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

:root {
    --bg-primary: #0f1419;
    --bg-secondary: #1a1f2e;
    --bg-tertiary: #252b3b;
    --text-primary: #e4e6eb;
    --text-secondary: #b0b3b8;
    --accent-primary: #667eea;
    --accent-secondary: #764ba2;
    --border-color: #2d3748;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #3b82f6;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: linear-gradient(135deg, #0f1419 0%, #1a1f2e 100%);
    color: var(--text-primary);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
}

.card {
    background: var(--bg-secondary);
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.4);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.card-header {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    color: white;
    padding: 20px 30px;
    font-size: 24px;
    font-weight: 600;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.card-body {
    padding: 30px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    color: var(--text-primary);
    transition: all 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-primary);
    background: var(--bg-primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

.form-control::placeholder {
    color: var(--text-secondary);
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

select.form-control {
    cursor: pointer;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-primary);
    border-color: var(--accent-primary);
}

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

.btn-success:hover {
    background: #059669;
    box-shadow: 0 5px 20px rgba(16, 185, 129, 0.4);
}

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

.btn-danger:hover {
    background: #dc2626;
    box-shadow: 0 5px 20px rgba(239, 68, 68, 0.4);
}

.btn-warning {
    background: var(--warning);
    color: #000;
}

.btn-warning:hover {
    background: #d97706;
}

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

.btn-info:hover {
    background: #2563eb;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

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

.alert {
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    border-left: 4px solid;
}

.alert-success {
    background-color: rgba(16, 185, 129, 0.1);
    border-color: var(--success);
    color: #6ee7b7;
}

.alert-danger {
    background-color: rgba(239, 68, 68, 0.1);
    border-color: var(--danger);
    color: #fca5a5;
}

.alert-warning {
    background-color: rgba(245, 158, 11, 0.1);
    border-color: var(--warning);
    color: #fcd34d;
}

.alert-info {
    background-color: rgba(59, 130, 246, 0.1);
    border-color: var(--info);
    color: #93c5fd;
}

.badge {
    display: inline-block;
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 600;
    border-radius: 6px;
    text-transform: uppercase;
}

.badge-success {
    background-color: rgba(16, 185, 129, 0.2);
    color: #6ee7b7;
    border: 1px solid var(--success);
}

.badge-danger {
    background-color: rgba(239, 68, 68, 0.2);
    color: #fca5a5;
    border: 1px solid var(--danger);
}

.badge-warning {
    background-color: rgba(245, 158, 11, 0.2);
    color: #fcd34d;
    border: 1px solid var(--warning);
}

.badge-info {
    background-color: rgba(59, 130, 246, 0.2);
    color: #93c5fd;
    border: 1px solid var(--info);
}

.badge-secondary {
    background-color: rgba(107, 114, 128, 0.2);
    color: #9ca3af;
    border: 1px solid #4b5563;
}

.table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

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

.table th,
.table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.table th {
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 0.5px;
}

.table td {
    color: var(--text-secondary);
}

.table tbody tr {
    transition: background-color 0.2s;
}

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

.navbar {
    background: var(--bg-secondary);
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.navbar-brand {
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
}

.navbar-nav {
    display: flex;
    list-style: none;
    gap: 20px;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    padding: 8px 12px;
    border-radius: 6px;
}

.nav-link:hover {
    color: var(--accent-primary);
    background: rgba(102, 126, 234, 0.1);
}

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

.stat-card {
    background: var(--bg-secondary);
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    border-left: 4px solid;
    border: 1px solid var(--border-color);
    transition: transform 0.3s;
}

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

.stat-card.blue {
    border-left-color: var(--accent-primary);
}

.stat-card.red {
    border-left-color: var(--danger);
}

.stat-card.orange {
    border-left-color: var(--warning);
}

.stat-card.green {
    border-left-color: var(--success);
}

.stat-card h3 {
    font-size: 36px;
    margin-bottom: 5px;
    color: var(--text-primary);
    font-weight: 700;
}

.stat-card p {
    color: var(--text-secondary);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.ticket-card {
    background: var(--bg-secondary);
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    margin-bottom: 15px;
    transition: all 0.3s;
    border: 1px solid var(--border-color);
}

.ticket-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0,0,0,0.4);
    border-color: var(--accent-primary);
}

.ticket-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 10px;
}

.ticket-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
}

.ticket-title:hover {
    color: var(--accent-primary);
}

.ticket-meta {
    display: flex;
    gap: 15px;
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 10px;
}

.reply-card {
    background: var(--bg-tertiary);
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 15px;
    border-left: 3px solid var(--accent-primary);
}

.reply-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.reply-author {
    font-weight: 600;
    color: var(--text-primary);
}

.reply-date {
    font-size: 12px;
    color: var(--text-secondary);
}

.reply-content {
    color: var(--text-secondary);
    line-height: 1.6;
    white-space: pre-wrap;
}

.internal-note {
    background: rgba(245, 158, 11, 0.1);
    border-left-color: var(--warning);
}

.task-item {
    background: var(--bg-tertiary);
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 15px;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.task-item:hover {
    background: var(--bg-primary);
    border-color: var(--accent-primary);
}

.task-item.completed {
    opacity: 0.6;
}

.task-item.completed .task-title {
    text-decoration: line-through;
    color: var(--text-secondary);
}

.task-checkbox {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--accent-primary);
}

.task-title {
    flex: 1;
    color: var(--text-primary);
    font-weight: 500;
}

.task-meta {
    color: var(--text-secondary);
    font-size: 12px;
}

.mt-2 { margin-top: 10px; }
.mt-3 { margin-top: 15px; }
.mt-4 { margin-top: 20px; }
.mb-2 { margin-bottom: 10px; }
.mb-3 { margin-bottom: 15px; }
.mb-4 { margin-bottom: 20px; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.d-flex { display: flex; }
.justify-content-between { justify-content: space-between; }
.align-items-center { align-items: center; }
.gap-2 { gap: 10px; }

a {
    color: var(--accent-primary);
}

a:hover {
    color: var(--accent-secondary);
}

@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: 15px;
    }
    
    .navbar-nav {
        flex-direction: column;
        width: 100%;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .table {
        font-size: 12px;
    }
    
    .table th,
    .table td {
        padding: 8px 10px;
    }
}

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-primary);
}