/* CBS-IT Ticketsystem - Modernes CSS */

:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #64748b;
    --secondary-hover: #475569;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #06b6d4;
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --text-color: #1e293b;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --header-bg: #1e293b;
    --header-text: #ffffff;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

/* Header */
.header {
    background-color: var(--header-bg);
    color: var(--header-text);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--header-text);
}

.header-nav {
    display: flex;
    gap: 1rem;
    flex: 1;
    justify-content: center;
}

.nav-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    transition: all 0.2s;
    font-weight: 500;
}

.nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--header-text);
}

.nav-link.active {
    background-color: var(--primary-color);
    color: var(--header-text);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-name {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.875rem;
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

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

.page-header h1 {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--text-color);
}

/* Cards */
.card {
    background: var(--card-bg);
    border-radius: 0.5rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
}

.card-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h2,
.card-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-color);
}

.card-body {
    padding: 1.5rem;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--card-bg);
    border-radius: 0.5rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: transform 0.2s, box-shadow 0.2s;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-icon.stat-primary {
    background-color: rgba(37, 99, 235, 0.1);
    color: var(--primary-color);
}

.stat-icon.stat-danger {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

.stat-icon.stat-warning {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.stat-icon.stat-success {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-color);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* Buttons */
.btn {
    padding: 0.625rem 1.25rem;
    border-radius: 0.375rem;
    border: none;
    font-weight: 500;
    font-size: 0.875rem;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: all 0.2s;
    text-align: center;
}

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

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

.btn-secondary {
    background-color: var(--secondary-color);
    color: white;
}

.btn-secondary:hover {
    background-color: var(--secondary-hover);
}

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

.btn-danger:hover {
    background-color: #dc2626;
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
}

.btn-block {
    display: block;
    width: 100%;
}

/* Badges */
.badge {
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-block;
}

.badge-primary {
    background-color: rgba(37, 99, 235, 0.1);
    color: var(--primary-color);
}

.badge-success {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.badge-danger {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

.badge-warning {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.badge-info {
    background-color: rgba(6, 182, 212, 0.1);
    color: var(--info-color);
}

.badge-secondary {
    background-color: rgba(100, 116, 139, 0.1);
    color: var(--secondary-color);
}

/* Tables */
.table-responsive {
    overflow-x: auto;
}

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

.table thead tr {
    border-bottom: 2px solid var(--border-color);
}

.table th {
    padding: 0.75rem 1rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-color);
    white-space: nowrap;
}

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

.table tbody tr:hover {
    background-color: var(--bg-color);
}

/* Forms */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--text-color);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    font-size: 0.875rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
    resize: vertical;
    font-family: inherit;
}

.form-help {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.75rem;
    color: var(--text-muted);
}

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

.form-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 400;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    cursor: pointer;
}

/* Alerts */
.alert {
    padding: 1rem 1.25rem;
    border-radius: 0.375rem;
    margin-bottom: 1.5rem;
    border-left: 4px solid;
}

.alert-success {
    background-color: rgba(16, 185, 129, 0.1);
    border-left-color: var(--success-color);
    color: #047857;
}

.alert-error {
    background-color: rgba(239, 68, 68, 0.1);
    border-left-color: var(--danger-color);
    color: #b91c1c;
}

/* Login Page */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 1.5rem;
}

.login-box {
    background: var(--card-bg);
    border-radius: 0.75rem;
    box-shadow: var(--shadow-lg);
    padding: 2rem;
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header h1 {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.login-header p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.login-footer {
    margin-top: 1.5rem;
    text-align: center;
    font-size: 0.75rem;
}

.login-footer p {
    margin-bottom: 0.25rem;
}

/* Ticket Detail Layout */
.ticket-detail {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 1.5rem;
}

@media (max-width: 1024px) {
    .ticket-detail {
        grid-template-columns: 1fr;
    }
    
    .ticket-sidebar {
        order: -1;
    }
}

.ticket-meta {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background-color: var(--bg-color);
    border-radius: 0.375rem;
}

.meta-item {
    font-size: 0.875rem;
}

.meta-item strong {
    display: block;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
    font-weight: 500;
}

.ticket-description {
    margin-top: 1.5rem;
}

.ticket-description h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-color);
}

/* Comments */
.comments-list {
    margin-bottom: 2rem;
}

.comment {
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    background-color: white;
}

.comment-internal {
    background-color: rgba(245, 158, 11, 0.05);
    border-color: var(--warning-color);
}

.comment-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    font-size: 0.875rem;
}

.comment-date {
    color: var(--text-muted);
    font-size: 0.8125rem;
}

.comment-body {
    font-size: 0.875rem;
    line-height: 1.6;
}

.comment-form {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 2px solid var(--border-color);
}

/* Ticket Sidebar */
.ticket-info {
    margin-top: 1rem;
}

.info-item {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.875rem;
}

.info-item:last-child {
    border-bottom: none;
}

.info-item strong {
    display: block;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
    font-weight: 500;
}

/* Filter Form */
.filter-form .form-row {
    align-items: flex-end;
}

/* Utilities */
.text-muted {
    color: var(--text-muted);
}

hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 1.5rem 0;
}

/* Responsive */
@media (max-width: 768px) {
    .header-nav {
        gap: 0.5rem;
    }
    
    .nav-link {
        padding: 0.5rem 0.75rem;
        font-size: 0.875rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .form-actions .btn {
        width: 100%;
    }
}