:root {
    --primary-bg: #111827;
    --secondary-bg: #1f2937;
    --card-bg: #111827;
    --border-color: #374151;
    --accent-blue: #3b82f6;
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --mono-font: 'JetBrains Mono', 'Fira Code', monospace;
    --sans-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

body {
    background-color: var(--primary-bg);
    color: var(--text-main);
    font-family: var(--sans-font);
    line-height: 1.6;
    overflow-x: hidden;
}

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

header {
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem 0;
    background: rgba(17, 24, 39, 0.8);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.025em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-icon {
    width: 12px;
    height: 12px;
    background: var(--accent-blue);
    border-radius: 2px;
    box-shadow: 0 0 8px var(--accent-blue);
}

.nav-links {
    display: flex;
    gap: 1.5rem;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.2s;
}

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

/* Technical Cards */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    border-radius: 4px;
    position: relative;
    transition: border-color 0.3s;
}

.card:hover {
    border-color: var(--accent-blue);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.case-id {
    font-family: var(--mono-font);
    font-size: 0.75rem;
    color: var(--accent-blue);
    text-transform: uppercase;
}

/* Status Bars */
.status-bar {
    height: 4px;
    background: var(--border-color);
    width: 100%;
    margin: 1rem 0;
    border-radius: 2px;
    overflow: hidden;
}

.status-fill {
    height: 100%;
    background: var(--accent-blue);
    width: 75%;
    box-shadow: 0 0 10px var(--accent-blue);
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    font-size: 0.875rem;
}

th {
    text-align: left;
    color: var(--text-muted);
    font-weight: 500;
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem;
}

td {
    padding: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

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

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

label {
    display: block;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

input, textarea, select {
    width: 100%;
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 0.75rem;
    border-radius: 4px;
    font-family: inherit;
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
}

button {
    background: var(--accent-blue);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s;
}

button:hover {
    opacity: 0.9;
}

/* Footer */
footer {
    margin-top: 4rem;
    padding: 3rem 0;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.875rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
}

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

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    .container {
        padding: 0 1rem;
    }
}