:root {
    --bg-main: #0B0F19;
    --bg-card: #151C2C;
    --bg-card-hover: #1E273B;
    --primary: #4F46E5;
    --primary-hover: #4338CA;
    --accent: #06B6D4;
    --text-main: #F9FAFB;
    --text-muted: #9CA3AF;
    --border: #2D3748;
    --success: #10B981;
    --radius: 12px;
    --font: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: var(--font);
    line-height: 1.6;
}

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
}

.navbar {
    border-bottom: 1px solid var(--border);
    padding: 20px 0;
    background: rgba(11, 15, 25, 0.8);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-logo {
    font-size: 1.5rem;
    font-weight: 800;
    text-decoration: none;
}

.logo-accent {
    color: var(--accent);
}

.logo-light {
    color: #FFF;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    margin-left: 24px;
    font-weight: 500;
}

.nav-links a:hover {
    color: var(--text-main);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

.btn-accent {
    background: var(--accent);
    color: #0F172A;
}

.btn-accent:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
}

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

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

.btn-block {
    width: 100%;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1.1rem;
}

.hero-section {
    padding: 80px 0 40px;
    text-align: center;
}

.badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(79, 70, 229, 0.15);
    border: 1px solid rgba(79, 70, 229, 0.3);
    color: #818CF8;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 20px;
}

h1 {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 680px;
    margin: 0 auto 40px;
}

.audit-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px;
    max-width: 720px;
    margin: 0 auto;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.checker-form .form-group {
    margin-bottom: 20px;
    text-align: left;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    color: #D1D5DB;
}

input,
select {
    width: 100%;
    padding: 14px 18px;
    background: #0D1322;
    border: 1px solid var(--border);
    border-radius: 8px;
    color: #FFF;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s;
}

input:focus,
select:focus {
    border-color: var(--primary);
}

.loading-section {
    text-align: center;
    padding: 60px 0;
}

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin: 32px 0;
}

.metric-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
}

.metric-title {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 600;
}

.metric-value {
    font-size: 2.2rem;
    font-weight: 800;
    margin: 8px 0;
    color: var(--accent);
}

.metric-desc {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.table-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    margin-bottom: 40px;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 16px;
    text-align: left;
}

.data-table th,
.data-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}

.data-table th {
    color: var(--text-muted);
    font-weight: 600;
}

.cta-banner {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.2) 0%, rgba(6, 182, 212, 0.2) 100%);
    border: 1px solid rgba(79, 70, 229, 0.4);
    border-radius: var(--radius);
    padding: 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    width: 100%;
    max-width: 580px;
    padding: 36px;
    position: relative;
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.8rem;
    cursor: pointer;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.success-message {
    text-align: center;
    padding: 20px 0;
}

.success-icon {
    width: 60px;
    height: 60px;
    background: rgba(16, 185, 129, 0.2);
    border: 2px solid var(--success);
    color: var(--success);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: 800;
    margin: 0 auto 16px;
}

.success-message h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.success-message p {
    color: var(--text-muted);
}

.hidden {
    display: none !important;
}

.footer {
    text-align: center;
    padding: 40px 0;
    border-top: 1px solid var(--border);
    margin-top: 80px;
    color: var(--text-muted);
    font-size: 0.9rem;
}