/* Main CSS for Gembok Bill Documentation */
:root {
    --primary: #2563eb;
    --secondary: #1e40af;
    --accent: #0ea5e9;
    --light: #f8fafc;
    --dark: #0f172a;
    --gray: #64748b;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
}

/* Base Styles */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    background-color: var(--light);
    color: var(--dark);
    line-height: 1.6;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
    margin-top: 2rem;
}

h3 {
    font-size: 1.5rem;
    margin-top: 1.5rem;
}

/* Layout */
.container {
    max-width: 1200px;
}

/* Navigation */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    font-weight: 800;
    color: var(--secondary) !important;
}

.nav-link {
    font-weight: 500;
    transition: color 0.2s;
}

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

/* Cards */
.card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s, box-shadow 0.3s;
    margin-bottom: 1.5rem;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.card-header {
    background: transparent;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    font-weight: 600;
    padding: 1.25rem 1.5rem;
}

.card-body {
    padding: 1.5rem;
}

/* Buttons */
.btn {
    border-radius: 8px;
    font-weight: 600;
    padding: 0.6rem 1.25rem;
    transition: all 0.3s;
}

.btn-primary {
    background: var(--primary);
    border: none;
}

.btn-primary:hover {
    background: var(--secondary);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(37, 99, 235, 0.4);
}

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

.btn-outline-primary:hover {
    background: var(--primary);
    box-shadow: 0 5px 15px rgba(37, 99, 235, 0.2);
}

/* Alerts */
.alert {
    border-radius: 10px;
    border: none;
    padding: 1rem 1.25rem;
}

.alert-info {
    background: rgba(14, 165, 233, 0.1);
    color: #0891b2;
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    color: #c2410c;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    color: #047857;
}

/* Code Blocks */
pre {
    background: #1e293b;
    color: #f8fafc;
    border-radius: 10px;
    padding: 1.5rem;
    overflow-x: auto;
    margin: 1.5rem 0;
}

code {
    font-family: 'Fira Code', monospace;
    font-size: 0.9em;
    background: rgba(100, 116, 139, 0.1);
    padding: 0.2em 0.4em;
    border-radius: 4px;
}

pre code {
    background: transparent;
    padding: 0;
}

/* Tables */
.table {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.table th {
    background: var(--primary);
    color: white;
    font-weight: 600;
    border: none;
}

.table-hover tbody tr:hover {
    background: rgba(37, 99, 235, 0.05);
}

/* Badges */
.badge {
    font-weight: 600;
    padding: 0.5em 0.75em;
}

.badge.bg-success {
    background: var(--success) !important;
}

.badge.bg-warning {
    background: var(--warning) !important;
    color: white;
}

.badge.bg-danger {
    background: var(--danger) !important;
}

/* Utilities */
.text-primary {
    color: var(--primary) !important;
}

.text-secondary {
    color: var(--secondary) !important;
}

.text-success {
    color: var(--success) !important;
}

.text-warning {
    color: var(--warning) !important;
}

.text-danger {
    color: var(--danger) !important;
}

.bg-light {
    background: #f1f5f9 !important;
}

.shadow-sm {
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05) !important;
}

.shadow {
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1) !important;
}

/* Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .navbar-nav {
        text-align: center;
    }
    
    .btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

/* Custom Components */
.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary);
}

.section-title {
    position: relative;
    padding-bottom: 1rem;
    margin-bottom: 2rem;
}

.section-title:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--accent);
    border-radius: 2px;
}

.requirement-card {
    border-left: 4px solid var(--primary);
    transition: transform 0.3s;
}

.requirement-card:hover {
    transform: translateX(5px);
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    font-weight: bold;
    margin-right: 10px;
}