/* =========================================
   ATMAVIKASA ENTERPRISE DESIGN SYSTEM
   ========================================= */

:root {
    /* Color Palette (Deep Ocean & Corporate Blue) */
    --bg-primary: #0B1120;
    --bg-secondary: #111827;
    --bg-card: rgba(31, 41, 55, 0.7);
    
    --brand-primary: #3B82F6;
    --brand-hover: #2563EB;
    --brand-accent: #60A5FA;
    
    --text-primary: #F9FAFB;
    --text-secondary: #9CA3AF;
    --text-muted: #6B7280;

    --border-color: rgba(255, 255, 255, 0.1);
    
    /* Typography */
    --font-sans: 'Inter', sans-serif;
    --font-heading: 'Outfit', sans-serif;

    /* Transitions & Shadows */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
    --blur-glass: blur(12px);
}

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

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    min-height: 100vh;
    background-image: 
        radial-gradient(at 0% 0%, rgba(59, 130, 246, 0.15) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(29, 78, 216, 0.15) 0px, transparent 50%);
    background-attachment: fixed;
    -webkit-font-smoothing: antialiased;
}

/* Glassmorphism Cards */
.card-glass {
    background: var(--bg-card);
    backdrop-filter: var(--blur-glass);
    -webkit-backdrop-filter: var(--blur-glass);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--shadow-glass);
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.card-glass:hover {
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.2);
}

/* Typography Classes */
.h1-display {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #FFFFFF 0%, #9CA3AF 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.h2-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.text-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* Enterprise Buttons */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--brand-primary);
    color: white;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    box-shadow: 0 4px 14px 0 rgba(59, 130, 246, 0.39);
}

.btn-primary:hover:not(:disabled) {
    background: var(--brand-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    box-shadow: none;
}

/* Layout Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.grid-dashboard {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

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

/* Badges / Metrics */
.metric-value {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--brand-accent);
}

.metric-label {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

/* Top Navigation Bar */
.topbar {
    position: fixed;
    top: 0;
    width: 100%;
    height: 64px;
    background: rgba(11, 17, 32, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    z-index: 50;
    display: flex;
    align-items: center;
    padding: 0 2rem;
}

.main-content {
    margin-top: 80px;
}

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

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