/* Modern CSS Reset & Variable System */
:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --primary-glow: rgba(99, 102, 241, 0.35);
    
    --bg-dark: #0b0f19;
    --card-bg: rgba(23, 31, 48, 0.65);
    --card-border: rgba(255, 255, 255, 0.08);
    --card-hover-border: rgba(99, 102, 241, 0.4);
    
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --text-dim: #6b7280;
    
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --font-heading: 'Outfit', -apple-system, sans-serif;
    --font-body: 'Inter', -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

/* Theme Variant Classes */
body.theme-emerald {
    --primary: #10b981;
    --primary-hover: #059669;
    --primary-glow: rgba(16, 185, 129, 0.35);
    --card-hover-border: rgba(16, 185, 129, 0.4);
}

body.theme-violet {
    --primary: #a855f7;
    --primary-hover: #9333ea;
    --primary-glow: rgba(168, 85, 247, 0.35);
    --card-hover-border: rgba(168, 85, 247, 0.4);
}

body.theme-cyan {
    --primary: #06b6d4;
    --primary-hover: #0891b2;
    --primary-glow: rgba(6, 182, 212, 0.35);
    --card-hover-border: rgba(6, 182, 212, 0.4);
}

body.theme-rose {
    --primary: #f43f5e;
    --primary-hover: #e11d48;
    --primary-glow: rgba(244, 63, 94, 0.35);
    --card-hover-border: rgba(244, 63, 94, 0.4);
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Canvas Background */
#bg-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* App Container */
.app-container {
    position: relative;
    z-index: 1;
    max-width: 1100px;
    margin: 0 auto;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

/* Header Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    background: rgba(15, 23, 42, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.badge {
    background: var(--primary);
    color: #fff;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.85rem;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    box-shadow: 0 0 12px var(--primary-glow);
    transition: var(--transition);
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

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

.nav-controls {
    display: flex;
    align-items: center;
    gap: 16px;
}

.status-pill {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.05);
    padding: 6px 14px;
    border-radius: 50px;
    border: 1px solid var(--card-border);
    font-size: 0.85rem;
    color: var(--text-muted);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.status-dot.green {
    background: var(--success);
    box-shadow: 0 0 8px var(--success);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(1.2); }
    100% { opacity: 1; transform: scale(1); }
}

.time-display {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-muted);
    background: rgba(0, 0, 0, 0.3);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.btn-icon {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--card-border);
    color: var(--text-main);
    width: 38px;
    height: 38px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.btn-icon:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: var(--primary);
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.7) 0%, rgba(15, 23, 42, 0.8) 100%);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: 40px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, var(--primary-glow) 0%, transparent 60%);
    opacity: 0.15;
    pointer-events: none;
    transition: var(--transition);
}

.hero-badge {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
    padding: 6px 14px;
    border-radius: 50px;
    border: 1px solid var(--primary-glow);
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    line-height: 1.3;
    letter-spacing: -0.02em;
    background: linear-gradient(to right, #ffffff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    color: var(--text-muted);
    font-size: 1.05rem;
    max-width: 650px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-top: 12px;
    flex-wrap: wrap;
    justify-content: center;
}

/* Buttons */
.btn {
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    transition: var(--transition);
}

.btn-primary {
    background: var(--primary);
    color: #ffffff;
    box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--primary-glow);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.07);
    color: var(--text-main);
    border: 1px solid var(--card-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--card-border);
    color: var(--text-main);
    padding: 8px 16px;
    font-size: 0.9rem;
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.btn-sm {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--card-border);
    color: var(--text-muted);
    font-size: 0.8rem;
    padding: 4px 10px;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
}

.btn-sm:hover {
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.12);
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

/* Glass Card */
.glass-card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    transition: var(--transition);
}

.glass-card:hover {
    border-color: var(--card-hover-border);
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
}

.glass-card.full-width {
    grid-column: 1 / -1;
}

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

.card-title {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-main);
}

.card-badge {
    font-size: 0.75rem;
    font-family: var(--font-mono);
    color: var(--text-dim);
    background: rgba(255, 255, 255, 0.05);
    padding: 3px 8px;
    border-radius: 4px;
}

.card-body {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.card-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Theme Picker */
.theme-picker {
    display: flex;
    gap: 12px;
    margin-top: 8px;
}

.theme-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: var(--btn-color);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
}

.theme-btn:hover {
    transform: scale(1.15);
}

.theme-btn.active {
    border-color: #ffffff;
    box-shadow: 0 0 12px var(--btn-color);
}

/* Counter */
.counter-display {
    text-align: center;
    padding: 16px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.04);
}

#counter-value {
    font-family: var(--font-heading);
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--primary);
    transition: var(--transition);
}

.counter-controls {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.counter-controls .btn {
    flex: 1;
    justify-content: center;
}

/* Metric Bars */
.metric-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.metric-row strong {
    color: var(--text-main);
    font-family: var(--font-mono);
}

.metric-bar-wrapper {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 4px;
    overflow: hidden;
}

.metric-bar {
    height: 100%;
    background: var(--primary);
    border-radius: 4px;
    transition: width 0.8s ease-out, background-color 0.25s ease;
}

.metric-bar.green {
    background: var(--success);
}

/* Terminal Console */
.terminal {
    background: #070a12;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-sm);
    padding: 16px;
    font-family: var(--font-mono);
    font-size: 0.88rem;
    height: 180px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.5);
}

.log-line {
    line-height: 1.5;
}

.log-line.info { color: #60a5fa; }
.log-line.success { color: #34d399; }
.log-line.warning { color: #fbbf24; }
.log-line.danger { color: #f87171; }
.log-line.default { color: #9ca3af; }

/* Custom Scrollbar for Terminal */
.terminal::-webkit-scrollbar {
    width: 6px;
}
.terminal::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
}
.terminal::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 3px;
}

/* Footer */
.footer {
    text-align: center;
    padding: 20px 0;
    color: var(--text-dim);
    font-size: 0.85rem;
    border-top: 1px solid var(--card-border);
}

/* Responsive adjustments */
@media (max-width: 640px) {
    .navbar {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }
    .nav-controls {
        width: 100%;
        justify-content: space-between;
    }
    .hero-title {
        font-size: 1.5rem;
    }
    .hero-section {
        padding: 24px 16px;
    }
}