/* Reset and base styles */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;900&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --primary-hover: #3b82f6;
    --danger-color: #dc2626;
    --danger-hover: #b91c1c;
    --success-color: #22c55e;
    --warning-color: #eab308;
    --bg-color: #020617;
    --card-bg: #0f172a;
    --card-bg-hover: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-subtle: #64748b;
    --border-color: #334155;
    --border-light: #1e293b;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    --radius: 2px;
    --font-size-xxs: 0.625rem;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.8125rem;
    --font-size-md: 0.875rem;
    --font-size-lg: 1rem;
    --font-size-xl: 1.25rem;
    --font-size-xxl: 1.5rem;
    --font-size-display: 1.75rem;
    --step-subcontainer-width: min(620px, 100%);
    --hydration-color: #3b82f6;
    --hydration-bg: rgba(59, 130, 246, 0.1);
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.5;
    font-size: var(--font-size-md);
}

h1 {
    font-size: var(--font-size-display);
}

h2 {
    font-size: var(--font-size-xxl);
}

h3 {
    font-size: var(--font-size-xl);
}

h4 {
    font-size: var(--font-size-lg);
}

p,
label,
li,
input,
select,
textarea,
button,
small,
.text-small {
    font-size: var(--font-size-sm);
}

small,
.text-xs {
    font-size: var(--font-size-xs);
}

/* Navbar */
.navbar {
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-link {
    text-decoration: none;
    color: inherit;
}

.brand-link:hover h1 {
    color: var(--primary-hover);
    transition: color 0.2s;
}

.nav-brand h1 {
    font-size: var(--font-size-lg);
    color: var(--text-primary);
    margin: 0;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.nav-tagline {
    font-size: var(--font-size-xxs);
    color: var(--text-subtle);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.nav-right {
    display: flex;
    align-items: center;
}

.nav-user {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: var(--font-size-xs);
    font-weight: 500;
    transition: color 0.2s ease;
}

.nav-link:hover {
    color: var(--primary-color);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    object-fit: cover;
    transition: all 0.15s ease;
    background: var(--card-bg);
}

.user-avatar:hover {
    border-color: var(--text-subtle);
}

.user-details {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.user-display-name {
    font-weight: 500;
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.user-handle {
    font-weight: 400;
    color: var(--text-subtle);
    font-size: var(--font-size-xxs);
    text-decoration: none;
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    display: block;
}

.user-handle:hover {
    color: var(--primary-color);
}

/* Main content */
.main-content {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 2rem;
}

/* Buttons */
.btn {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: var(--radius);
    font-size: var(--font-size-xs);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
}

.btn-danger {
    background: var(--danger-color);
    color: white;
}

.btn-danger:hover {
    background: var(--danger-hover);
}

.btn-outline {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.btn-outline:hover {
    background: var(--card-bg-hover);
    color: var(--text-primary);
    border-color: var(--text-subtle);
}

.btn-block {
    width: 100%;
    justify-content: center;
}

.btn-center {
    display: block;
    margin: 0 auto;
}

.btn-bigass {
    display: block;
    margin: 2rem auto;
    padding: 1.5rem 3rem;
    font-size: var(--font-size-lg);
    font-weight: 600;
    min-width: 320px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 133, 255, 0.3);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-bigass:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 133, 255, 0.4);
}

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

.btn-success {
    background: var(--success-color);
    color: white;
    border-color: var(--success-color);
}

.btn-success:hover {
    background: #229954;
    border-color: #229954;
}

.btn-sm {
    padding: 0.25rem 0.75rem;
    font-size: var(--font-size-xxs);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-link {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: var(--radius);
    font-size: var(--font-size-xs);
    font-weight: 500;
    transition: background-color 0.2s ease;
}

.btn-link:hover {
    background: var(--primary-hover);
    color: white;
    text-decoration: none;
}

/* Info box */
.info-box {
    background: #e8f4fd;
    border: 1px solid #b8daff;
    border-radius: var(--radius);
    padding: 1rem;
    margin: 1rem 0;
    font-size: var(--font-size-xs);
}

.info-box strong {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.info-box p {
    margin: 0.5rem 0;
    color: var(--text-secondary);
}

.info-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.info-link:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

/* Auth pages */
.auth-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 120px);
}

.auth-card {
    background: var(--card-bg);
    padding: 3rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    width: 100%;
    max-width: 500px;
}

.auth-card h2 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.auth-subtitle {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.auth-form {
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="number"],
.form-group input[type="date"] {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: var(--font-size-sm);
    transition: border-color 0.2s;
}

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

.form-hint {
    display: block;
    margin-top: 0.25rem;
    font-size: var(--font-size-xxs);
    color: var(--text-secondary);
}

.error-message {
    background: #fee;
    color: var(--danger-color);
    padding: 0.75rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    font-size: var(--font-size-xs);
}

.auth-footer {
    text-align: center;
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
}

/* Loading states */
.spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.8s ease-in-out infinite;
}

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

.btn-loading {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

/* Setup page */
.setup-container {
    max-width: 800px;
    margin: 0 auto;
}

.setup-header {
    text-align: center;
    margin-bottom: 3rem;
}

.setup-header h2 {
    margin-bottom: 0.5rem;
}

/* Firehose Loading Section */
.firehose-section {
    margin: 3rem auto 2rem;
    padding: 2rem;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    border-radius: var(--radius);
    color: white;
    box-shadow: var(--shadow);
    max-height: 500px;
    position: relative;
    transition: all 0.3s ease;
}

.firehose-section.fullscreen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: 0;
    max-height: none;
    border-radius: 0;
    z-index: 2000;
    padding: 2rem 3rem;
}

.firehose-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    text-align: left;
    margin-bottom: 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.2);
    padding-bottom: 0.75rem;
}

.firehose-title h4 {
    margin: 0;
    font-size: var(--font-size-md);
    opacity: 0.9;
}

.firehose-title small {
    display: block;
    opacity: 0.7;
    font-size: var(--font-size-xxs);
    margin-top: 0.25rem;
}

.btn-fullscreen {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    border-radius: 999px;
    padding: 0.35rem 0.75rem;
    font-size: var(--font-size-xs);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    transition: all 0.2s ease;
}

.btn-fullscreen:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
}

.firehose-stream {
    height: 350px;
    overflow-y: auto;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Code', monospace;
    font-size: var(--font-size-xs);
    line-height: 1.4;
}

.firehose-section.fullscreen .firehose-stream {
    height: calc(100vh - 150px);
}

/* Section containers with numbered circles */
.section-container {
    position: relative;
    margin-bottom: 3rem;
    transition: opacity 0.3s ease;
}

.section-number {
    position: absolute;
    top: -15px;
    left: 2rem;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1.1rem;
    box-shadow: 0 4px 12px rgba(0, 133, 255, 0.3);
    z-index: 10;
}

.step-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 2rem;
    padding-top: 2.5rem; /* Extra space for the section number */
    margin-bottom: 2rem;
    position: relative;
}

.step-card .step-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.step-card .step-content > * {
    width: 100%;
    max-width: var(--step-subcontainer-width);
}

.step-intro {
    text-align: center;
    margin-bottom: 2rem;
}

.step-intro p {
    font-size: var(--font-size-lg);
    line-height: 1.6;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.step-note {
    background: rgba(0, 133, 255, 0.1);
    border: 1px solid rgba(0, 133, 255, 0.2);
    border-radius: var(--radius);
    padding: 1rem;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-top: 1.5rem !important;
}

.import-intro {
    width: 100%;
    max-width: var(--step-subcontainer-width);
    margin: 0 auto 2rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    text-align: center;
}

.import-action,
.process-action,
.backup-download,
.progress-container,
.step-message,
.car-stats,
.content-selector {
    width: 100%;
    max-width: var(--step-subcontainer-width);
    margin-left: auto;
    margin-right: auto;
}

.import-info {
    margin-bottom: 0;
}

.import-info h4 {
    margin: 0 0 0.5rem 0;
    color: var(--text-primary);
    font-size: var(--font-size-lg);
}

.import-info p {
    margin: 0;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

.import-action {
    display: flex;
    justify-content: center;
    text-align: center;
    margin: 0 auto;
    padding: 0;
}

.process-action {
    display: flex;
    justify-content: center;
    text-align: center;
    margin: 2rem auto;
}

/* Backup download section */
.backup-download {
    margin-top: 2rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    text-align: center;
}

.backup-info {
    margin-bottom: 1.5rem;
}

.backup-info h4 {
    margin: 0 0 0.5rem 0;
    color: var(--text-primary);
    font-size: var(--font-size-lg);
}

.backup-info p {
    margin: 0;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

.btn-backup {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-backup:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 133, 255, 0.2);
}

.step-card.disabled {
    opacity: 0.5;
    pointer-events: none;
}

.section-container.collapsed {
    opacity: 0.6;
}

.section-container.collapsed .section-number {
    background: #ccc;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.section-container.collapsed .step-header {
    cursor: pointer;
}

.section-container.collapsed .step-header::after {
    content: " 🔒";
    color: #999;
}

.car-stats {
    margin-top: 1.5rem;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: var(--radius);
    border-left: 4px solid var(--primary-color);
}

.car-stats h4 {
    margin: 0 0 1rem 0;
    color: var(--text-primary);
}

.car-stats .stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
}

.car-stats .stat-item {
    text-align: center;
    padding: 0.75rem;
    background: white;
    border-radius: 4px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.car-stats .stat-value {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--primary-color);
    margin: 0;
}

.car-stats .stat-label {
    font-size: var(--font-size-xxs);
    color: var(--text-secondary);
    margin: 0.25rem 0 0 0;
}

.step-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.step-header h3 {
    margin: 0;
}

.step-status {
    font-size: var(--font-size-xl);
}

.step-status.completed {
    color: var(--success-color);
}

.progress-container {
    margin: 1.5rem 0;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.progress-bar {
    background: var(--border-color);
    height: 8px;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-fill {
    background: var(--primary-color);
    height: 100%;
    width: 0;
    transition: width 0.3s ease;
}

.progress-text {
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.step-message {
    padding: 0.75rem;
    border-radius: var(--radius);
    margin-top: 1rem;
    font-size: var(--font-size-sm);
}

.step-message.success {
    background: #d4edda;
    color: #155724;
}

.step-message.error {
    background: #f8d7da;
    color: #721c24;
}

.step-message.info {
    background: #d1ecf1;
    color: #0c5460;
}

.filter-detail {
    padding: 0.25rem 0.5rem;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 4px;
    margin: 0.25rem 0;
    font-family: monospace;
    border-left: 3px solid var(--primary-color);
}

/* Firehose */
.firehose-container {
    margin-top: 1.5rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    border-radius: var(--radius);
    color: white;
    box-shadow: var(--shadow);
    max-height: 350px;
    overflow: hidden;
    position: relative;
}

/* External firehose (below step 2) */
.firehose-container-external {
    margin: 2rem auto;
    padding: 2rem;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    border-radius: var(--radius);
    color: white;
    box-shadow: var(--shadow);
    max-height: 700px; /* 2x the original height */
    position: relative;
    max-width: 1200px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.firehose-container-external[style*="display: block"] {
    opacity: 1;
    transform: translateY(0);
}

.firehose-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    text-align: left;
    margin-bottom: 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.2);
    padding-bottom: 0.75rem;
}

.firehose-header h4 {
    margin: 0;
    font-size: var(--font-size-md);
    opacity: 0.9;
}

.firehose-header small {
    display: block;
    opacity: 0.7;
    font-size: var(--font-size-xxs);
    margin-top: 0.25rem;
}

.firehose-title {
    flex: 1;
}

.btn-fullscreen {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    border-radius: 999px;
    padding: 0.35rem 0.75rem;
    font-size: var(--font-size-xs);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.btn-fullscreen:hover,
.btn-fullscreen:focus {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
}

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

.firehose-stream {
    height: 280px;
    overflow: hidden;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Code', monospace;
    font-size: var(--font-size-xxs);
    line-height: 1.4;
}

.firehose-container-external .firehose-stream {
    height: 580px; /* 2x the original height */
    font-size: var(--font-size-xs);
    overflow-y: auto; /* Allow scrolling to see all content */
}

.firehose-container-external.fullscreen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: 0;
    max-width: none;
    max-height: none;
    border-radius: 0;
    padding: 2rem 3rem;
    z-index: 2000;
}

.firehose-container-external.fullscreen .firehose-stream {
    height: calc(100vh - 220px);
}

.firehose-container-external.fullscreen .firehose-overlay {
    border-radius: 0;
}

/* Processing overlay */
.firehose-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(26, 26, 46, 0.95);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 10;
    opacity: 1;
    transition: opacity 0.8s ease;
}

.firehose-overlay.fade-out {
    opacity: 0;
    pointer-events: none;
}

.overlay-content {
    text-align: center;
    color: white;
}

.overlay-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: 1rem;
    opacity: 0;
    animation: fadeInUp 0.6s ease 0.2s forwards;
}

.overlay-subtitle {
    font-size: var(--font-size-sm);
    opacity: 0.8;
    margin-bottom: 2rem;
    opacity: 0;
    animation: fadeInUp 0.6s ease 0.4s forwards;
}

.processing-spinner {
    width: 60px;
    height: 60px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s linear infinite;
    margin: 0 auto;
    opacity: 0;
    animation: fadeInUp 0.6s ease 0.6s forwards, spin 1s linear 0.6s infinite;
}

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

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

.firehose-message {
    padding: 0.25rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    opacity: 0;
    animation: fadeInSlide 0.5s ease-in-out forwards;
}

.firehose-message:last-child {
    border-bottom: none;
}

.firehose-message.post {
    border-left: 3px solid #4a9eff;
    padding-left: 0.5rem;
}

.firehose-message.like {
    border-left: 3px solid #ff6b9d;
    padding-left: 0.5rem;
}

.firehose-message.reply {
    border-left: 3px solid #fab005;
    padding-left: 0.5rem;
    background: rgba(250, 176, 5, 0.1);
}

.firehose-message.repost {
    border-left: 3px solid #51cf66;
    padding-left: 0.5rem;
}

.message-author {
    color: #8cc8ff;
    font-weight: 600;
}

.message-text {
    color: #e1e8ed;
    margin-left: 0.5rem;
}

@keyframes fadeInSlide {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Background firehose animations */
@keyframes backgroundFadeIn {
    0% {
        opacity: 0;
        transform: scale(0.8) translateY(20px);
    }
    50% {
        opacity: 0.8;
        transform: scale(1) translateY(0);
    }
    100% {
        opacity: 0.6;
        transform: scale(1) translateY(0);
    }
}

@keyframes backgroundFadeOut {
    0% {
        opacity: 0.6;
        transform: scale(1);
    }
    100% {
        opacity: 0;
        transform: scale(0.9) translateY(-10px);
    }
}

/* Facts Carousel */
.facts-carousel {
    margin-top: 1.5rem;
    padding: 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: var(--radius);
    color: white;
    text-align: center;
    box-shadow: var(--shadow);
}

.fact-display {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1rem;
    min-height: 80px;
}

.fact-icon {
    font-size: var(--font-size-display);
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.3));
}

.fact-content {
    text-align: left;
    flex: 1;
    max-width: 300px;
}

.fact-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    opacity: 0.9;
    margin-bottom: 0.25rem;
}

.fact-value {
    font-size: var(--font-size-xxl);
    font-weight: 700;
    margin-bottom: 0.25rem;
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

.fact-description {
    font-size: var(--font-size-xxs);
    opacity: 0.8;
    line-height: 1.3;
}

.fact-indicator {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
}

.fact-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    transition: background-color 0.3s;
}

.fact-dot.active {
    background: rgba(255, 255, 255, 0.9);
}

/* Content selector */
.content-selector {
    margin: 1.5rem 0;
}

.content-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    margin-bottom: 0.75rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-weight: 500;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.limit-input {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.limit-input label {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
}

.limit-input input {
    width: 80px;
    padding: 0.25rem 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

/* Dashboard */
.dashboard-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.overview-section,
.search-section,
.results-section {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 2rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.stat-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--bg-color);
    border-radius: var(--radius);
}

.stat-icon {
    font-size: var(--font-size-display);
}

.stat-content h3 {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    margin: 0;
}

.stat-value {
    font-size: var(--font-size-xxl);
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.metric-card {
    padding: 1.5rem;
    background: var(--bg-color);
    border-radius: var(--radius);
}

.metric-card h4 {
    font-size: var(--font-size-md);
    margin-bottom: 0.5rem;
}

.metric-value {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--primary-color);
    margin: 0.25rem 0;
}

.metric-label {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
}

/* Search form */
.search-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.search-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    align-items: end;
}

.checkbox-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.date-inputs,
.range-inputs {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.date-inputs input,
.range-inputs input {
    flex: 1;
}

/* Results */
.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.results-actions {
    display: flex;
    gap: 0.5rem;
}

.results-info {
    margin-bottom: 1rem;
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
}

.results-table-container {
    overflow-x: auto;
    margin-top: 1rem;
}

.results-table {
    width: 100%;
    border-collapse: collapse;
}

.results-table th {
    background: var(--bg-color);
    padding: 0.75rem;
    text-align: left;
    font-weight: 500;
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    border-bottom: 2px solid var(--border-color);
}

.results-table td {
    padding: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.checkbox-column {
    width: 40px;
}

.content-cell {
    max-width: 400px;
}

.content-preview {
    font-size: var(--font-size-xs);
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.media-indicator {
    display: inline-block;
    margin-left: 0.5rem;
}

.content-type-badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: var(--font-size-xxs);
    font-weight: 500;
    text-transform: uppercase;
}

.content-type-badge.post {
    background: #e3f2fd;
    color: #1976d2;
}

.content-type-badge.like {
    background: #fce4ec;
    color: #c2185b;
}

.content-type-badge.repost {
    background: #e8f5e9;
    color: #388e3c;
}

.date-cell {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    white-space: nowrap;
}

.engagement-stats {
    display: flex;
    gap: 0.75rem;
    font-size: var(--font-size-xs);
}

.engagement-score {
    font-size: var(--font-size-xxs);
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.no-results {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: var(--radius);
    max-width: 400px;
    width: 90%;
}

.modal-content h3 {
    margin-bottom: 1rem;
}

.warning-text {
    color: var(--danger-color);
    font-size: var(--font-size-xs);
    margin: 0.5rem 0 1.5rem;
}

.modal-actions {
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
}

/* Footer */
.footer {
    background: var(--card-bg);
    border-top: 1px solid var(--border-color);
    padding: 1rem 0;
    margin-top: 3rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.footer-link {
    color: var(--text-subtle);
    text-decoration: none;
    font-size: var(--font-size-xxs);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: color 0.15s ease;
}

.footer-link:hover {
    color: var(--text-primary);
}

.footer-license {
    display: flex;
    align-items: center;
}

.footer-license img {
    transition: opacity 0.2s ease;
}

.footer-license a:hover img {
    opacity: 0.8;
}

/* Engagement hydration styles */
.engagement-section {
    margin-top: 2rem;
}

.engagement-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.engagement-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.hydration-status {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    min-width: 300px;
}

.status-text {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

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

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--success-color));
    width: 0%;
    transition: width 0.3s ease;
    border-radius: 3px;
}

.engagement-info {
    margin-top: 1rem;
    padding: 1rem;
    background: linear-gradient(135deg, #f8f9ff 0%, #e8f2ff 100%);
    border-radius: var(--radius);
    border-left: 4px solid var(--primary-color);
}

.info-text {
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

.info-text strong {
    color: var(--primary-color);
}

/* Button loading state */
.btn-loading {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.spinner {
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Enhanced engagement display */
.engagement-stats {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.engagement-item {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    background-color: #f8f9fa;
    transition: all 0.2s ease;
}

.engagement-item.has-engagement {
    background-color: #e8f5e8;
    border: 1px solid #c3e6c3;
}

.engagement-icon {
    font-size: var(--font-size-sm);
}

.engagement-count {
    font-size: var(--font-size-xxs);
    font-weight: 600;
    color: var(--text-primary);
}

.engagement-item.has-engagement .engagement-count {
    color: var(--success-color);
}

.engagement-score {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--font-size-xxs);
}

.score-label {
    color: var(--text-secondary);
}

.score-value {
    font-weight: 600;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
}

.score-value.high-score {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.score-value.medium-score {
    background-color: #fff3cd;
    color: #856404;
    border: 1px solid #ffeaa7;
}

.score-value.low-score {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.hydration-timestamp {
    margin-top: 0.75rem;
    padding: 0.5rem;
    background-color: #e8f5e8;
    border-radius: 4px;
    border-left: 3px solid var(--success-color);
    font-size: var(--font-size-xxs);
}

.timestamp-label {
    color: var(--text-secondary);
    font-weight: 500;
}

.timestamp-value {
    color: var(--success-color);
    font-weight: 600;
    margin-left: 0.5rem;
}

.btn-highlighted {
    animation: pulse-highlight 2s infinite;
    box-shadow: 0 0 15px rgba(0, 133, 255, 0.4);
}

@keyframes pulse-highlight {
    0% { box-shadow: 0 0 15px rgba(0, 133, 255, 0.4); }
    50% { box-shadow: 0 0 25px rgba(0, 133, 255, 0.6); }
    100% { box-shadow: 0 0 15px rgba(0, 133, 255, 0.4); }
}

/* Completion overlay */
.completion-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.completion-content {
    background: var(--card-bg);
    padding: 3rem;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    text-align: center;
    max-width: 400px;
    width: 90%;
    animation: completionSlideUp 0.4s ease;
}

.completion-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid var(--border-color);
    border-radius: 50%;
    border-top-color: var(--success-color);
    animation: spin 1s linear infinite;
    margin: 0 auto 2rem;
}

.completion-text {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2rem;
    line-height: 1.4;
}

.completion-progress {
    margin-top: 1.5rem;
}

.completion-progress-bar {
    background: var(--border-color);
    height: 12px;
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 1rem;
}

.completion-progress-fill {
    background: linear-gradient(90deg, var(--success-color), #2ecc71);
    height: 100%;
    border-radius: 6px;
    transition: width 0.3s ease;
    position: relative;
}

.completion-progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: shimmer 2s infinite;
}

.completion-progress-text {
    font-size: var(--font-size-md);
    font-weight: 600;
    color: var(--success-color);
}

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

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Responsive footer */
@media (max-width: 768px) {
    .footer-container {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        order: 2;
    }
    
    .footer-license {
        order: 1;
    }
    
    .engagement-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .engagement-actions {
        width: 100%;
        justify-content: space-between;
    }
    
    .hydration-status {
        min-width: auto;
        width: 100%;
    }
    
    /* Responsive section numbers */
    .section-number {
        left: 1rem;
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }
    
    .step-card {
        padding: 1.5rem;
        padding-top: 2rem;
    }
}

/* Floating notification system */
.floating-notifications {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
    pointer-events: none;
}

.floating-notification {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    padding: 1rem 1.5rem;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 400px;
    min-width: 300px;
    transform: translateX(420px);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: auto;
    border-left: 4px solid var(--primary-color);
}

.floating-notification.show {
    transform: translateX(0);
    opacity: 1;
}

.floating-notification.info {
    border-left-color: var(--primary-color);
}

.floating-notification.success {
    border-left-color: var(--success-color);
    background: #f8fff8;
}

.floating-notification.warning {
    border-left-color: var(--warning-color);
    background: #fffbf0;
}

.floating-notification.error {
    border-left-color: var(--danger-color);
    background: #fff5f5;
}

.floating-notification.processing {
    border-left-color: var(--primary-color);
    background: linear-gradient(90deg, #f0f8ff 0%, #e6f3ff 100%);
}

.notification-text {
    flex: 1;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1.4;
}

.notification-close {
    background: none;
    border: none;
    font-size: 1.2rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0;
    margin-left: 1rem;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s ease;
}

.notification-close:hover {
    background: rgba(0, 0, 0, 0.1);
    color: var(--text-primary);
}

.floating-notification.processing .notification-text {
    background: linear-gradient(90deg, var(--primary-color), var(--primary-hover), var(--primary-color));
    background-size: 200% 100%;
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: processing-shimmer 2s ease-in-out infinite;
}

@keyframes processing-shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* Responsive adjustments for notifications */
@media (max-width: 768px) {
    .floating-notifications {
        top: 10px;
        right: 10px;
        left: 10px;
    }
    
    .floating-notification {
        max-width: none;
        min-width: auto;
        transform: translateY(-100px);
    }
    
    .floating-notification.show {
        transform: translateY(0);
    }
}

/* Hydration status styles */
.hydration-status {
    background: var(--hydration-bg);
    border: 1px solid var(--hydration-color);
    border-radius: var(--radius);
    padding: 1rem;
    margin: 1rem 0;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.hydration-status .status-icon {
    font-size: 1.5rem;
    animation: pulse 2s infinite;
}

.hydration-status .status-text {
    flex: 1;
    color: var(--hydration-color);
    font-weight: 500;
}

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

/* Enhanced progress messages for hydration */
.progress-text.hydrating {
    color: var(--hydration-color);
    font-weight: 600;
}

.step-message.hydration {
    background: var(--hydration-bg);
    border-left: 4px solid var(--hydration-color);
    padding: 0.75rem 1rem;
    margin: 1rem 0;
    border-radius: 0 var(--radius) var(--radius) 0;
}

/* Accessibility improvements */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus styles for better keyboard navigation */
button:focus,
input:focus,
select:focus,
textarea:focus,
a:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Skip link for keyboard users */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-color);
    color: white;
    padding: 8px;
    text-decoration: none;
    border-radius: 4px;
    z-index: 1000;
}

.skip-link:focus {
    top: 6px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #0066cc;
        --danger-color: #cc0000;
        --text-primary: #000000;
        --bg-color: #ffffff;
        --border-color: #000000;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}