/* Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
    /* Colors */
    --bg-dark: #0f0f13;
    --bg-card: rgba(30, 30, 35, 0.6);
    --bg-card-hover: rgba(40, 40, 45, 0.8);
    --primary: #fbbf24;
    /* Amber 400 */
    --primary-hover: #f59e0b;
    /* Amber 500 */
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.08);

    /* Effects */
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
    --blur: blur(12px);

    /* Animation */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    min-height: 100vh;
    background-image:
        radial-gradient(circle at 10% 20%, rgba(251, 191, 36, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(251, 191, 36, 0.05) 0%, transparent 40%);
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    color: #fff;
    font-weight: 700;
    letter-spacing: -0.025em;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 1.75rem;
}

h3 {
    font-size: 1.25rem;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-hover);
}

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

/* Navbar */
.navbar {
    background: rgba(15, 15, 19, 0.8);
    backdrop-filter: var(--blur);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 50;
    padding: 1rem 0;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: 800;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.95rem;
}

.nav-links a:hover {
    color: #fff;
    transform: translateY(-2px);
}

/* Cards & Glassmorphism */
.card {
    background: var(--bg-card);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
    padding: 1.5rem;
    transition: var(--transition);
    height: 100%;
    box-shadow: var(--shadow-sm);
}

.card:hover {
    transform: translateY(-5px);
    background: var(--bg-card-hover);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 0 0 1px var(--primary);
    border-color: rgba(251, 191, 36, 0.3);
}

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

/* Stats Cards */
.stat-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border-radius: 0.75rem;
    background: rgba(255, 255, 255, 0.03);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
    color: #000;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    font-size: 0.95rem;
    box-shadow: 0 4px 6px -1px rgba(251, 191, 36, 0.2);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(251, 191, 36, 0.4);
    color: #000;
}

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

.btn-outline {
    background: transparent;
    border: 2px solid var(--border);
    color: #fff;
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(251, 191, 36, 0.05);
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border);
    color: #fff;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(251, 191, 36, 0.2);
    background: rgba(0, 0, 0, 0.4);
}

/* Tables */
table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

th {
    text-align: left;
    color: var(--text-muted);
    font-weight: 600;
    padding: 1rem;
    border-bottom: 1px solid var(--border);
}

td {
    padding: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

tr:last-child td {
    border-bottom: none;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card,
.container>* {
    animation: fadeIn 0.6s ease-out forwards;
}

/* Utils */
.text-center {
    text-align: center;
}

.mt-4 {
    margin-top: 1rem;
}

.mb-4 {
    margin-bottom: 1rem;
}

/* Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

    .nav-content {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-links {
        gap: 1rem;
        flex-wrap: wrap;
        justify-content: center;
    }

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

    .container {
        padding: 0 1rem;
    }

    .card {
        padding: 1rem;
    }

    table {
        display: block;
        overflow-x: auto;
    }
}