/* ===================================================
   ÓPTICA UNYVISION — Design System
   =================================================== */

/* --- Variables globales --- */
:root {
 --primary-start: #667eea;
    --primary-end: #764ba2;
    --primary-gradient: linear-gradient(135deg, var(--primary-start) 0%, var(--primary-end) 100%);
    --primary-color: #667eea;
    --primary-dark: #5a6fd8;

    --sidebar-width: 260px;
    --topbar-height: 3.5rem;

    --text-primary: #1a1a2e;
    --text-secondary: #6c757d;
    --text-muted: #9ca3af;

    --bg-body: #f0f2f8;
    --bg-card: #ffffff;
    --bg-card-hover: #fafbff;

    --border-color: #e2e8f0;
    --border-radius: 10px;
    --border-radius-sm: 6px;
    --border-radius-lg: 16px;

 --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 16px rgba(102,126,234,0.12);
    --shadow-lg: 0 8px 32px rgba(102,126,234,0.18);

    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;

    --transition: 0.2s ease;
}

/* --- Reset & Base --- */
*, *::before, *::after {
    box-sizing: border-box;
}

html, body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    font-size: 14px;
 color: var(--text-primary);
    background-color: var(--bg-body);
    margin: 0;
padding: 0;
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

h1 { font-size: 1.6rem; }
h2 { font-size: 1.35rem; }
h3 { font-size: 1.15rem; }

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

a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* --- Buttons globales --- */
.btn {
    font-weight: 500;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition);
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
  gap: 0.4rem;
    white-space: nowrap;
}

.btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.25);
}

.btn-primary {
    background: var(--primary-gradient);
    color: #fff;
    border: none;
}

.btn-primary:hover:not(:disabled) {
    opacity: 0.92;
 transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    color: #fff;
 text-decoration: none;
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-secondary {
 background-color: #6c757d;
    color: #fff;
}

.btn-secondary:hover:not(:disabled) {
    background-color: #5a6268;
    transform: translateY(-1px);
    color: #fff;
}

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

.btn-success:hover:not(:disabled) {
    background-color: #059669;
    transform: translateY(-1px);
    color: #fff;
}

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

.btn-danger:hover:not(:disabled) {
    background-color: #dc2626;
    transform: translateY(-1px);
    color: #fff;
}

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

.btn-warning:hover:not(:disabled) {
    background-color: #d97706;
  color: #fff;
}

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

.btn-info:hover:not(:disabled) {
    background-color: #2563eb;
    color: #fff;
}

.btn-outline-danger {
    background: transparent;
    color: var(--danger);
    border: 1.5px solid var(--danger);
}

.btn-outline-danger:hover:not(:disabled) {
    background-color: var(--danger);
    color: #fff;
}

.btn-sm { padding: 0.3rem 0.7rem; font-size: 0.8rem; }
.btn-lg { padding: 0.65rem 1.4rem; font-size: 1rem; }

/* --- Forms globales --- */
.form-control, .form-select {
    border: 1.5px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 0.5rem 0.85rem;
  font-size: 0.875rem;
    color: var(--text-primary);
    background-color: #fff;
    transition: border-color var(--transition), box-shadow var(--transition);
    width: 100%;
}

.form-control:focus, .form-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.15);
}

.form-control:disabled, .form-select:disabled {
    background-color: #f8f9fa;
    cursor: not-allowed;
    opacity: 0.7;
}

.form-label {
    font-weight: 500;
    font-size: 0.825rem;
    color: var(--text-secondary);
    margin-bottom: 0.35rem;
    display: block;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

/* --- Cards globales --- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition), transform var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    padding: 0.9rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    font-size: 0.9rem;
}

.card-header.bg-primary {
    background: var(--primary-gradient) !important;
    border-color: transparent;
    color: #fff;
}

.card-header.bg-secondary {
    background: linear-gradient(135deg, #4b5563, #374151) !important;
    border-color: transparent;
    color: #fff;
}

.card-header.bg-success {
    background: linear-gradient(135deg, #10b981, #059669) !important;
    border-color: transparent;
    color: #fff;
}

.card-header.bg-warning {
    background: linear-gradient(135deg, #f59e0b, #d97706) !important;
    border-color: transparent;
    color: #fff;
}

.card-header.bg-info {
    background: linear-gradient(135deg, #3b82f6, #2563eb) !important;
    border-color: transparent;
color: #fff;
}

.card-header.bg-dark {
    background: linear-gradient(135deg, #1f2937, #111827) !important;
    border-color: transparent;
    color: #fff;
}

.card-body {
  padding: 1.25rem;
}

/* --- Tables --- */
.table {
    color: var(--text-primary);
    font-size: 0.875rem;
}

.table thead th {
    font-weight: 600;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.85rem 1rem;
    border-bottom: none;
}

.table-dark {
    background: linear-gradient(135deg, #1f2937, #111827);
}

.table-dark th {
    background: transparent;
    color: #e2e8f0;
}

.table tbody td {
  padding: 0.85rem 1rem;
    vertical-align: middle;
    border-color: var(--border-color);
}

.table-hover tbody tr:hover {
    background-color: #f0f4ff;
}

.table-striped tbody tr:nth-of-type(even) {
    background-color: #fafbff;
}

/* --- Badges --- */
.badge {
    font-weight: 600;
    font-size: 0.7rem;
    padding: 0.3em 0.65em;
    border-radius: 20px;
    letter-spacing: 0.03em;
}

.badge.bg-success { background-color: var(--success) !important; }
.badge.bg-danger { background-color: var(--danger) !important; }
.badge.bg-warning { background-color: var(--warning) !important; color: #fff !important; }
.badge.bg-info { background-color: var(--info) !important; }
.badge.bg-secondary { background-color: #6b7280 !important; }

/* --- Alerts --- */
.alert {
    border-radius: var(--border-radius-sm);
    padding: 0.85rem 1.1rem;
    font-size: 0.875rem;
    border-left-width: 4px;
    border: 1px solid transparent;
}

.alert-danger {
    background-color: #fef2f2;
    border-color: var(--danger);
    border-left-color: var(--danger);
    color: #991b1b;
}

.alert-success {
    background-color: #f0fdf4;
    border-color: var(--success);
    border-left-color: var(--success);
    color: #065f46;
}

.alert-warning {
    background-color: #fffbeb;
    border-color: var(--warning);
    border-left-color: var(--warning);
    color: #92400e;
}

.alert-info {
    background-color: #eff6ff;
    border-color: var(--info);
    border-left-color: var(--info);
    color: #1e40af;
}

.alert-secondary {
    background-color: #f9fafb;
    border-color: #d1d5db;
    color: var(--text-secondary);
}

/* --- Modals --- */
.modal-content {
    border: none;
 border-radius: var(--border-radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

.modal-header {
  border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
    padding: 1.1rem 1.5rem;
}

.modal-footer {
    border-top: 1px solid var(--border-color);
padding: 1rem 1.5rem;
    gap: 0.5rem;
}

/* --- Spinner --- */
.spinner-border-sm {
    width: 1rem;
    height: 1rem;
    border-width: 0.15em;
}

/* --- Validation --- */
.valid.modified:not([type=checkbox]) {
    border-color: var(--success) !important;
}

.invalid {
    border-color: var(--danger) !important;
}

.validation-message {
    color: var(--danger);
    font-size: 0.78rem;
margin-top: 0.3rem;
}

/* --- Content area --- */
.content {
    padding-top: 1rem;
}

h1:focus {
 outline: none;
}

/* --- Page header estándar --- */
.page-header {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.page-header h1 {
    margin: 0;
    font-size: 1.5rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-title {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-subtitle {
    margin: 0.25rem 0 0 0;
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 400;
}

/* --- Input groups --- */
.input-group-text {
    background-color: #f0f4ff;
    border: 1.5px solid var(--border-color);
    color: var(--primary-color);
    font-size: 0.875rem;
}

/* --- Scrollbar personalizada --- */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: #c4b5fd;
    border-radius: 3px;
}

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

/* --- Blazor error --- */
.blazor-error-boundary {
    background: #fee2e2;
    border-left: 4px solid var(--danger);
  padding: 1rem 1rem 1rem 3rem;
    color: #991b1b;
    font-size: 0.875rem;
}

.blazor-error-boundary::after {
    content: "Se ha producido un error inesperado.";
}

#blazor-error-ui {
    background: #fffbeb;
    border-top: 2px solid var(--warning);
    bottom: 0;
    box-shadow: 0 -2px 8px rgba(0,0,0,0.1);
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
    font-size: 0.875rem;
    color: #92400e;
}

#blazor-error-ui .dismiss {
    cursor: pointer;
    position: absolute;
    right: 0.75rem;
    top: 0.5rem;
}

.darker-border-checkbox.form-check-input {
    border-color: #929292;
}

/* --- Utilidades --- */
.text-gradient {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.shadow-card { box-shadow: var(--shadow-md); }
.rounded-lg { border-radius: var(--border-radius-lg); }