/**
 * Estilos del calendario de reservas (Frontend)
 * 
 * @package Developer_Booking_Plugin
 * @since 1.0.0
 */

/* ==========================================================================
   Variables y Reset
   ========================================================================== */
:root {
    --dbp-primary: #2563eb;
    --dbp-primary-hover: #1d4ed8;
    --dbp-secondary: #64748b;
    --dbp-success: #22c55e;
    --dbp-warning: #f59e0b;
    --dbp-danger: #ef4444;
    --dbp-light: #f8fafc;
    --dbp-dark: #1e293b;
    --dbp-border: #e2e8f0;
    --dbp-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --dbp-radius: 8px;
}

/* ==========================================================================
   Contenedor Principal
   ========================================================================== */
.dbp-booking-wrapper {
    max-width: 700px;
    margin: 2rem auto;
    padding: 2rem;
    background: #fff;
    border-radius: var(--dbp-radius);
    box-shadow: var(--dbp-shadow);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
}

/* ==========================================================================
   Header
   ========================================================================== */
.dbp-header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--dbp-border);
}

.dbp-header h2 {
    margin: 0 0 0.5rem;
    font-size: 1.75rem;
    color: var(--dbp-dark);
}

.dbp-subtitle {
    margin: 0;
    color: var(--dbp-secondary);
    font-size: 1rem;
}

/* ==========================================================================
   Mensajes
   ========================================================================== */
.dbp-messages {
    padding: 1rem;
    border-radius: var(--dbp-radius);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.dbp-messages.dbp-success {
    background: #dcfce7;
    color: #166534;
    border: 1px solid #86efac;
}

.dbp-messages.dbp-error {
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}

/* ==========================================================================
   Steps
   ========================================================================== */
.dbp-step {
    margin-bottom: 2rem;
}

.dbp-step-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.dbp-step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--dbp-primary);
    color: #fff;
    border-radius: 50%;
    font-weight: 600;
    font-size: 0.875rem;
}

.dbp-step-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--dbp-dark);
}

/* ==========================================================================
   Calendario
   ========================================================================== */
.dbp-calendar-wrapper {
    margin-bottom: 1rem;
}

.dbp-calendar-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding: 0.5rem;
}

.dbp-nav-btn {
    background: var(--dbp-light);
    border: 1px solid var(--dbp-border);
    padding: 0.5rem 1rem;
    border-radius: var(--dbp-radius);
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--dbp-dark);
    transition: all 0.2s ease;
}

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

.dbp-current-month {
    font-weight: 600;
    font-size: 1.125rem;
    color: var(--dbp-dark);
}

.dbp-calendar {
    border: 1px solid var(--dbp-border);
    border-radius: var(--dbp-radius);
    overflow: hidden;
}

.dbp-calendar-header {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    background: var(--dbp-primary);
    color: #fff;
}

.dbp-day-name {
    padding: 0.75rem 0.5rem;
    text-align: center;
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
}

.dbp-calendar-body {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 1px;
    background: var(--dbp-border);
}

.dbp-calendar-day {
    background: #fff;
    padding: 0.75rem;
    text-align: center;
    min-height: 45px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.9rem;
}

.dbp-calendar-day:hover:not(.dbp-day-disabled):not(.dbp-day-empty) {
    background: var(--dbp-primary);
    color: #fff;
}

.dbp-calendar-day.dbp-day-empty {
    background: var(--dbp-light);
    cursor: default;
}

.dbp-calendar-day.dbp-day-disabled {
    color: #ccc;
    cursor: not-allowed;
    background: var(--dbp-light);
}

.dbp-calendar-day.dbp-day-today {
    font-weight: 700;
    border: 2px solid var(--dbp-primary);
}

.dbp-calendar-day.dbp-day-selected {
    background: var(--dbp-primary);
    color: #fff;
}

/* ==========================================================================
   Información seleccionada
   ========================================================================== */
.dbp-selected-info {
    padding: 1rem;
    background: var(--dbp-light);
    border-radius: var(--dbp-radius);
    margin-top: 1rem;
}

.dbp-selected-info strong {
    color: var(--dbp-dark);
}

/* ==========================================================================
   Time Slots
   ========================================================================== */
.dbp-time-slots {
    display: grid;
    gap: 0.75rem;
}

.dbp-time-slot {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
    border: 2px solid var(--dbp-border);
    border-radius: var(--dbp-radius);
    cursor: pointer;
    transition: all 0.2s ease;
}

.dbp-time-slot:hover:not(.dbp-slot-pending) {
    border-color: var(--dbp-primary);
    background: rgba(37, 99, 235, 0.05);
}

.dbp-time-slot.dbp-slot-selected {
    border-color: var(--dbp-primary);
    background: var(--dbp-primary);
    color: #fff;
}

.dbp-time-slot.dbp-slot-pending {
    border-color: var(--dbp-warning);
    background: rgba(245, 158, 11, 0.1);
    cursor: pointer;
}

.dbp-slot-time {
    font-weight: 600;
    font-size: 1rem;
}

.dbp-slot-status {
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-weight: 500;
}

.dbp-slot-available .dbp-slot-status {
    background: #dcfce7;
    color: #166534;
}

.dbp-slot-pending .dbp-slot-status {
    background: #fef3c7;
    color: #92400e;
}

.dbp-slot-selected .dbp-slot-status {
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
}

/* ==========================================================================
   Leyenda
   ========================================================================== */
.dbp-legend {
    display: flex;
    gap: 1.5rem;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--dbp-border);
    flex-wrap: wrap;
}

.dbp-legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--dbp-secondary);
}

.dbp-legend-color {
    width: 16px;
    height: 16px;
    border-radius: 4px;
}

.dbp-legend-color.dbp-available {
    background: #dcfce7;
    border: 1px solid #86efac;
}

.dbp-legend-color.dbp-pending {
    background: #fef3c7;
    border: 1px solid #fcd34d;
}

.dbp-legend-color.dbp-blocked {
    background: #fef2f2;
    border: 1px solid #fca5a5;
}

/* ==========================================================================
   Formulario
   ========================================================================== */
.dbp-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.dbp-booking-summary {
    background: var(--dbp-light);
    padding: 1.25rem;
    border-radius: var(--dbp-radius);
    margin-bottom: 0.5rem;
}

.dbp-booking-summary h4 {
    margin: 0 0 0.75rem;
    color: var(--dbp-dark);
    font-size: 1rem;
}

.dbp-booking-summary p {
    margin: 0.5rem 0;
    font-size: 0.9rem;
}

.dbp-form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.dbp-form-group label {
    font-weight: 500;
    color: var(--dbp-dark);
    font-size: 0.9rem;
}

.dbp-form-group label .required {
    color: var(--dbp-danger);
}

.dbp-form-group input,
.dbp-form-group select,
.dbp-form-group textarea {
    padding: 0.75rem 1rem;
    border: 1px solid var(--dbp-border);
    border-radius: var(--dbp-radius);
    font-size: 1rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

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

.dbp-form-group select {
    cursor: pointer;
}

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

/* ==========================================================================
   Checkbox Group
   ========================================================================== */
.dbp-checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.dbp-service-category {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.dbp-service-category h4 {
    margin: 0;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--dbp-dark);
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--dbp-border);
}

.dbp-service-description {
    margin: 0.25rem 0 0.75rem;
    font-size: 0.85rem;
    color: var(--dbp-secondary);
    font-style: italic;
}

.dbp-service-options {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-left: 0.5rem;
}

.dbp-checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    padding: 0.75rem;
    border-radius: 4px;
    transition: all 0.2s ease;
    border: 2px solid transparent;
    background-color: #f9fafb;
}

.dbp-checkbox-label:hover {
    background-color: var(--dbp-light);
}

.dbp-checkbox-label input[type="checkbox"]:checked {
    accent-color: var(--dbp-primary);
}

.dbp-checkbox-label input[type="checkbox"]:checked ~ span {
    font-weight: 600;
    color: var(--dbp-primary);
}

.dbp-checkbox-label:has(input[type="checkbox"]:checked) {
    background-color: rgba(37, 99, 235, 0.08);
    border-color: var(--dbp-primary);
}

.dbp-checkbox-label:hover {
    background-color: var(--dbp-light);
}

.dbp-service-checkbox {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--dbp-primary);
    flex-shrink: 0;
    margin: 0;
    padding: 0;
    appearance: auto;
    -webkit-appearance: checkbox;
    -moz-appearance: checkbox;
    position: relative;
    z-index: 1;
}

.dbp-checkbox-label span {
    font-size: 0.9rem;
    color: var(--dbp-dark);
    user-select: none;
}

/* ==========================================================================
   Botones
   ========================================================================== */
.dbp-form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.dbp-btn {
    padding: 0.875rem 1.5rem;
    border-radius: var(--dbp-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.dbp-btn-primary {
    background: var(--dbp-primary);
    color: #fff;
    flex: 1;
}

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

.dbp-btn-secondary {
    background: var(--dbp-light);
    color: var(--dbp-dark);
    border: 1px solid var(--dbp-border);
}

.dbp-btn-secondary:hover {
    background: var(--dbp-border);
}

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

/* ==========================================================================
   Loading / Spinner
   ========================================================================== */
.dbp-loading {
    text-align: center;
    padding: 2rem;
    color: var(--dbp-secondary);
}

.dbp-spinner {
    display: inline-block;
    width: 24px;
    height: 24px;
    border: 3px solid var(--dbp-border);
    border-top-color: var(--dbp-primary);
    border-radius: 50%;
    animation: dbp-spin 0.8s linear infinite;
    margin-right: 0.5rem;
    vertical-align: middle;
}

.dbp-spinner-small {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: dbp-spin 0.8s linear infinite;
}

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

/* ==========================================================================
   Paso de éxito
   ========================================================================== */
.dbp-step-success {
    text-align: center;
    padding: 3rem 2rem;
}

.dbp-success-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: var(--dbp-success);
    color: #fff;
    border-radius: 50%;
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.dbp-step-success h3 {
    margin: 0 0 1rem;
    font-size: 1.5rem;
    color: var(--dbp-dark);
}

.dbp-success-message {
    color: var(--dbp-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 600px) {
    .dbp-booking-wrapper {
        margin: 1rem;
        padding: 1.25rem;
    }
    
    .dbp-header h2 {
        font-size: 1.5rem;
    }
    
    .dbp-calendar-nav {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .dbp-nav-btn {
        width: 100%;
    }
    
    .dbp-legend {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .dbp-form-actions {
        flex-direction: column;
    }
    
    .dbp-btn-secondary {
        order: 2;
    }
}