:root {
    --primary-color: #6366f1;
    --primary-hover: #4f46e5;
    --bg-color: #0f172a;
    --sidebar-bg: #1e293b;
    --card-bg: rgba(30, 41, 59, 0.7);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border-color: rgba(255, 255, 255, 0.1);
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --success: #22c55e;
    --warning: #f59e0b;
    --danger: #ef4444;
}

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

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

/* Sidebar Navigation */
.sidebar {
    width: 260px;
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--border-color);
    padding: 2rem 1rem;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    background: linear-gradient(45deg, var(--primary-color), #a855f7);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.nav-item {
    margin-bottom: 0.5rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: 0.5rem;
    transition: all 0.2s ease;
}

.nav-link:hover, .nav-link.active {
    background-color: var(--glass-bg);
    color: var(--text-main);
}

.nav-link.active {
    border-left: 3px solid var(--primary-color);
}

/* Main Content */
.main-content {
    margin-left: 260px;
    flex: 1;
    padding: 2rem;
    max-width: 1400px;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

h1 {
    font-size: 1.875rem;
    font-weight: 700;
}

/* Dashboard Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.card {
    background-color: var(--card-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    padding: 1.5rem;
    border-radius: 1rem;
    transition: transform 0.2s ease;
}

.card:hover {
    transform: translateY(-4px);
}

.card-title {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.card-value {
    font-size: 1.5rem;
    font-weight: 700;
}

/* Table Design */
.table-container {
    background-color: var(--card-bg);
    border-radius: 1rem;
    border: 1px solid var(--glass-border);
    overflow: hidden;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th {
    padding: 1rem;
    text-align: left;
    background-color: var(--glass-bg);
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.875rem;
}

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

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

.status-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 600;
}

.status-offen { background-color: rgba(239, 68, 68, 0.2); color: #f87171; }
.status-erledigt { background-color: rgba(34, 197, 94, 0.2); color: #4ade80; }
.status-klaerung { background-color: rgba(245, 158, 11, 0.2); color: #fbbf24; }

/* Forms */
input, textarea, select {
    width: 100%;
    background-color: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 0.5rem;
    padding: 0.75rem;
    color: var(--text-main);
    margin-bottom: 1rem;
}

button, .button {
    background-color: var(--primary-color);
    color: white !important;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    cursor: pointer;
    font-weight: 600;
    transition: background-color 0.2s;
    text-decoration: none;
    display: inline-block;
}

button:hover, .button:hover {
    background-color: var(--primary-hover);
}

td a {
    color: #a5b4fc; /* Sehr helles Blau */
    font-weight: 700;
    text-decoration: underline;
    transition: color 0.2s;
}

td a:hover {
    color: #ffffff;
    text-decoration: none;
}

/* Details Section */
.case-details {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
}