:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --bg-color: #f3f4f6;
    --card-bg: #ffffff;
    --text-main: #1f2937;
    --text-muted: #6b7280;
    --danger: #ef4444;
    --warning: #f59e0b;
    --success: #10b981;
    --border-radius: 12px;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    margin: 0;
    padding: 20px;
    line-height: 1.5;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

h1 {
    font-size: 2rem;
    font-weight: 700;
    color: #111827;
}

.card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 24px;
    margin-bottom: 24px;
    border: 1px solid rgba(0,0,0,0.05);
}

/* Tabla de Tickets */
.table-responsive {
    overflow-x: auto;
}

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

th, td {
    text-align: left;
    padding: 16px;
    border-bottom: 1px solid #e5e7eb;
}

th {
    background-color: #f9fafb;
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

tr:hover {
    background-color: #f9fafb;
}

/* Status Badges */
.badge {
    padding: 6px 12px;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-open { background-color: #dbeafe; color: #1e40af; }
.badge-closed { background-color: #d1fae5; color: #065f46; }

/* Urgency Lights (Semaforo) */
.urgency-dot {
    height: 12px;
    width: 12px;
    border-radius: 50%;
    display: inline-block;
    margin-right: 8px;
}
.urgency-green { background-color: var(--success); box-shadow: 0 0 8px var(--success); }
.urgency-yellow { background-color: var(--warning); box-shadow: 0 0 8px var(--warning); }
.urgency-red { background-color: var(--danger); box-shadow: 0 0 8px var(--danger); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    border-radius: 8px;
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: background-color 0.2s;
    border: none;
    cursor: pointer;
}

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

.btn-secondary {
    background-color: #ffffff;
    color: var(--text-main);
    border: 1px solid #d1d5db;
}

.btn-secondary:hover {
    background-color: #f3f4f6;
}

/* Forms */
.form-group {
    margin-bottom: 16px;
}
label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}
textarea, input {
    width: 100%;
    padding: 12px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-family: inherit;
    resize: vertical;
}
textarea:focus, input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.ticket-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    border-bottom: 1px solid #e5e7eb;
    padding-bottom: 20px;
    margin-bottom: 20px;
}

.ticket-meta {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.meta-item strong {
    display: block;
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: 4px;
}

.chat-bubble {
    background: #f3f4f6;
    padding: 16px;
    border-radius: 12px;
    margin-bottom: 16px;
}
.chat-meta {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 8px;
    text-align: right;
}