:root {
    --bg-color: #0b0f19;
    --card-bg: #151c2c;
    --border-color: #26334d;
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --accent-color: #06b6d4;
    --accent-glow: rgba(6, 182, 212, 0.15);
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: 'Outfit', sans-serif;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

header {
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.brand span {
    color: var(--accent-color);
}

nav {
    display: flex;
    gap: 1.5rem;
}

nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s, text-shadow 0.2s;
    font-size: 0.95rem;
}

nav a:hover, nav a.active {
    color: var(--accent-color);
    text-shadow: 0 0 10px var(--accent-glow);
}

.container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1.5rem;
}

.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3), 0 0 15px var(--accent-glow);
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

h1, h2, h3 {
    margin-top: 0;
}

.btn {
    background: linear-gradient(135deg, #0891b2, #06b6d4);
    color: #fff;
    border: none;
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.2s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn:hover {
    opacity: 0.9;
    transform: scale(1.02);
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-color), #b91c1c);
}

input, select, textarea {
    background-color: #0b0f19;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.6rem;
    border-radius: 6px;
    width: 100%;
    box-sizing: border-box;
    font-family: inherit;
    margin-bottom: 1rem;
}

input:focus, select:focus, textarea:focus {
    border-color: var(--accent-color);
    outline: none;
    box-shadow: 0 0 8px var(--accent-glow);
}

label {
    display: block;
    margin-bottom: 0.4rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

th, td {
    padding: 0.8rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    color: var(--text-secondary);
    font-weight: 600;
    background-color: rgba(255, 255, 255, 0.02);
}

tr:hover {
    background-color: rgba(255, 255, 255, 0.02);
}

.badge {
    padding: 0.25rem 0.6rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-block;
}

.badge-success { background-color: rgba(16, 185, 129, 0.15); color: var(--success-color); }
.badge-warning { background-color: rgba(245, 158, 11, 0.15); color: var(--warning-color); }
.badge-danger { background-color: rgba(239, 68, 68, 0.15); color: var(--danger-color); }
.badge-info { background-color: rgba(6, 182, 212, 0.15); color: var(--accent-color); }

.guide-box {
    background-color: #0b0f19;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    font-family: monospace;
    font-size: 0.85rem;
    white-space: pre-wrap;
    overflow-x: auto;
    color: #38bdf8;
    margin-top: 1rem;
}

.footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
    border-top: 1px solid var(--border-color);
    margin-top: 4rem;
}

.copy-btn {
    background-color: var(--border-color);
    color: var(--text-primary);
    border: none;
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
    font-size: 0.75rem;
    cursor: pointer;
    margin-left: 0.5rem;
}

.copy-btn:hover {
    background-color: var(--accent-color);
}