/* ═══════════════════════════════════════════════════════════════
   NEXUS Dashboard - Main Styles
   Neo-Brutalist Glassmorphism Design System
   ═══════════════════════════════════════════════════════════════ */

/* ─────────────────────────────────────────────────────────────────
   CSS Custom Properties - The Design DNA
   ───────────────────────────────────────────────────────────────── */
:root {
    /* Color Palette - Dark Theme (Default) */
    --color-void: #0a0a0f;
    --color-abyss: #12121a;
    --color-surface: #1a1a24;
    --color-elevated: #22222e;
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-strong: rgba(255, 255, 255, 0.15);

    /* Text Colors */
    --color-text-primary: #f0f0f5;
    --color-text-secondary: #8888a0;
    --color-text-muted: #55556a;

    /* Accent Colors - Electric Cyan & Warm Amber */
    --color-accent-primary: #00f0ff;
    --color-accent-secondary: #ff6b35;
    --color-accent-tertiary: #a855f7;
    --color-accent-glow: rgba(0, 240, 255, 0.4);

    /* Semantic Colors */
    --color-success: #22c55e;
    --color-warning: #f59e0b;
    --color-danger: #ef4444;

    /* Glassmorphism */
    --glass-bg: rgba(26, 26, 36, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-blur: 20px;
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);

    /* Typography Scale */
    --font-display: 'Syne', sans-serif;
    --font-mono: 'Space Mono', monospace;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;

    /* Spacing Scale */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Z-Index Scale */
    --z-base: 1;
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-modal: 300;
    --z-tooltip: 400;
}

/* Light Theme Override */
[data-theme="light"] {
    --color-void: #f8f9fc;
    --color-abyss: #ffffff;
    --color-surface: #ffffff;
    --color-elevated: #f0f1f5;
    --color-border: rgba(0, 0, 0, 0.08);
    --color-border-strong: rgba(0, 0, 0, 0.15);

    --color-text-primary: #12121a;
    --color-text-secondary: #555570;
    --color-text-muted: #888898;

    --color-accent-primary: #0090a0;
    --color-accent-glow: rgba(0, 144, 160, 0.3);

    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(0, 0, 0, 0.08);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

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

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

body {
    font-family: var(--font-display);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text-primary);
    background: var(--color-void);
    min-height: 100vh;
    overflow-x: hidden;
    transition: background-color var(--transition-slow), color var(--transition-slow);
}

/* ─────────────────────────────────────────────────────────────────
   Atmospheric Background
   ───────────────────────────────────────────────────────────────── */
.atmosphere {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.5;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--color-accent-primary) 0%, transparent 70%);
    top: -200px;
    right: -100px;
    animation-delay: 0s;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--color-accent-secondary) 0%, transparent 70%);
    bottom: -150px;
    left: -100px;
    animation-delay: -7s;
}

.orb-3 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--color-accent-tertiary) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -14s;
}

[data-theme="light"] .gradient-orb {
    opacity: 0.3;
}

.noise-overlay {
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    opacity: 0.03;
    mix-blend-mode: overlay;
}

/* ─────────────────────────────────────────────────────────────────
   Dashboard Container
   ───────────────────────────────────────────────────────────────── */
.dashboard-container {
    position: relative;
    z-index: var(--z-base);
    max-width: 1600px;
    margin: 0 auto;
    padding: var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

/* ─────────────────────────────────────────────────────────────────
   Header
   ───────────────────────────────────────────────────────────────── */
.dashboard-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-6);
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--glass-shadow);
    transition: all var(--transition-slow);
}

.logo-section {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.logo-mark {
    width: 40px;
    height: 40px;
    color: var(--color-accent-primary);
    animation: rotate-slow 20s linear infinite;
}

.logo-mark svg {
    width: 100%;
    height: 100%;
}

.logo-text {
    font-family: var(--font-display);
    font-size: var(--font-size-2xl);
    font-weight: 800;
    letter-spacing: -0.02em;
    text-transform: uppercase;
}

.logo-text .accent {
    color: var(--color-accent-primary);
}

.header-nav {
    display: flex;
    gap: var(--space-2);
    background: var(--color-surface);
    padding: var(--space-1);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    font-family: var(--font-display);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.nav-btn:hover {
    color: var(--color-text-primary);
    background: var(--color-elevated);
}

.nav-btn.active {
    color: var(--color-void);
    background: var(--color-accent-primary);
}

[data-theme="light"] .nav-btn.active {
    color: white;
}

.nav-icon {
    font-size: var(--font-size-lg);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.live-indicator {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    font-weight: 700;
    color: var(--color-success);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.pulse {
    width: 8px;
    height: 8px;
    background: var(--color-success);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

/* Theme Toggle */
.theme-toggle {
    position: relative;
    width: 56px;
    height: 28px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
}

.toggle-track {
    display: block;
    width: 100%;
    height: 100%;
    background: var(--color-surface);
    border: 2px solid var(--color-border-strong);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.toggle-thumb {
    position: absolute;
    top: 4px;
    left: 4px;
    width: 20px;
    height: 20px;
    background: var(--color-accent-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-spring);
    box-shadow: 0 2px 8px var(--color-accent-glow);
}

[data-theme="light"] .toggle-thumb {
    left: calc(100% - 24px);
    background: var(--color-accent-secondary);
    box-shadow: 0 2px 8px rgba(255, 107, 53, 0.4);
}

.icon-sun, .icon-moon {
    font-size: 12px;
    transition: opacity var(--transition-fast);
}

.icon-sun {
    opacity: 0;
}

.icon-moon {
    opacity: 1;
}

[data-theme="light"] .icon-sun {
    opacity: 1;
}

[data-theme="light"] .icon-moon {
    opacity: 0;
}

.icon-btn {
    position: relative;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.icon-btn:hover {
    color: var(--color-accent-primary);
    border-color: var(--color-accent-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--color-accent-glow);
}

.notification-dot {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 8px;
    height: 8px;
    background: var(--color-danger);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

/* ─────────────────────────────────────────────────────────────────
   Stats Bar
   ───────────────────────────────────────────────────────────────── */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-4);
}

.stat-card {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-5);
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
    transition: all var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--glass-shadow), 0 12px 40px rgba(0, 0, 0, 0.2);
}

.stat-card.stat-primary {
    background: linear-gradient(135deg, var(--color-accent-primary) 0%, rgba(0, 240, 255, 0.7) 100%);
    border-color: transparent;
}

.stat-card.stat-primary .stat-icon,
.stat-card.stat-primary .stat-value,
.stat-card.stat-primary .stat-label,
.stat-card.stat-primary .stat-trend {
    color: var(--color-void);
}

.stat-icon {
    font-size: var(--font-size-2xl);
    color: var(--color-accent-primary);
}

.stat-content {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.stat-value {
    font-family: var(--font-mono);
    font-size: var(--font-size-xl);
    font-weight: 700;
    letter-spacing: -0.02em;
}

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

.stat-trend {
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    font-weight: 700;
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
}

.stat-trend.positive {
    color: var(--color-success);
    background: rgba(34, 197, 94, 0.15);
}

.stat-trend.negative {
    color: var(--color-danger);
    background: rgba(239, 68, 68, 0.15);
}

/* ─────────────────────────────────────────────────────────────────
   Widget Grid
   ───────────────────────────────────────────────────────────────── */
.widget-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--space-4);
    min-height: 600px;
}

/* ─────────────────────────────────────────────────────────────────
   Responsive Design
   ───────────────────────────────────────────────────────────────── */
@media (max-width: 1200px) {
    .stats-bar {
        grid-template-columns: repeat(2, 1fr);
    }

    .widget-grid {
        grid-template-columns: repeat(6, 1fr);
    }

    .widget-lg {
        grid-column: span 6 !important;
    }

    .widget-md {
        grid-column: span 3 !important;
    }

    .widget-sm {
        grid-column: span 3 !important;
    }
}

@media (max-width: 768px) {
    .dashboard-container {
        padding: var(--space-4);
    }

    .dashboard-header {
        flex-direction: column;
        gap: var(--space-4);
        padding: var(--space-4);
    }

    .header-nav {
        order: 3;
        width: 100%;
        justify-content: center;
    }

    .stats-bar {
        grid-template-columns: 1fr;
    }

    .widget-grid {
        grid-template-columns: 1fr;
    }

    .widget-lg, .widget-md, .widget-sm {
        grid-column: span 1 !important;
    }
}

/* ─────────────────────────────────────────────────────────────────
   Utility Classes
   ───────────────────────────────────────────────────────────────── */
.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;
}