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

:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --success-color: #059669;
    --danger-color: #dc2626;
    --warning-color: #f59e0b;
    --bg-color: #f3f4f6;
    --card-bg: #ffffff;
    --text-color: #1f2937;
    --border-color: #e5e7eb;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

/* Navbar */
.navbar {
    background-color: var(--card-bg);
    box-shadow: var(--shadow);
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-brand h1 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-family: 'Cinzel', serif;
    font-weight: 900;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.nav-menu {
    list-style: none;
    display: flex;
    gap: 2rem;
}

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

.nav-link:hover,
.nav-link.active {
    background-color: var(--primary-color);
    color: white;
}

/* Container */
.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 2rem;
}

/* Sections */
.section {
    display: none;
}

.section.active {
    display: block;
    animation: fadeIn 0.3s;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

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

.section-header h2 {
    font-size: 2rem;
    color: var(--text-color);
}

/* Acciones en cabecera de reservas (desktop y móvil) */
.reservas-header-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* 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: 0.5rem;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--primary-color);
}

.stat-card.success {
    border-left-color: var(--success-color);
}

.stat-card.alert {
    border-left-color: var(--danger-color);
}

.stat-card h3 {
    font-size: 0.875rem;
    color: #6b7280;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

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

.stat-subtext {
    font-size: 0.875rem;
    color: #6b7280;
    margin-top: 0.25rem;
}

/* Buttons */
.btn {
    padding: 0.625rem 1.25rem;
    border: none;
    border-radius: 0.375rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.875rem;
}

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

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

.btn-secondary {
    background-color: #6b7280;
    color: white;
}

.btn-secondary:hover {
    background-color: #4b5563;
}

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

.btn-success:hover {
    background-color: #047857;
}

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

.btn-info {
    background-color: #3b82f6;
    color: white;
}

.btn-info:hover {
    background-color: #2563eb;
}

.btn-small {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
}

/* Tables */
.table-container {
    background: var(--card-bg);
    border-radius: 0.5rem;
    box-shadow: var(--shadow);
    overflow: hidden;
}

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

thead {
    background-color: #f9fafb;
}

th, td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    font-weight: 600;
    color: #374151;
    font-size: 0.875rem;
    text-transform: uppercase;
}

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

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

.badge-success {
    background-color: #d1fae5;
    color: var(--success-color);
}

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

.badge-danger {
    background-color: #fee2e2;
    color: var(--danger-color);
}

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

/* Filters */
.filters {
    margin-bottom: 1.5rem;
    display: flex;
    gap: 0.5rem;
}

/* Checkbox custom style */
input[type="checkbox"] {
    accent-color: var(--success-color);
    cursor: pointer;
}

input[type="checkbox"]:disabled {
    cursor: not-allowed;
    opacity: 0.6;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.3s;
}

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

.modal-content {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 0.5rem;
    box-shadow: var(--shadow-lg);
    max-width: 1000px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
}

.close {
    position: absolute;
    right: 1rem;
    top: 1rem;
    font-size: 1.5rem;
    font-weight: bold;
    color: #9ca3af;
    cursor: pointer;
}

.close:hover {
    color: var(--text-color);
}

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

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.625rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    font-size: 0.875rem;
}

.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-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 2rem;
}

/* Loading */
.loading {
    text-align: center;
    padding: 2rem;
    color: #9ca3af;
}

/* Dashboard sections */
.dashboard-section {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 0.5rem;
    box-shadow: var(--shadow);
    margin-top: 2rem;
}

.dashboard-section h3 {
    margin-bottom: 1rem;
    color: var(--text-color);
}

/* Calendario de Reservas */
.calendar-container {
    background-color: var(--card-bg);
    border-radius: 0.5rem;
    padding: 0.75rem;
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
    padding-bottom: 0.25rem;
    border-bottom: 2px solid var(--border-color);
}

.calendar-header h3 {
    font-size: 1rem;
    color: var(--text-color);
    margin: 0;
}

.calendar-header-main {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.calendar-nav-btn {
    background-color: transparent;
    border: 1px solid var(--border-color);
    border-radius: 999px;
    width: 1.75rem;
    height: 1.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-color);
    font-size: 0.8rem;
    padding: 0;
}

.calendar-nav-btn:hover {
    border-color: var(--primary-color);
    background-color: #eff6ff;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.25rem;
}

.calendar-day-header {
    text-align: center;
    font-weight: 600;
    color: var(--text-color);
    padding: 0.25rem;
    font-size: 0.75rem;
}

.calendar-day {
    aspect-ratio: 1;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    padding: 0.25rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
    background-color: white;
    min-height: 50px;
}

.calendar-day:hover {
    border-color: var(--primary-color);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.15);
    transform: translateY(-2px);
    cursor: pointer;
}

.calendar-day:active {
    transform: translateY(0);
    box-shadow: 0 1px 4px rgba(37, 99, 235, 0.2);
}

.calendar-day.other-month {
    background-color: #f9fafb;
    color: #9ca3af;
    cursor: not-allowed;
}

.calendar-day.other-month:hover {
    transform: none;
    cursor: not-allowed;
}

.calendar-day.today {
    background-color: #eff6ff;
    border-color: var(--primary-color);
    font-weight: 600;
}

.calendar-day-number {
    font-size: 0.75rem;
    font-weight: 500;
    margin-bottom: 0.125rem;
}

.calendar-reservas {
    display: flex;
    flex-direction: column;
    gap: 1px;
    margin-top: 2px;
}

.calendar-reserva-indicator {
    font-size: 0.625rem;
    padding: 1px 2px;
    border-radius: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1px;
}

.calendar-reserva-indicator.comida {
    background-color: #fef3c7;
    color: #92400e;
}

.calendar-reserva-indicator.cena {
    background-color: #dbeafe;
    color: #1e3a8a;
}

/* Tooltip */
.calendar-tooltip {
    position: absolute;
    background-color: #1f2937;
    color: white;
    padding: 0.75rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    z-index: 1000;
    pointer-events: none;
    white-space: nowrap;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    opacity: 0;
    transition: opacity 0.2s;
}

.calendar-tooltip.show {
    opacity: 1;
}

/* Ajustes calendario en pantallas pequeñas (móvil) */
@media (max-width: 640px) {
    /* Navbar en móvil: marca a la izquierda, botón a la derecha */
    .navbar {
        padding: 0.75rem 1rem;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }

    .nav-brand h1 {
        font-size: 1.1rem;
        margin-bottom: 0;
    }

    .nav-menu {
        margin-left: auto;
        gap: 0.5rem;
    }
    .modal-content {
        padding: 1rem;
        width: 100%;
        max-width: 100%;
        max-height: 100vh;
        border-radius: 0;
    }

    .calendar-container {
        max-width: 100%;
        padding: 0.5rem;
        margin-left: 0;
        margin-right: 0;
        font-size: 0.8rem;
    }

    .calendar-header h3 {
        font-size: 0.9rem;
    }

    .calendar-day {
        min-height: 38px;
        padding: 0.15rem;
    }

    .calendar-day-number {
        font-size: 0.7rem;
    }

    .calendar-reserva-indicator {
        font-size: 0.6rem;
    }

    /* Botones de acciones en lista móvil de reservas en una sola línea */
    .reservas-actions-mobile {
        display: flex;
        flex-wrap: nowrap;
        gap: 0.25rem;
        justify-content: flex-start;
        align-items: center;
    }

    .reservas-actions-mobile .btn {
        padding: 0.35rem 0.6rem;
        font-size: 0.7rem;
        white-space: nowrap;
    }

    /* Badge de turno un poco más pequeño en móvil */
    .turno-badge {
        font-size: 0.7rem;
    }

    /* Fecha de la reserva ligeramente más pequeña en móvil */
    .reservas-fecha {
        font-size: 0.8rem;
    }

    /* Enlace de Cerrar Sesión ligeramente más pequeño */
    .nav-link-logout {
        font-size: 0.8rem;
        padding: 0.35rem 0.8rem;
    }
}

.calendar-tooltip-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding-bottom: 0.25rem;
}

.calendar-tooltip-item {
    margin: 0.25rem 0;
}

.calendar-legend {
    display: flex;
    gap: 0.75rem;
    margin-top: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.75rem;
}

.calendar-legend-item {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.calendar-legend-box {
    width: 14px;
    height: 14px;
    border-radius: 3px;
}

.calendar-legend-box.comida {
    background-color: #fef3c7;
    border: 1px solid #fbbf24;
}

.calendar-legend-box.cena {
    background-color: #dbeafe;
    border: 1px solid #3b82f6;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 1rem;
    }
}