:root {
    /* Farben */
    --background-dark: #2B2E3B;
    --background-darker: #252830;
    --card-background: #343845;
    --accent-blue: #688db1;
    --accent-green: #9cb68f;
    --accent-red: #e16162;
    --text-primary: #d1d5db;
    --text-secondary: #9ca3af;

    /* Schatten */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.2);
    --shadow: 0 4px 8px rgba(0,0,0,0.3);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.4);

    /* Abstände */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;

    /* Rundungen */
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
                'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
                sans-serif;
    background: var(--background-darker);
    color: var(--text-primary);
    min-height: 100vh;
    padding: var(--spacing-4);
    line-height: 1.6;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    background: var(--background-dark);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.header {
    background: linear-gradient(135deg, var(--accent-blue) 0%, #5a7a9a 100%);
    padding: var(--spacing-8);
    text-align: center;
}

.header h1 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-2);
    color: var(--text-primary);
    font-weight: 700;
    text-shadow: var(--shadow-sm);
}

.header p {
    color: var(--text-secondary);
    font-size: 1rem;
}

.form-section {
    padding: var(--spacing-8);
    background: var(--card-background);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-6);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2);
    font-weight: 500;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--spacing-3) var(--spacing-4);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius);
    background: var(--background-darker);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
    background: rgba(104, 141, 177, 0.1);
    box-shadow: 0 0 0 3px rgba(104, 141, 177, 0.15);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-secondary);
    opacity: 0.6;
}

.form-group select option {
    background: var(--background-dark);
    color: var(--text-primary);
}

textarea {
    resize: vertical;
    min-height: 80px;
    font-family: inherit;
}

.button-group {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

button {
    padding: var(--spacing-3) var(--spacing-6);
    border: none;
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.btn-primary {
    background: var(--accent-blue);
    color: var(--text-primary);
}

.btn-primary:hover {
    background: #7a9fc5;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(104, 141, 177, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--accent-blue);
}

.btn-secondary:hover {
    background: rgba(104, 141, 177, 0.1);
    transform: translateY(-2px);
}

.btn-success {
    background: var(--accent-green);
    color: var(--text-primary);
}

.btn-success:hover {
    background: #aac5a1;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(156, 182, 143, 0.3);
}

.btn-danger {
    background: var(--accent-red);
    color: var(--text-primary);
}

.btn-danger:hover {
    background: #ea7b7c;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(225, 97, 98, 0.3);
}

.table-section {
    padding: var(--spacing-8);
    overflow-x: auto;
    background: var(--background-dark);
}

table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

thead {
    background: var(--card-background);
}

th {
    padding: var(--spacing-4);
    text-align: left;
    color: var(--accent-blue);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
    border-bottom: 2px solid rgba(104, 141, 177, 0.3);
    cursor: pointer;
    user-select: none;
    position: relative;
    transition: background-color 0.2s ease;
}

th:hover {
    background: rgba(104, 141, 177, 0.1);
}

th.sortable::after {
    content: '⇅';
    position: absolute;
    right: 8px;
    opacity: 0.5;
    font-size: 0.8rem;
}

th.sort-asc::after {
    content: '▲';
    opacity: 1;
    color: var(--accent-blue);
}

th.sort-desc::after {
    content: '▼';
    opacity: 1;
    color: var(--accent-blue);
}

tbody tr {
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

tbody tr:hover {
    background: var(--card-background);
}

td {
    padding: var(--spacing-4);
    color: var(--text-primary);
    font-size: 1rem;
}

td:last-child {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-3);
    white-space: nowrap;
}

.status-badge {
    display: inline-block;
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-xl);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.status-neu {
    background: rgba(104, 141, 177, 0.2);
    color: var(--accent-blue);
    border: 1px solid rgba(104, 141, 177, 0.3);
}
.status-beworben {
    background: rgba(104, 141, 177, 0.15);
    color: #7a9fc5;
    border: 1px solid rgba(104, 141, 177, 0.25);
}
.status-eingang-bestaetigt {
    background: rgba(139, 92, 246, 0.2);
    color: #a78bfa;
    border: 1px solid rgba(139, 92, 246, 0.3);
}
.status-gespraech {
    background: rgba(251, 191, 36, 0.2);
    color: #fcd34d;
    border: 1px solid rgba(251, 191, 36, 0.3);
}
.status-gespraech-gefuehrt {
    background: rgba(34, 197, 94, 0.2);
    color: #4ade80;
    border: 1px solid rgba(34, 197, 94, 0.3);
}
.status-zusage {
    background: rgba(156, 182, 143, 0.2);
    color: var(--accent-green);
    border: 1px solid rgba(156, 182, 143, 0.3);
}
.status-absage {
    background: rgba(225, 97, 98, 0.2);
    color: var(--accent-red);
    border: 1px solid rgba(225, 97, 98, 0.3);
}

.action-btn {
    padding: var(--spacing-2);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s ease;
    min-width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.edit-btn {
    background: rgba(104, 141, 177, 0.2);
    color: var(--accent-blue);
}

.edit-btn:hover {
    background: rgba(104, 141, 177, 0.3);
}

.delete-btn {
    background: rgba(225, 97, 98, 0.2);
    color: var(--accent-red);
}

.delete-btn:hover {
    background: rgba(225, 97, 98, 0.3);
}

.stats-section {
    padding: var(--spacing-8);
    background: var(--card-background);
    border-top: 1px solid rgba(255,255,255,0.05);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-4);
}

.stat-card {
    background: var(--background-darker);
    padding: var(--spacing-6);
    border-radius: var(--radius-xl);
    text-align: center;
    border: 1px solid rgba(255,255,255,0.05);
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.stat-card:hover {
    transform: translateY(-5px);
    background: rgba(104, 141, 177, 0.05);
    box-shadow: var(--shadow);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--accent-blue);
}

.stat-label {
    color: var(--text-secondary);
    margin-top: var(--spacing-2);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.empty-state {
    text-align: center;
    padding: var(--spacing-16) var(--spacing-4);
    color: var(--text-secondary);
}

.empty-state svg {
    width: 100px;
    height: 100px;
    margin-bottom: 20px;
    opacity: 0.3;
}

@media (max-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr;
    }

    .header h1 {
        font-size: 1.8em;
    }

    .table-section {
        padding: 15px;
    }

    table {
        font-size: 0.85em;
    }
}