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

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --success: #16a34a;
    --warning: #eab308;
    --danger: #dc2626;
    --info: #0891b2;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-500: #6b7280;
    --gray-700: #374151;
    --gray-900: #111827;
    --border: #e5e7eb;
    --shadow: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.07);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, sans-serif;
    background: var(--gray-50);
    color: var(--gray-900);
    font-size: 14px;
    line-height: 1.5;
}

/* Navbar */
.navbar {
    background: white;
    padding: 12px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    height: 56px;
}

.nav-brand {
    font-weight: 600;
    font-size: 16px;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-brand i { font-size: 20px; }

.nav-evento {
    font-size: 13px;
    color: var(--gray-700);
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-evento small { color: var(--gray-500); }

.nav-user {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--gray-700);
}
.nav-user i { font-size: 18px; color: var(--primary); }
.nav-user small { color: var(--gray-500); text-transform: capitalize; }
.nav-search-btn { display: inline-flex; align-items: center; gap: 6px; margin-right: 10px; }
.nav-search-shortcut { font-size: 10px; color: var(--gray-500); font-family: monospace; background: var(--gray-100); padding: 1px 4px; border-radius: 3px; }

.nav-user {
    display: flex;
    align-items: center;
    gap: 12px;
}
.nav-user-info {
    display: flex;
    flex-direction: column;
    text-align: right;
    line-height: 1.2;
}
.nav-user-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-900);
}
.nav-user-role {
    font-size: 11px;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}
.nav-user-menu a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    color: var(--gray-700);
    text-decoration: none;
    transition: background 0.15s;
}
.nav-user-menu a:hover {
    background: var(--gray-100);
    color: var(--danger);
}

/* Layout */
.layout {
    display: flex;
    padding-top: 56px;
    min-height: 100vh;
}

.sidebar {
    width: 220px;
    background: white;
    border-right: 1px solid var(--border);
    position: fixed;
    top: 56px; bottom: 0;
    overflow-y: auto;
}

.nav-menu {
    list-style: none;
    padding: 12px 8px;
}

.nav-menu li a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    color: var(--gray-700);
    text-decoration: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.15s;
}

.nav-menu li a:hover { background: var(--gray-100); }
.nav-menu li a.active { background: var(--primary); color: white; }
.nav-menu li a i { font-size: 16px; }

.content {
    margin-left: 220px;
    padding: 24px;
    flex: 1;
    max-width: calc(100vw - 220px);
}

/* Page header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 12px;
}

.page-title {
    font-size: 22px;
    font-weight: 600;
    color: var(--gray-900);
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Cards */
.card {
    background: white;
    border-radius: 8px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    padding: 20px;
    margin-bottom: 20px;
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--gray-900);
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: white;
    border-radius: 8px;
    border: 1px solid var(--border);
    padding: 18px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.stat-info .stat-label {
    font-size: 12px;
    color: var(--gray-500);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.stat-info .stat-value {
    font-size: 26px;
    font-weight: 700;
    color: var(--gray-900);
    margin-top: 4px;
}

.stat-icon {
    width: 44px;
    height: 44px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.stat-icon.bg-primary { background: #dbeafe; color: var(--primary); }
.stat-icon.bg-success { background: #dcfce7; color: var(--success); }
.stat-icon.bg-warning { background: #fef3c7; color: #b45309; }
.stat-icon.bg-danger { background: #fee2e2; color: var(--danger); }
.stat-icon.bg-info { background: #cffafe; color: var(--info); }

/* Forms */
.form-group {
    margin-bottom: 14px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 14px;
}

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid var(--gray-300);
    border-radius: 6px;
    font-size: 14px;
    font-family: inherit;
    background: white;
    transition: border-color 0.15s, box-shadow 0.15s;
}

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

textarea.form-control { min-height: 80px; resize: vertical; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 16px;
    border: 1px solid transparent;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.15s;
    background: white;
    color: var(--gray-700);
    font-family: inherit;
}

.btn:hover { background: var(--gray-100); }

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

.btn-success { background: var(--success); color: white; border-color: var(--success); }
.btn-success:hover { background: #15803d; }

.btn-danger { background: var(--danger); color: white; border-color: var(--danger); }
.btn-danger:hover { background: #b91c1c; }

.btn-warning { background: var(--warning); color: white; border-color: var(--warning); }
.btn-warning:hover { background: #ca8a04; }

.btn-outline { border-color: var(--gray-300); background: white; }

.btn-sm { padding: 5px 10px; font-size: 12px; }

/* Tables */
.table-wrapper { overflow-x: auto; border-radius: 8px; border: 1px solid var(--border); }

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

.table th {
    text-align: left;
    padding: 10px 14px;
    background: var(--gray-50);
    font-size: 12px;
    font-weight: 600;
    color: var(--gray-700);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    border-bottom: 1px solid var(--border);
}

.table td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--gray-100);
    font-size: 13px;
}

.table tr:last-child td { border-bottom: none; }
.table tr:hover { background: var(--gray-50); }

/* Badges */
.badge {
    display: inline-block;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.badge-success { background: #dcfce7; color: #15803d; }
.badge-warning { background: #fef3c7; color: #b45309; }
.badge-danger { background: #fee2e2; color: #b91c1c; }
.badge-info { background: #cffafe; color: #0e7490; }
.badge-secondary { background: var(--gray-200); color: var(--gray-700); }

/* Alerts */
.alert {
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 16px;
    font-size: 14px;
    border: 1px solid transparent;
}

.alert-success { background: #dcfce7; color: #15803d; border-color: #bbf7d0; }
.alert-danger { background: #fee2e2; color: #b91c1c; border-color: #fecaca; }
.alert-warning { background: #fef3c7; color: #b45309; border-color: #fde68a; }

/* Actions */
.actions { display: flex; gap: 6px; }

/* Filters */
.filters {
    display: flex;
    gap: 10px;
    margin-bottom: 16px;
    flex-wrap: wrap;
    align-items: center;
}

.filters .form-control { max-width: 200px; }

/* Empty state */
.empty {
    text-align: center;
    padding: 40px 20px;
    color: var(--gray-500);
}

.empty i {
    font-size: 42px;
    margin-bottom: 10px;
    display: block;
    color: var(--gray-300);
}

/* Breadcrumb */
.breadcrumb {
    font-size: 13px;
    color: var(--gray-500);
    margin-bottom: 8px;
}

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

.breadcrumb a:hover { text-decoration: underline; }

/* Responsive */
@media (max-width: 768px) {
    .sidebar { width: 60px; }
    .sidebar .nav-menu li a span { display: none; }
    .content { margin-left: 60px; max-width: calc(100vw - 60px); }
    .nav-menu li a { justify-content: center; padding: 12px; }
    .nav-menu li a i { font-size: 18px; }
}

/* Grid cartones visual */
.cartones-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
    gap: 6px;
    margin-top: 12px;
}

.carton-cell {
    padding: 10px 4px;
    text-align: center;
    border-radius: 4px;
    font-weight: 600;
    font-size: 12px;
    border: 1px solid var(--border);
    cursor: pointer;
    transition: transform 0.1s;
}

.carton-cell:hover { transform: scale(1.05); }
.carton-cell.disponible { background: var(--gray-100); color: var(--gray-500); }
.carton-cell.entregado { background: #fef3c7; color: #b45309; border-color: #fde68a; }
.carton-cell.pagado { background: #dcfce7; color: #15803d; border-color: #bbf7d0; }
.carton-cell.devuelto { background: #cffafe; color: #0e7490; border-color: #a5f3fc; }
.carton-cell.anulado { background: #fee2e2; color: #b91c1c; border-color: #fecaca; }

/* Autocompletado */
.autocomplete { position: relative; }
.ac-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border: 1px solid var(--gray-300);
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.12);
    max-height: 280px;
    overflow-y: auto;
    z-index: 1000;
    display: none;
    margin-top: 2px;
}
.ac-item {
    padding: 9px 12px;
    cursor: pointer;
    font-size: 13px;
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
}
.ac-item:last-child { border-bottom: none; }
.ac-item:hover, .ac-item.ac-highlight { background: var(--primary); color: white; }
.ac-item.ac-highlight .ac-badge { opacity: 0.85; }
.ac-item.ac-empty, .ac-item.ac-error {
    color: var(--gray-500);
    cursor: default;
    font-style: italic;
    justify-content: center;
}
.ac-item.ac-empty:hover, .ac-item.ac-error:hover { background: transparent; color: var(--gray-500); }
.ac-badge {
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 600;
    text-transform: uppercase;
    background: var(--gray-200);
    color: var(--gray-700);
}
.badge-disponible { background: var(--gray-200); color: var(--gray-700); }
.badge-entregado { background: #fef3c7; color: #b45309; }
.badge-pagado { background: #dcfce7; color: #15803d; }
.badge-devuelto { background: #cffafe; color: #0e7490; }
.badge-anulado { background: #fee2e2; color: #b91c1c; }

/* Paginación */
.pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 16px;
    padding: 12px 4px;
    flex-wrap: wrap;
    gap: 10px;
}
.pagination-info {
    font-size: 13px;
    color: var(--gray-500);
}
.pagination-nav {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
}
.pagination-nav .btn {
    min-width: 36px;
    justify-content: center;
}

/* Vista grid visual */
.grid-visual {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(58px, 1fr));
    gap: 4px;
    padding: 10px 0;
    max-height: 70vh;
    overflow-y: auto;
}
.grid-cell {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 6px 2px;
    text-align: center;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    text-decoration: none;
    border: 1px solid transparent;
    transition: transform 0.08s, box-shadow 0.08s;
    word-break: break-all;
    line-height: 1.1;
}
.grid-cell:hover {
    transform: scale(1.12);
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    z-index: 2;
    position: relative;
}
.grid-cell.grid-disponible { background: #f3f4f6; color: #6b7280; border-color: #e5e7eb; }
.grid-cell.grid-entregado { background: #fef3c7; color: #b45309; border-color: #fde68a; }
.grid-cell.grid-pagado { background: #dcfce7; color: #15803d; border-color: #bbf7d0; }
.grid-cell.grid-devuelto { background: #cffafe; color: #0e7490; border-color: #a5f3fc; }
.grid-cell.grid-anulado { background: #fee2e2; color: #b91c1c; border-color: #fecaca; }

.grid-legend {
    display: inline-block;
    width: 14px;
    height: 14px;
    border-radius: 3px;
    vertical-align: middle;
    margin-right: 4px;
    border: 1px solid rgba(0,0,0,0.1);
}
.grid-legend.grid-disponible { background: #f3f4f6; }
.grid-legend.grid-entregado { background: #fef3c7; }
.grid-legend.grid-pagado { background: #dcfce7; }
.grid-legend.grid-devuelto { background: #cffafe; }
.grid-legend.grid-anulado { background: #fee2e2; }