/* Infrahost UI (nxtbyte_v4 Dark angelehnt) */

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

:root {
    /* Angepasst an nxtbyte_v4 "Nitro-Host_Dark" */
    --primary-color: #1b55e2;
    --secondary-color: #2196f3;
    --accent-color: #5c1ac3;

    --danger-color: #e7515a;
    --success-color: #8dbf42;

    --bg-dark: #060818;
    --bg-darker: #060818;
    --bg-panel: #0e1726;

    --text-light: #e0e6ed;
    --text-muted: #888ea8;

    --border-glow: rgba(27, 85, 226, 0.35);
}

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-darker);
    color: var(--text-light);
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
    letter-spacing: 0.0312rem;
    font-size: 0.875rem;
}

/* Star-Trek/Neon-Hintergründe entfernt */

/* Header */
.main-header {
    background: rgba(6, 8, 24, 0.95);
    border-bottom: 1px solid rgba(224, 230, 237, 0.08);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
    padding: 14px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1.neon-text {
    font-size: 1.25rem;
    color: var(--text-light);
    letter-spacing: 0.04em;
    font-weight: 700;
}

.logo-subtitle {
    font-size: 0.8rem;
    color: var(--text-muted);
    letter-spacing: 0.02em;
    margin-top: 2px;
}

.main-nav {
    display: flex;
    gap: 20px;
}

.main-nav a {
    color: var(--text-light);
    text-decoration: none;
    padding: 10px 14px;
    border: 1px solid rgba(224, 230, 237, 0.08);
    border-radius: 6px;
    transition: background 0.2s, border-color 0.2s, transform 0.2s;
    text-transform: none;
    font-size: 0.95em;
    letter-spacing: 0;
    background: rgba(14, 23, 38, 0.35);
}

.main-nav a:hover {
    background: rgba(27, 85, 226, 0.12);
    border-color: rgba(27, 85, 226, 0.35);
    color: var(--text-light);
    box-shadow: none;
    transform: translateY(-2px);
}

/* Main Content */
.main-content {
    position: relative;
    z-index: 1;
    padding: 32px 20px;
    min-height: calc(100vh - 200px);
}

/* Cards/Panels */
.card {
    background: var(--bg-panel);
    border: 1px solid rgba(224, 230, 237, 0.08);
    border-radius: 6px;
    padding: 22px;
    margin: 20px 0;
    box-shadow: 0 0 40px 0 rgba(94, 92, 154, 0.06);
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
}

.card h2 {
    color: var(--text-light);
    margin-bottom: 20px;
    font-size: 1.25rem;
    text-transform: none;
    letter-spacing: 0;
    border-bottom: 1px solid rgba(224, 230, 237, 0.08);
    padding-bottom: 12px;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: none;
    font-size: 0.9em;
    letter-spacing: 0;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    background: rgba(6, 8, 24, 0.6);
    border: 1px solid rgba(224, 230, 237, 0.08);
    border-radius: 6px;
    color: var(--text-light);
    font-size: 1em;
    transition: all 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: rgba(27, 85, 226, 0.6);
    box-shadow: 0 0 0 3px rgba(27, 85, 226, 0.15);
}

.form-group textarea {
    min-height: 100px;
    resize: vertical;
}

/* Buttons */
.btn {
    padding: 10px 18px;
    border: 1px solid rgba(224, 230, 237, 0.10);
    background: rgba(14, 23, 38, 0.35);
    color: var(--text-light);
    border-radius: 6px;
    cursor: pointer;
    font-size: 1em;
    text-transform: none;
    letter-spacing: 0;
    font-weight: 600;
    transition: background 0.2s, border-color 0.2s, transform 0.2s;
    text-decoration: none;
    display: inline-block;
}

.btn:hover {
    background: rgba(27, 85, 226, 0.12);
    border-color: rgba(27, 85, 226, 0.35);
    color: var(--text-light);
    box-shadow: none;
    transform: translateY(-2px);
}

.btn-primary {
    background: var(--primary-color);
    border-color: rgba(27, 85, 226, 0.55);
    color: #ffffff;
}

.btn-primary:hover {
    background: #304aca;
    border-color: rgba(48, 74, 202, 0.65);
}

.btn-success {
    border-color: var(--success-color);
    color: var(--success-color);
}

.btn-success:hover {
    background: var(--success-color);
    color: var(--bg-dark);
    box-shadow: 0 0 20px var(--success-color);
}

.btn-danger {
    border-color: var(--danger-color);
    color: var(--danger-color);
}

.btn-danger:hover {
    background: var(--danger-color);
    color: var(--bg-dark);
    box-shadow: 0 0 20px var(--danger-color);
}

/* Tables */
.table-container {
    overflow-x: auto;
    margin: 20px 0;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: rgba(6, 8, 24, 0.35);
    border: 1px solid rgba(224, 230, 237, 0.08);
    border-radius: 6px;
    overflow: hidden;
}

table th {
    background: var(--bg-panel);
    color: var(--text-light);
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid rgba(224, 230, 237, 0.08);
    text-transform: none;
    font-size: 0.9em;
    letter-spacing: 0;
}

table td {
    padding: 15px;
    border-bottom: 1px solid rgba(224, 230, 237, 0.06);
}

table tr:hover {
    background: rgba(27, 85, 226, 0.06);
}

/* Status Badges */
.badge {
    display: inline-block;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.85em;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.badge-pending {
    background: rgba(255, 255, 0, 0.2);
    color: #ffff00;
    border: 1px solid #ffff00;
}

.badge-approved,
.badge-active {
    background: rgba(0, 255, 0, 0.2);
    color: var(--success-color);
    border: 1px solid var(--success-color);
}

.badge-rejected {
    background: rgba(255, 68, 68, 0.2);
    color: var(--danger-color);
    border: 1px solid var(--danger-color);
}

.badge-paid,
.badge-completed {
    background: rgba(0, 255, 255, 0.2);
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

.badge-overdue {
    background: rgba(255, 68, 68, 0.3);
    color: var(--danger-color);
    border: 2px solid var(--danger-color);
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Alerts */
.alert {
    padding: 15px 20px;
    border-radius: 4px;
    margin: 20px 0;
    border-left: 4px solid;
}

.alert-success {
    background: rgba(0, 255, 0, 0.1);
    border-color: var(--success-color);
    color: var(--success-color);
}

.alert-error {
    background: rgba(255, 68, 68, 0.1);
    border-color: var(--danger-color);
    color: var(--danger-color);
}

.alert-info {
    background: rgba(0, 255, 255, 0.1);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* Login Page */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 200px);
}

.login-card {
    background: var(--bg-panel);
    border: 1px solid rgba(224, 230, 237, 0.08);
    border-radius: 6px;
    padding: 28px;
    box-shadow: 0 0 40px 0 rgba(94, 92, 154, 0.06);
    max-width: 450px;
    width: 100%;
}

.login-card h2 {
    text-align: center;
    margin-bottom: 30px;
    color: var(--text-light);
    font-size: 1.25rem;
    text-transform: none;
    letter-spacing: 0.04em;
}

/* Footer */
.main-footer {
    background: rgba(6, 8, 24, 0.95);
    border-top: 1px solid rgba(224, 230, 237, 0.08);
    padding: 20px 0;
    text-align: center;
    color: var(--text-light);
    position: relative;
    z-index: 1;
}

.footer-subtitle {
    color: var(--text-muted);
    font-size: 0.8em;
    margin-top: 5px;
    letter-spacing: 2px;
}

/* Dashboard Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.stat-card {
    background: var(--bg-panel);
    border: 1px solid rgba(224, 230, 237, 0.08);
    border-radius: 6px;
    padding: 20px;
    text-align: center;
    box-shadow: 0 0 40px 0 rgba(94, 92, 154, 0.06);
    transition: transform 0.3s;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 40px 0 rgba(94, 92, 154, 0.10);
}

.stat-card h3 {
    color: var(--primary-color);
    font-size: 2.5em;
    margin: 10px 0;
}

.stat-card p {
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9em;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        flex-direction: column;
        gap: 20px;
    }
    
    .main-nav {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .logo h1.neon-text {
        font-size: 1.8em;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
}