/* ============================================
   SISTEMA DE RESERVA - DISEÑO MODERNO 2026
   Inspirado en tendencias: Glassmorphism, 
   Vibe Design, Data Hierarchy
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
    /* Paleta Principal - Modo Claro Moderno */
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f5f9;

    /* Colores de Acento */
    --primary: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --primary-glow: rgba(99, 102, 241, 0.15);

    --secondary: #06b6d4;
    --secondary-light: #22d3ee;
    --secondary-dark: #0891b2;

    --success: #10b981;
    --success-light: #34d399;
    --success-glow: rgba(16, 185, 129, 0.15);

    --warning: #f59e0b;
    --warning-light: #fbbf24;
    --warning-glow: rgba(245, 158, 11, 0.15);

    --danger: #ef4444 !important;
    --danger-light: #f87171 !important;
    --danger-glow: rgba(239, 68, 68, 0.15);

    /* Texto */
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-tertiary: #94a3b8;
    --text-inverse: #ffffff;

    /* Bordes y Superficies */
    --border-light: #e2e8f0;
    --border-medium: #cbd5e1;
    --surface: rgba(255, 255, 255, 0.8);
    --surface-hover: rgba(255, 255, 255, 0.95);

    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.15);

    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.3);
    --glass-backdrop: blur(20px);

    /* Radios de Borde */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Transiciones */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
}

/* ============================================
   RESET Y BASE
   ============================================ */

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Background gradient sutil */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 0% 0%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 100% 100%, rgba(6, 182, 212, 0.08) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    display: block;
}

button,
input,
select,
textarea {
    font: inherit;
}

button {
    color: inherit;
}

/* Excepción para botones con clase btn */
button.btn,
a.btn,
input.btn {
    color: inherit;
}

/* Forzar colores para botones con clases de color */
button.btn-danger,
a.btn-danger,
input.btn-danger {
    color: #ffffff !important;
}

button.btn-primary,
a.btn-primary,
input.btn-primary {
    color: #ffffff !important;
}

button.btn-success,
a.btn-success,
input.btn-success {
    color: #ffffff !important;
}

button.btn-warning,
a.btn-warning,
input.btn-warning {
    color: #ffffff !important;
}

/* ============================================
   LAYOUT PRINCIPAL
   ============================================ */

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

/* ============================================
   HEADER / NAVEGACIÓN
   ============================================ */

.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    -webkit-backdrop-filter: var(--glass-backdrop);
    border-bottom: 1px solid var(--border-light);
    padding: var(--spacing-md) 0;
    transition: var(--transition-base);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-xl);
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
    transition: var(--transition-base);
}

.logo:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.nav {
    display: flex;
    gap: var(--spacing-xs);
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
    font-weight: 500;
    font-size: 0.9375rem;
    white-space: nowrap;
}

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

.nav-link.active {
    background: var(--primary);
    color: var(--text-inverse);
}

/* ============================================
   BOTONES
   ============================================ */

/* Reset de colores para todos los botones con clase btn-danger */
button.btn-danger,
a.btn-danger,
input.btn-danger {
    background: linear-gradient(135deg, var(--danger), var(--danger-dark)) !important;
    color: #ffffff !important;
}

button.btn-danger:hover,
a.btn-danger:hover,
input.btn-danger:hover {
    background: linear-gradient(135deg, var(--danger-dark), #b91c1c) !important;
    color: #ffffff !important;
}

button.btn-primary,
a.btn-primary,
input.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark)) !important;
    color: #ffffff !important;
}

button.btn-success,
a.btn-success,
input.btn-success {
    background: linear-gradient(135deg, var(--success), var(--success-dark)) !important;
    color: #ffffff !important;
}

button.btn-warning,
a.btn-warning,
input.btn-warning {
    background: linear-gradient(135deg, var(--warning), var(--warning-dark)) !important;
    color: #ffffff !important;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-base);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), transparent);
    opacity: 0;
    transition: var(--transition-base);
}

.btn:hover::before {
    opacity: 1;
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark)) !important;
    color: #ffffff !important;
    box-shadow: 0 4px 12px var(--primary-glow);
}

.btn-primary:hover {
    box-shadow: 0 6px 20px var(--primary-glow);
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background: var(--border-light) !important;
}

.btn-success {
    background: linear-gradient(135deg, var(--success), var(--success-dark)) !important;
    color: #ffffff !important;
    box-shadow: 0 4px 12px var(--success-glow);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger), var(--danger-dark)) !important;
    color: #ffffff !important;
    box-shadow: 0 4px 12px var(--danger-glow);
}

.btn-danger:hover {
    background: linear-gradient(135deg, var(--danger-dark), #b91c1c) !important;
    color: #ffffff !important;
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning), var(--warning-dark)) !important;
    color: #ffffff !important;
    box-shadow: 0 4px 12px var(--warning-glow);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}

.btn-ghost:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    border-radius: var(--radius-sm);
}

/* Forzar estilos para botones danger dentro de tablas */
.table .btn-danger,
table .btn-danger {
    background: linear-gradient(135deg, var(--danger), var(--danger-dark)) !important;
    color: #ffffff !important;
    border: none !important;
}

.table .btn-danger:hover,
table .btn-danger:hover {
    background: linear-gradient(135deg, var(--danger-dark), #b91c1c) !important;
    color: #ffffff !important;
}

/* Forzar estilos para botones primarios dentro de tablas */
.table .btn-primary,
table .btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark)) !important;
    color: #ffffff !important;
    border: none !important;
}

/* Forzar estilos para botones secundarios dentro de tablas */
.table .btn-secondary,
table .btn-secondary {
    background: var(--bg-tertiary) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-light) !important;
}

/* Forzar estilos para botones success */
.table .btn-success,
table .btn-success {
    background: linear-gradient(135deg, var(--success), var(--success-dark)) !important;
    color: #ffffff !important;
}

/* Forzar estilos para botones warning */
.table .btn-warning,
table .btn-warning {
    background: linear-gradient(135deg, var(--warning), var(--warning-dark)) !important;
    color: #ffffff !important;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.0625rem;
    border-radius: var(--radius-lg);
}

.btn-block {
    width: 100%;
}

.btn-icon {
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    aspect-ratio: 1;
}

/* ============================================
   CARDS
   ============================================ */

.card {
    background: var(--surface);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8), transparent);
}

.card:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--border-medium);
}

.card-header {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-light);
}

.card-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.card-subtitle {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

/* Stat Cards */
.stat-card {
    text-align: center;
    padding: var(--spacing-2xl);
}

.stat-value {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Resource Cards */
.resource-card {
    padding: var(--spacing-2xl);
    text-align: center;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition-base);
}

.resource-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.resource-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
}

.resource-title {
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.resource-description {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.5;
}

/* ============================================
   FORMULARIOS
   ============================================ */

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9375rem;
}

.form-hint {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    margin-top: var(--spacing-xs);
}

.form-control {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--bg-secondary);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: var(--transition-fast);
    color: var(--text-primary);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-glow);
    background: var(--surface-hover);
}

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

select.form-control {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 3rem;
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

input[type="checkbox"] {
    width: 1.25rem;
    height: 1.25rem;
    cursor: pointer;
    accent-color: var(--primary);
}

input[type="color"] {
    padding: 0.5rem;
    cursor: pointer;
    border-radius: var(--radius-md);
    height: 50px;
}

/* ============================================
   ALERTAS
   ============================================ */

.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    border-left: 4px solid;
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

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

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

/* ============================================
   TABLAS
   ============================================ */

.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-xl);
    background: var(--surface);
    border: 1px solid var(--border-light);
}

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

.table thead {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--text-inverse);
}

.table thead th {
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: left;
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.table tbody tr {
    border-bottom: 1px solid var(--border-light);
    transition: var(--transition-fast);
}

.table tbody tr:last-child {
    border-bottom: none;
}

.table tbody tr:hover {
    background: var(--primary-glow);
}

.table tbody td {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 0.9375rem;
    color: var(--text-primary);
}

/* ============================================
   GRID SYSTEM
   ============================================ */

.grid {
    display: grid;
    gap: var(--spacing-xl);
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* ============================================
   BADGES / TAGS
   ============================================ */

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.375rem 0.875rem;
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 600;
    white-space: nowrap;
}

.badge-primary {
    background: var(--primary-glow);
    color: var(--primary);
}

.badge-success {
    background: var(--success-glow);
    color: var(--success);
}

.badge-danger {
    background: var(--danger-glow);
    color: var(--danger);
}

.badge-warning {
    background: var(--warning-glow);
    color: var(--warning);
}

.badge-gray {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

/* ============================================
   CALENDARIO
   ============================================ */

.calendar {
    background: var(--surface);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.calendar-header {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--text-inverse);
    padding: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.calendar-nav {
    display: flex;
    gap: var(--spacing-sm);
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
}

.calendar-day-header {
    background: var(--bg-tertiary);
    padding: var(--spacing-md);
    text-align: center;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.calendar-cell {
    min-height: 140px;
    padding: var(--spacing-sm);
    border: 1px solid var(--border-light);
    background: var(--bg-secondary);
    transition: var(--transition-fast);
}

.calendar-cell:hover {
    background: var(--bg-tertiary);
}

.calendar-cell.today {
    background: var(--primary-glow);
    border-color: var(--primary-light);
}

.calendar-cell.other-month {
    opacity: 0.4;
}

/* ============================================
   TIME SLOTS
   ============================================ */

.time-slots {
    display: grid;
    gap: var(--spacing-md);
}

.time-slot {
    padding: var(--spacing-md);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition-base);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-secondary);
}

.time-slot:hover:not(.booked):not(.blocked) {
    border-color: var(--primary);
    background: var(--primary-glow);
    transform: translateX(4px);
}

.time-slot.available {
    border-color: var(--success);
    background: var(--success-glow);
}

.time-slot.booked {
    border-color: var(--danger-light);
    background: var(--danger-glow);
    cursor: not-allowed;
    opacity: 0.7;
}

.time-slot.blocked {
    border-color: var(--warning);
    background: var(--warning-glow);
    cursor: not-allowed;
    opacity: 0.7;
}

.time-slot.past {
    border-color: var(--border-light);
    background: var(--bg-tertiary);
    cursor: not-allowed;
    opacity: 0.5;
}

/* ============================================
   MODAL
   ============================================ */

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-xl);
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--surface);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 1.375rem;
    font-weight: 700;
}

.modal-body {
    padding: var(--spacing-xl);
}

.modal-footer {
    padding: var(--spacing-xl);
    border-top: 1px solid var(--border-light);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
}

.modal-close {
    background: var(--bg-tertiary);
    border: none;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
    color: var(--text-secondary);
}

.modal-close:hover {
    background: var(--danger-glow);
    color: var(--danger);
}

/* ============================================
   LOGIN PAGE
   ============================================ */

.login-container {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: var(--spacing-2xl);
    position: relative;
    overflow: hidden;
}

.login-container::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 20s ease-in-out infinite;
}

.login-container::after {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 25s ease-in-out infinite reverse;
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0);
    }

    50% {
        transform: translate(-30px, -30px);
    }
}

.login-card {
    max-width: 480px;
    width: 100%;
    padding: var(--spacing-2xl);
    background: var(--surface);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    position: relative;
    z-index: 1;
}

.login-title {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    font-size: 1rem;
}

.admin-login-link {
    text-align: center;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-light);
}

.admin-login-link a {
    color: var(--primary);
    font-weight: 600;
    transition: var(--transition-fast);
}

.admin-login-link a:hover {
    color: var(--primary-dark);
}

/* ============================================
   UTILIDADES
   ============================================ */

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

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

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

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

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

.text-success {
    color: var(--success);
}

.text-danger {
    color: var(--danger);
}

.text-warning {
    color: var(--warning);
}

.fw-light {
    font-weight: 300;
}

.fw-normal {
    font-weight: 400;
}

.fw-medium {
    font-weight: 500;
}

.fw-semibold {
    font-weight: 600;
}

.fw-bold {
    font-weight: 700;
}

.fs-sm {
    font-size: 0.875rem;
}

.fs-base {
    font-size: 1rem;
}

.fs-lg {
    font-size: 1.125rem;
}

.fs-xl {
    font-size: 1.25rem;
}

.fs-2xl {
    font-size: 1.5rem;
}

.mt-1 {
    margin-top: var(--spacing-xs);
}

.mt-2 {
    margin-top: var(--spacing-sm);
}

.mt-3 {
    margin-top: var(--spacing-md);
}

.mt-4 {
    margin-top: var(--spacing-lg);
}

.mt-5 {
    margin-top: var(--spacing-xl);
}

.mb-1 {
    margin-bottom: var(--spacing-xs);
}

.mb-2 {
    margin-bottom: var(--spacing-sm);
}

.mb-3 {
    margin-bottom: var(--spacing-md);
}

.mb-4 {
    margin-bottom: var(--spacing-lg);
}

.mb-5 {
    margin-bottom: var(--spacing-xl);
}

.p-1 {
    padding: var(--spacing-xs);
}

.p-2 {
    padding: var(--spacing-sm);
}

.p-3 {
    padding: var(--spacing-md);
}

.p-4 {
    padding: var(--spacing-lg);
}

.p-5 {
    padding: var(--spacing-xl);
}

.hidden {
    display: none;
}

.visible {
    display: block;
}

.flex {
    display: flex;
}

.flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.flex-center {
    display: flex;
    justify-content: center;
    align-items: center;
}

.flex-col {
    flex-direction: column;
}

.gap-1 {
    gap: var(--spacing-xs);
}

.gap-2 {
    gap: var(--spacing-sm);
}

.gap-3 {
    gap: var(--spacing-md);
}

.gap-4 {
    gap: var(--spacing-lg);
}

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

.justify-center {
    justify-content: center;
}

.w-full {
    width: 100%;
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1200px) {
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-xl: 1.5rem;
    }

    .container {
        padding: 0 var(--spacing-md);
    }

    /* Header mejorado para móvil */
    .header {
        padding: var(--spacing-sm) 0;
    }

    .header .container {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .header .logo {
        font-size: 1.25rem;
    }

    .nav {
        flex-wrap: nowrap;
        overflow-x: auto;
        justify-content: flex-start;
        width: 100%;
        padding-bottom: var(--spacing-xs);
        gap: var(--spacing-xs);
        -webkit-overflow-scrolling: touch;
    }

    .nav::-webkit-scrollbar {
        height: 3px;
    }

    .nav::-webkit-scrollbar-track {
        background: transparent;
    }

    .nav::-webkit-scrollbar-thumb {
        background: var(--border-light);
        border-radius: 10px;
    }

    .nav-link {
        white-space: nowrap;
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.8125rem;
        flex-shrink: 0;
    }

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }

    /* Calendario: mantener 5 columnas con scroll horizontal */
    .calendar {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .calendar-grid {
        min-width: 600px;
        /* Forzar ancho mínimo para 5 columnas */
        grid-template-columns: repeat(5, 1fr);
    }

    .calendar-day-header {
        padding: var(--spacing-sm);
        font-size: 0.75rem;
    }

    .calendar-cell {
        min-height: auto;
        padding: var(--spacing-xs);
    }

    .time-slot {
        padding: var(--spacing-xs);
        font-size: 0.75rem;
    }

    .time-slot strong {
        font-size: 0.75rem;
    }

    .stat-value {
        font-size: 2.5rem;
    }

    .modal-content {
        max-width: 100%;
        margin: var(--spacing-md);
    }

    .table-wrapper {
        font-size: 0.875rem;
    }

    .table thead th,
    .table tbody td {
        padding: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .login-card {
        padding: var(--spacing-xl);
    }

    .login-title {
        font-size: 1.75rem;
    }

    .card {
        padding: var(--spacing-lg);
    }

    .btn {
        padding: 0.625rem 1.25rem;
        font-size: 0.875rem;
    }
}

/* ============================================
   ANIMACIONES
   ============================================ */

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.animate-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.animate-spin {
    animation: spin 1s linear infinite;
}

/* ============================================
   SCROLLBAR PERSONALIZADO
   ============================================ */

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border-medium);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

/* ============================================
   ESTADOS DE CARGA
   ============================================ */

.loading {
    position: relative;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 24px;
    height: 24px;
    margin: -12px 0 0 -12px;
    border: 3px solid var(--border-light);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

/* ============================================
   EMPTY STATE
   ============================================ */

.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--text-secondary);
}

.empty-state-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.empty-state-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.empty-state-text {
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-lg);
}

/* ============================================
   QUICK ACTIONS
   ============================================ */

.quick-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.quick-action {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    cursor: pointer;
}

.quick-action:hover {
    background: var(--primary-glow);
    transform: translateX(4px);
}

.quick-action-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    font-size: 1.25rem;
}

.quick-action-content {
    flex: 1;
}

.quick-action-title {
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--text-primary);
}

.quick-action-subtitle {
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

/* ============================================
   RESERVATION ITEMS
   ============================================ */

.reservation-item {
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary);
    transition: var(--transition-base);
}

.reservation-item:hover {
    background: var(--bg-secondary);
    box-shadow: var(--shadow-sm);
}

.reservation-item-title {
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
}

.reservation-item-meta {
    display: flex;
    gap: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ============================================
   FILTER BAR
   ============================================ */

.filter-bar {
    padding: var(--spacing-lg);
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xl);
}

.filter-bar .grid {
    gap: var(--spacing-md);
}

/* ============================================
   PRINT STYLES
   ============================================ */

@media print {

    .header,
    .btn,
    .modal,
    .nav {
        display: none !important;
    }

    body {
        background: white;
    }

    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}

/* ============================================
   OVERRIDE BUTTON COLORS - HIGHEST PRIORITY
   ============================================ */

/* Botones dentro de tablas y formularios */
table button.btn-danger,
.table button.btn-danger,
form button.btn-danger {
    background: linear-gradient(135deg, #ef4444, #dc2626) !important;
    color: #ffffff !important;
    border: none !important;
}

table button.btn-danger:hover,
.table button.btn-danger:hover,
form button.btn-danger:hover {
    background: linear-gradient(135deg, #dc2626, #b91c1c) !important;
    color: #ffffff !important;
}

table a.btn-danger,
.table a.btn-danger {
    background: linear-gradient(135deg, #ef4444, #dc2626) !important;
    color: #ffffff !important;
    border: none !important;
}

table button.btn-primary,
.table button.btn-primary,
form button.btn-primary,
table a.btn-primary,
.table a.btn-primary {
    background: linear-gradient(135deg, #6366f1, #4f46e5) !important;
    color: #ffffff !important;
    border: none !important;
}

table button.btn-secondary,
.table button.btn-secondary,
form button.btn-secondary,
table a.btn-secondary,
.table a.btn-secondary {
    background: #f1f5f9 !important;
    color: #0f172a !important;
    border: 1px solid #e2e8f0 !important;
}

table button.btn-success,
.table button.btn-success,
form button.btn-success {
    background: linear-gradient(135deg, #10b981, #059669) !important;
    color: #ffffff !important;
}

table button.btn-warning,
.table button.btn-warning,
form button.btn-warning {
    background: linear-gradient(135deg, #f59e0b, #d97706) !important;
    color: #ffffff !important;
}

/* Botones dentro de stat cards */
.stat-card .btn-primary,
.stat-card a.btn-primary {
    background: linear-gradient(135deg, #6366f1, #4f46e5) !important;
    color: #ffffff !important;
}

.stat-card .btn-success,
.stat-card a.btn-success {
    background: linear-gradient(135deg, #10b981, #059669) !important;
    color: #ffffff !important;
}

.stat-card .btn-warning,
.stat-card a.btn-warning {
    background: linear-gradient(135deg, #f59e0b, #d97706) !important;
    color: #ffffff !important;
}

.stat-card .btn-danger,
.stat-card a.btn-danger {
    background: linear-gradient(135deg, #ef4444, #dc2626) !important;
    color: #ffffff !important;
}