:root {
    --bg-color: #fcfcfc;
    --card-bg: #ffffff;
    --text-main: #2d3748;
    --text-muted: #718096;
    --primary: #4299e1;
    --primary-hover: #3182ce;
    --primary-gradient: linear-gradient(135deg, #4299e1 0%, #3182ce 100%);
    --border: #e2e8f0;
    --badge-bg: #e6fffa;
    --badge-text: #234e52;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    margin: 0;
    padding: 0;
}

/* Header & Navbar */
.main-header {
    background-color: #ffffff;
    border-bottom: 1px solid var(--border);
    padding: 16px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-logo {
    width: 45px;
    height: 45px;
}

.brand-title {
    font-weight: 700;
    font-size: 16px;
    color: #1a202c;
    line-height: 1.2;
}

.brand-subtitle {
    font-size: 12px;
    color: var(--text-muted);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 16px;
}

.date-badge {
    background-color: #f7fafc;
    border: 1px solid var(--border);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 13px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    font-size: 14px;
    padding: 8px 16px;
    border-radius: 20px;
    transition: all 0.2s;
}

.nav-link:hover {
    color: var(--primary);
}

.nav-link.active {
    background-color: #ebf8ff;
    color: var(--primary);
}

/* Main Content Wrapper */
.container {
    max-width: 1100px;
    margin: 40px auto;
    padding: 0 20px;
}

/* Hero Banner */
.hero-banner {
    background: linear-gradient(135deg, #5a67d4 0%, #4c51bf 100%);
    background: var(--primary-gradient);
    border-radius: 16px;
    color: white;
    text-align: center;
    padding: 50px 20px;
    margin-bottom: 30px;
    box-shadow: 0 10px 25px rgba(66, 153, 225, 0.2);
}

.hero-banner h1 {
    font-size: 28px;
    font-weight: 700;
    margin: 0 0 10px 0;
}

.hero-banner p {
    font-size: 14px;
    opacity: 0.9;
    margin: 0 0 25px 0;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.btn {
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    border: none;
    transition: 0.2s;
}

.btn-light {
    background-color: #ed8936;
    color: white;
}
.btn-light:hover { background-color: #dd6b20; }

.btn-trans {
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.4);
}
.btn-trans:hover { background-color: rgba(255, 255, 255, 0.3); }

.btn-primary {
    background-color: var(--primary);
    color: white;
}
.btn-primary:hover { background-color: var(--primary-hover); }

/* Grid Layout */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 30px;
}

.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.02);
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    color: #1a202c;
    margin: 0 0 20px 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* List Item inside Card */
.list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid #f7fafc;
}
.list-item:last-child { border-bottom: none; }

.item-label {
    font-size: 13px;
    color: var(--text-muted);
    background: #edf2f7;
    padding: 4px 10px;
    border-radius: 6px;
    font-weight: 500;
}

.item-value {
    font-weight: 600;
    font-size: 14px;
    color: #2d3748;
}

.badge-active {
    background-color: #c6f6d5;
    color: #22543d;
    font-size: 11px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 12px;
}

/* Alur Pendaftaran Section */
.card-full {
    background-color: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 30px;
    text-align: center;
    margin-bottom: 40px;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 20px;
}

.step-box {
    background-color: #f8fafc;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
}

.step-number {
    background: var(--primary-gradient);
    color: white;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin: 0 auto 12px auto;
    font-size: 14px;
}

.step-box h4 {
    margin: 0 0 8px 0;
    font-size: 14px;
    color: #1a202c;
}

.step-box p {
    margin: 0;
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.5;
}

/* Form Styles */
.form-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 30px;
    max-width: 600px;
    margin-bottom: 40px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    box-sizing: border-box;
    outline: none;
    transition: border 0.2s;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(66, 153, 225, 0.15);
}

.radio-group {
    display: flex;
    gap: 20px;
    margin-top: 8px;
}

.form-text {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 4px;
    display: block;
}

/* Footer */
.main-footer {
    text-align: center;
    padding: 20px;
    border-top: 1px solid var(--border);
    font-size: 12px;
    color: var(--text-muted);
    background-color: #ffffff;
}

@media(max-width: 768px) {
    .grid-2, .steps-grid { grid-template-columns: 1fr; }
    .main-header { padding: 16px 20px; flex-direction: column; gap: 15px; }
}