:root {
    --primary: #1d4ed8;
    --primary-dark: #1e40af;
    --secondary: #eff6ff;
    --bg-main: #ffffff;
    --card-bg: #ffffff;
    --card-border: #e2e8f0;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --accent: #dbeafe;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

.glass {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 1rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    color: var(--text-main);
}

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

/* Navbar */
nav {
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: white;
    border-bottom: 2px solid var(--primary);
}

.logo {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--primary);
    text-decoration: none;
    letter-spacing: -0.05em;
}

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

label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--text-main);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

input, select, textarea {
    width: 100%;
    padding: 1rem;
    background: #f8fafc;
    border: 2px solid #e2e8f0;
    border-radius: 0.75rem;
    color: var(--text-main);
    outline: none;
    transition: all 0.2s;
    font-size: 1rem;
}

input:focus {
    border-color: var(--primary);
    background: white;
    box-shadow: 0 0 0 4px var(--accent);
}

.btn {
    padding: 1rem 2rem;
    border-radius: 0.75rem;
    border: none;
    font-weight: 800;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 1rem;
    text-transform: uppercase;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* Results Card */
.result-card {
    margin-top: 2rem;
    padding: 3rem;
    text-align: center;
    border: 2px solid var(--primary);
}

.status-badge {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: 0.5rem;
    font-weight: 900;
    font-size: 2.25rem;
    margin: 2rem 0;
    border: 4px solid currentColor;
}

.status-lulus {
    background: #f0fdf4;
    color: #16a34a;
}

.status-tidak-lulus {
    background: #fef2f2;
    color: #dc2626;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 4rem 0 3rem;
    background: var(--secondary);
    border-bottom: 1px solid var(--card-border);
    margin-bottom: 2rem;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--primary);
    font-weight: 900;
    letter-spacing: -1px;
}

.hero p {
    color: var(--text-muted);
    font-size: 1.25rem;
    font-weight: 600;
}

/* Footer Section */
footer {
    margin-top: auto;
    padding: 3rem;
    background: #1e293b;
    color: white;
}

footer a {
    color: #38bdf8;
    text-decoration: none;
}