/* ========================================
   Data Platform POC Demo - Shared Styles
   AQUA Design System - Waterleau Light Theme
   ======================================== */

/* CSS Variables - AQUA Design System */
:root {
    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #e3e8e7;
    --bg-tertiary: #f5f7f7;
    --bg-card: #ffffff;
    --bg-card-hover: #f5f7f7;
    --bg-header: #ffffff;

    /* Text Colors */
    --text-primary: #171c1b;
    --text-secondary: #4e5f5d;
    --text-muted: #6b7d7a;
    --text-light: #8a9a97;

    /* Border Colors */
    --border-light: #d1d9d8;
    --border-medium: #b8c4c2;
    --border-hover: #9aaba8;

    /* Brand Colors - Water-inspired blues */
    --color-primary: #0077b6;
    --color-primary-light: #00a8e8;
    --color-primary-dark: #005f8a;

    /* Accent Colors */
    --color-blue: #0077b6;
    --color-teal: #00b4d8;
    --color-green: #2a9d8f;
    --color-orange: #e76f51;
    --color-red: #d62828;
    --color-yellow: #f4a261;
    --color-purple: #7209b7;

    /* Semantic Colors */
    --color-success: #2a9d8f;
    --color-warning: #f4a261;
    --color-error: #d62828;
    --color-info: #0077b6;

    /* Shadows - AQUA Design System */
    --shadow-sm: 0px 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0px 5px 10px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0px 10px 20px rgba(0, 0, 0, 0.08);

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;

    /* Border radius - AQUA Design System */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
}

/* Google Fonts - Poppins */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap');

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-secondary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-light);
}

/* Typography - AQUA Design System */
h1 {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

h2 {
    font-size: 1.5rem;
    font-weight: 600;
    line-height: 1.4;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

h3 {
    font-size: 1.125rem;
    font-weight: 600;
    line-height: 1.5;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

p {
    font-size: 1rem;
    line-height: 1.75;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    letter-spacing: 0.02em;
}

/* Header / Navigation - AQUA Design System */
.header {
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--bg-header);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-light);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.header-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.header-logo h1 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0;
}

.header-logo .subtitle {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

.nav {
    display: flex;
    gap: var(--spacing-xs);
}

.nav-link {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

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

.nav-link.active {
    background: rgba(0, 119, 182, 0.1);
    color: var(--color-primary);
}

/* Main Content */
.main {
    padding: var(--spacing-xl);
    max-width: 1400px;
    margin: 0 auto;
}

/* Hero Section - AQUA Design System */
.hero {
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.hero h1 {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-teal) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-md);
}

.hero .tagline {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.75;
}

/* Cards - AQUA Design System */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
}

.card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-medium);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.card-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.card-description {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
}

/* Card Grid */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

/* Metric Cards - AQUA Design System */
.metric-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.metric-card.highlight {
    border-left: 3px solid var(--color-success);
    background: rgba(42, 157, 143, 0.05);
}

.metric-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.metric-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
}

.metric-card.highlight .metric-value {
    color: var(--color-success);
}

.metric-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

/* Buttons - AQUA Design System */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    text-decoration: none;
}

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

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

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

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

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

.btn-success:hover {
    background: #238b7d;
    color: white;
}

/* Section */
.section {
    margin-bottom: var(--spacing-xl);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: 1.5rem;
    font-weight: 500;
}

/* Status Indicator - AQUA Design System */
.status {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 500;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-error);
    animation: pulse 2s infinite;
}

.status-dot.connected {
    background: var(--color-success);
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Architecture Diagram - AQUA Design System */
.architecture-diagram {
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-md);
}

.architecture-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.arch-node {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: center;
    min-width: 120px;
    box-shadow: var(--shadow-sm);
}

.arch-node.source {
    border-color: var(--color-primary);
    border-left: 3px solid var(--color-primary);
}

.arch-node.process {
    border-color: var(--color-purple);
    border-left: 3px solid var(--color-purple);
}

.arch-node.storage {
    border-color: var(--color-success);
    border-left: 3px solid var(--color-success);
}

.arch-node.output {
    border-color: var(--color-orange);
    border-left: 3px solid var(--color-orange);
}

.arch-node-icon {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.arch-node-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

.arch-node-sublabel {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.arch-arrow {
    color: var(--text-muted);
    font-size: 1.5rem;
}

/* External Links - AQUA Design System */
.external-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.external-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.external-link:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-medium);
    color: var(--color-primary);
}

.external-link-icon {
    font-size: 1.125rem;
    color: var(--color-primary);
}

/* Footer - AQUA Design System */
.footer {
    text-align: center;
    padding: var(--spacing-xl);
    border-top: 1px solid var(--border-light);
    margin-top: var(--spacing-xl);
    color: var(--text-muted);
    font-size: 0.875rem;
    background: var(--bg-primary);
}

/* Dashboard Embed Container - AQUA Design System */
.dashboard-embed {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.dashboard-embed-header {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.dashboard-embed-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.dashboard-embed iframe {
    width: 100%;
    height: 600px;
    border: none;
    background: var(--bg-secondary);
}

/* Responsive */
@media (max-width: 768px) {
    .header {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .nav {
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .architecture-flow {
        flex-direction: column;
    }

    .arch-arrow {
        transform: rotate(90deg);
    }
}

/* Utility Classes - AQUA Design System */
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

/* Color utility */
.text-primary-brand { color: var(--color-primary); }
.text-blue { color: var(--color-blue); }
.text-teal { color: var(--color-teal); }
.text-green { color: var(--color-success); }
.text-purple { color: var(--color-purple); }
.text-orange { color: var(--color-orange); }
.text-error { color: var(--color-error); }
.text-warning { color: var(--color-warning); }
.text-success { color: var(--color-success); }
.text-info { color: var(--color-info); }

/* Background utility */
.bg-primary { background-color: var(--bg-primary); }
.bg-secondary { background-color: var(--bg-secondary); }
.bg-tertiary { background-color: var(--bg-tertiary); }

/* ========================================
   Live Metrics Section
   ======================================== */

/* Live Metrics Grid */
.live-metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

/* Live Metric Card */
.live-metric-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.live-metric-header {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-light);
}

.live-metric-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--bg-tertiary);
}

.live-metric-item:last-child {
    border-bottom: none;
}

.live-metric-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.live-metric-value {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* Pulse animation for live values */
.live-pulse {
    animation: livePulse 2s ease-in-out infinite;
}

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

/* Status Indicator (connection dot) */
.status-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-error);
    display: inline-block;
}

.status-indicator.connected {
    background: var(--color-success);
    animation: pulse 2s infinite;
}

/* Responsive adjustments for live metrics */
@media (max-width: 768px) {
    .live-metrics-grid {
        grid-template-columns: 1fr;
    }

    .live-metric-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }
}