/* Reset y estilos base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --danger-color: #dc2626;
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* Header */
.main-header {
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h2 {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.main-nav {
    display: flex;
    gap: 1.5rem;
}

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

.nav-link:hover {
    color: var(--primary-color);
    background-color: var(--bg-color);
}

.nav-link.logout {
    color: var(--error-color);
}

.nav-link.logout:hover {
    background-color: #fee;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Login Page */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 2rem;
}

.login-box {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: 0.75rem;
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 420px;
}

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

.login-header h1 {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.login-header p {
    color: var(--text-secondary);
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: border-color 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 small {
    display: block;
    margin-top: 0.25rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    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: #475569;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

button[type="submit"] {
    width: 100%;
}

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: 0.5rem;
    margin-bottom: 1.5rem;
}

.alert-success {
    background-color: #d1fae5;
    color: #065f46;
    border: 1px solid #6ee7b7;
}

.alert-error {
    background-color: #fee;
    color: #991b1b;
    border: 1px solid #fca5a5;
}

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

.dashboard-header h1 {
    font-size: 2rem;
    color: var(--text-primary);
}

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

.stat-card {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 0.75rem;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.stat-icon {
    font-size: 2.5rem;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.5rem;
}

.stat-icon.total {
    background-color: #dbeafe;
}

.stat-icon.abierto {
    background-color: #fef3c7;
}

.stat-icon.proceso {
    background-color: #e0e7ff;
}

.stat-icon.resuelto {
    background-color: #d1fae5;
}

.stat-info h3 {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.stat-number {
    font-size: 2rem;
    font-weight: bold;
    color: var(--text-primary);
}

/* Tickets Section */
.tickets-section {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 0.75rem;
    box-shadow: var(--shadow);
}

.tickets-section h2 {
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

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

.page-header h1 {
    font-size: 2rem;
    color: var(--text-primary);
}

/* Filters */
.filters-section {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 0.75rem;
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
}

.filters-form {
    display: flex;
    gap: 1rem;
    align-items: flex-end;
    flex-wrap: wrap;
}

.filter-group {
    flex: 1;
    min-width: 200px;
}

.filter-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.filter-group select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
}

/* Table */
.tickets-table-container {
    overflow-x: auto;
}

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

.tickets-table thead {
    background-color: var(--bg-color);
}

.tickets-table th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 2px solid var(--border-color);
}

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

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

.ticket-title {
    font-weight: 500;
    max-width: 300px;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
}

.badge-baja {
    background-color: #dbeafe;
    color: #1e40af;
}

.badge-media {
    background-color: #fef3c7;
    color: #92400e;
}

.badge-alta {
    background-color: #fed7aa;
    color: #9a3412;
}

.badge-critica {
    background-color: #fee;
    color: #991b1b;
}

.badge-estado-abierto {
    background-color: #fef3c7;
    color: #92400e;
}

.badge-estado-en_proceso {
    background-color: #e0e7ff;
    color: #3730a3;
}

.badge-estado-resuelto {
    background-color: #d1fae5;
    color: #065f46;
}

.badge-estado-cerrado {
    background-color: #e2e8f0;
    color: #475569;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
}

.empty-state p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 1.125rem;
}

/* Form Container */
.form-container {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 0.75rem;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

.ticket-form {
    max-width: 800px;
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.form-actions .btn {
    flex: 1;
}

/* Info Box */
.info-box {
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    padding: 1.5rem;
    border-radius: 0.75rem;
    margin-top: 2rem;
}

.info-box h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.info-box ul {
    list-style-position: inside;
    color: var(--text-primary);
}

.info-box li {
    margin-bottom: 0.5rem;
}

/* Ticket Detail */
.ticket-detail {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

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

.ticket-header-info {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
    gap: 1rem;
}

.ticket-header-info h2 {
    flex: 1;
    color: var(--text-primary);
}

.ticket-badges {
    display: flex;
    gap: 0.5rem;
    flex-shrink: 0;
}

.ticket-meta {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.meta-item {
    color: var(--text-secondary);
}

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

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

.ticket-section h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.ticket-description,
.ticket-observaciones {
    color: var(--text-primary);
    line-height: 1.8;
    padding: 1rem;
    background: var(--bg-color);
    border-radius: 0.5rem;
}

.observaciones-section {
    border-left: 4px solid var(--primary-color);
}

.admin-section {
    background: #eff6ff;
    border: 1px solid #bfdbfe;
}

.admin-info {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.admin-detail {
    color: var(--text-primary);
}

.admin-detail strong {
    display: inline-block;
    min-width: 100px;
    color: var(--text-secondary);
}

.admin-detail a {
    color: var(--primary-color);
    text-decoration: none;
}

.admin-detail a:hover {
    text-decoration: underline;
}

/* Timeline */
.ticket-timeline {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 0.75rem;
    box-shadow: var(--shadow);
}

.ticket-timeline h3 {
    margin-bottom: 2rem;
}

.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0.5rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: -1.6rem;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: white;
    border: 2px solid var(--border-color);
}

.timeline-item.completed .timeline-marker {
    background: var(--success-color);
    border-color: var(--success-color);
}

.timeline-content strong {
    display: block;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.timeline-content small {
    color: var(--text-secondary);
}

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

.text-center {
    text-align: center;
}

/* Responsive */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .main-nav {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .dashboard-header,
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .ticket-header-info {
        flex-direction: column;
    }
    
    .ticket-badges {
        width: 100%;
        justify-content: flex-start;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
}