: 5px;
}
.table-scroll-area::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-pill);
}
.metadata-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.78rem;
    text-align: left;
}
.metadata-table th {
    position: sticky;
    top: 0;
    background: #0d0f14;
    color: var(--text-muted);
    font-weight: 500;
    padding: 8px 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.metadata-table td {
    padding: 7px 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.74rem;
}
.metadata-table td:first-child {
    color: var(--text-secondary);
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    width: 38%;
}
.no-metadata-box {
    padding: 30px 16px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.84rem;
}
.loading-box-open {
    padding: 40px 20px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
}
.clean-spinner {
    width: 42px;
    height: 42px;
    border: 2px solid rgba(255, 255, 255, 0.15);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}
.loading-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}
.loading-sub {
    font-size: 0.82rem;
    color: var(--text-muted);
}
.progress-track {
    width: 100%;
    max-width: 400px;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-pill);
    overflow: hidden;
}
.progress-fill {
    height: 100%;
    background: #ffffff;
    width: 0%;
    transition: width 0.2s ease;
}
.progress-text {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-family: 'JetBrains Mono', monospace;
}
.success-box-open {
    padding: 24px 10px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    width: 100%;
}
.success-badge-icon {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
}
.success-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}
.success-sub {
    font-size: 0.85rem;
    color: var(--text-secondary);
}
.stats-grid-open {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    width: 100%;
    max-width: 520px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.02);
    padding: 14px 18px;
}
.stat-col {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}
.stat-label {
    font-size: 0.68rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.4px;
}
.stat-value {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
}
.download-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 4px;
}
.unscrollable-page {
    width: 100%;
    max-width: 1140px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 18px;
    height: 100%;
    max-height: 100%;
}
.unscrollable-header {
    text-align: left;
}
.badge-tag {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 500;
    color: #e4e4e7;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border-color);
    padding: 3px 10px;
    border-radius: var(--radius-pill);
    margin-bottom: 8px;
}
.unscrollable-title {
    font-size: 1.85rem;
    font-weight: 700;
    letter-spacing: -0.6px;
    color: var(--text-primary);
    margin-bottom: 4px;
}
.unscrollable-subtitle {
    font-size: 0.88rem;
    color: var(--text-secondary);
    max-width: 720px;
}
.about-grid-columns {
    display: grid;
    grid-template-columns: 1fr 1fr 1.15fr;
    gap: 18px;
    width: 100%;
}
.section-col {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.02);
    padding: 18px 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.section-col h2 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.2px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--border-subtle);
}
.section-col p {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.55;
}
.section-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.section-col li {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.5;
    padding-left: 14px;
    position: relative;
}
.section-col li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: #ffffff;
    font-weight: bold;
}
.section-col strong {
    color: var(--text-primary);
}
.section-col code {
    background: rgba(255, 255, 255, 0.08);
    padding: 2px 5px;
    border-radius: 4px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: #ffffff;
}
.privacy-grid-pillars {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    width: 100%;
}
.pillar-card {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.02);
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.pillar-num {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
}
.pillar-card h2 {
    font-size: 0.96rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.2px;
}
.pillar-card p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.55;
}
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px 18px;
    font-size: 0.82rem;
    font-weight: 600;
    border-radius: var(--radius-pill);
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition);
    border: none;
    outline: none;
}
.btn-primary {
    background: #ffffff;
    color: #000000;
    box-shadow: 0 2px 10px rgba(255, 255, 255, 0.12);
}
.btn-primary:hover {
    background: #f4f4f5;
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(255, 255, 255, 0.25);
}
.btn-secondary {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}
.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.25);
    transform: translateY(-1px);
}
.footer-bar {
    position: relative;
    z-index: 10;
    height: 36px;
    min-height: 36px;
    border-top: 1px solid var(--border-subtle);
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 20px;
}
.footer-bar p {
    font-size: 0.72rem;
    color: var(--text-muted);
    letter-spacing: 0.2px;
}
.hidden {
    display: none !important;
}

@media (max-width: 900px) {
    html, body {
        height: auto;
        max-height: none;
        overflow-y: auto;
    }
    .about-grid-columns, .privacy-grid-pillars {
        grid-template-columns: 1fr;
    }
    .preview-layout-open {
        grid-template-columns: 1fr;
    }
    .main-content {
        height: auto;
        padding: 30px 16px;
    }
}

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

.fade-in-up {
  animation: fadeInUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) both;
  will-change: opacity, transform;
}

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

/* Responsive adjustments for tablets and iPads */
@media (max-width: 1200px) {
    /* Reduce navbar height on medium screens */
    .navbar-header {
        height: 48px;
        min-height: 48px;
        padding: 0 24px;
    }
    /* Adjust main content padding */
    .main-content {
        padding: 24px 20px;
    }
    /* About page grid: two columns on medium screens */
    .about-grid-columns {
        grid-template-columns: 1fr 1fr;
    }
    /* Privacy pillars: two columns on medium screens */
    .privacy-grid-pillars {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile specific tweaks */
@media (max-width: 600px) {
    .navbar-header {
        height: 44px;
        min-height: 44px;
        padding: 0 16px;
    }
    .main-content {
        padding: 20px 12px;
    }
    .about-grid-columns,
    .privacy-grid-pillars {
        grid-template-columns: 1fr;
    }
    .unscrollable-page {
        gap: 12px;
    }
    .nav-links {
        gap: 4px;
    }
    .nav-link {
        font-size: 0.78rem;
        padding: 4px 8px;
    }
}

/* iPad and larger tablets (portrait) */
@media (max-width: 1024px) {
    .about-grid-columns {
        grid-template-columns: 1fr 1fr;
    }
    .privacy-grid-pillars {
        grid-template-columns: repeat(2, 1fr);
    }
    .navbar-header {
        height: 46px;
        min-height: 46px;
        padding: 0 20px;
    }
    .main-content {
        padding: 22px 18px;
    }
}

/* Desktop enhancements for wide screens */
@media (min-width: 1500px) {
    .main-content {
        max-width: 1400px;
        padding: 32px 40px;
    }
    .navbar-container {
        max-width: 1400px;
    }
    .about-grid-columns {
        grid-template-columns: 1fr 1fr 1fr;
    }
    .privacy-grid-pillars {
        grid-template-columns: repeat(4, 1fr);
    }
}