/**
 * FP Restaurant Reservations - Form Styles
 * Versione Semplificata per form-simple.php
 * 
 * @version 2.0.0
 * @author Francesco
 * @date 2025-01-13
 */

/* ==================== CSS VARIABLES (FRONTEND FORM ONLY) ==================== */

/* 
 * NOTA: Queste variabili sono scoped al frontend form
 * NON sovrascrivono le variabili admin (--fp-primary in admin-manager.css)
 * perché i CSS admin non vengono caricati nel frontend
 */
.fp-resv-simple {
    /* Spacing system - Scala coerente multipli di 4px */
    --fp-form-space-xs: 0.25rem;    /* 4px - micro spacing */
    --fp-form-space-sm: 0.5rem;     /* 8px - tight spacing */
    --fp-form-space-base: 0.75rem;  /* 12px - BASE STANDARD ⭐ */
    --fp-form-space-md: 1rem;       /* 16px - comfortable spacing */
    --fp-form-space-lg: 1.25rem;    /* 20px - large spacing */
    --fp-form-space-xl: 1.5rem;     /* 24px - extra large */
    --fp-form-space-2xl: 2rem;      /* 32px - section spacing */
    
    /* Allineati ai token impostazioni (#formId) — fp-resv-*, con fallback stile legacy */
    --fp-form-primary: var(--fp-resv-primary, #3b82f6);
    --fp-form-primary-dark: var(--fp-resv-primary, #2563eb);
    --fp-form-success: var(--fp-resv-success, #10b981);
    --fp-form-success-dark: var(--fp-resv-success, #059669);
    --fp-form-error: var(--fp-resv-danger, #dc2626);
    --fp-form-error-light: #fef2f2;
    --fp-form-warning: var(--fp-resv-accent, #f59e0b);
    --fp-form-neutral: var(--fp-resv-muted, #6b7280);
    --fp-form-neutral-light: var(--fp-resv-surface-alt, #f3f4f6);
    --fp-form-text: var(--fp-resv-text, #374151);
    --fp-form-text-light: var(--fp-resv-muted, #6b7280);
    
    /* Border & radius */
    --fp-form-border-color: var(--fp-resv-outline, #d1d5db);
    --fp-form-border-radius: var(--fp-resv-radius, 12px);
    --fp-form-border-radius-sm: var(--fp-resv-radius-sm, 8px);
    
    /* Typography */
    --fp-form-font-base: 16px;
    --fp-form-font-sm: 14px;
    --fp-form-font-xs: 12px;
    --fp-form-font-lg: 18px;
    
    /* Z-index scale */
    --fp-form-z-base: 1;
    --fp-form-z-dropdown: 10;
    --fp-form-z-modal: 100;
    --fp-form-z-notice: 1000;
    --fp-form-z-overlay: 10000;
    
    /* Shadows */
    --fp-form-shadow-sm: 0 2px 8px 0 rgba(0, 0, 0, 0.08);
    --fp-form-shadow-md: 0 4px 16px 0 rgba(0, 0, 0, 0.12);
    --fp-form-shadow-focus: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

/* ==================== END CSS VARIABLES ==================== */

/* ==================== ISOLAMENTO FORM SEMPLICE ==================== */

/* ISOLAMENTO FORM SEMPLICE - Previene interferenze da altri CSS */
.fp-resv-simple {
    /* Reset selettivo per isolare il form semplice senza bloccare interazioni */
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif !important;
    box-sizing: border-box !important;
    /* Rimuoviamo all: initial che blocca le interazioni */
}

.fp-resv-simple *,
.fp-resv-simple *::before,
.fp-resv-simple *::after {
    box-sizing: border-box !important;
}

/* Assicuriamo che gli elementi interattivi funzionino correttamente */
.fp-resv-simple button:not(.flatpickr-day),
.fp-resv-simple input,
.fp-resv-simple select,
.fp-resv-simple textarea,
.fp-resv-simple a {
    cursor: pointer !important;
    pointer-events: auto !important;
}

.fp-resv-simple button:disabled:not(.flatpickr-day),
.fp-resv-simple input:disabled,
.fp-resv-simple select:disabled,
.fp-resv-simple textarea:disabled {
    cursor: not-allowed !important;
    pointer-events: auto !important;
}

/* ==================== FINE ==================== */

/* ==================== CALENDARIO FLATPICKR - DATE DISABILITATE ==================== */

/* Calendario: le variabili vengono copiate sul .flatpickr-calendar in apertura (form-simple.js) */
/* Date NON disponibili - Stile minimale e discreto */
.flatpickr-day.flatpickr-disabled {
    background: var(--fp-resv-surface-alt, #f3f4f6) !important;
    color: var(--fp-resv-muted, #9ca3af) !important;
    cursor: not-allowed !important;
    opacity: 0.6;
    /* Previeni completamente il click */
    pointer-events: none !important;
    /* Previeni selezione testo */
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.flatpickr-day.flatpickr-disabled:hover {
    background: var(--fp-resv-divider, #e5e7eb) !important;
    color: var(--fp-resv-muted, #6b7280) !important;
}

/* Date DISPONIBILI - Subtle highlight */
.flatpickr-day:not(.flatpickr-disabled):not(.today):not(.selected) {
    background: var(--fp-resv-surface, #ffffff) !important;
    border: 1px solid var(--fp-resv-outline, #d1d5db) !important;
    color: var(--fp-resv-text, #374151) !important;
    font-weight: 400;
    transition: all 0.15s ease;
}

/* Date DISPONIBILI - Hover: brand (primary) */
.flatpickr-day:not(.flatpickr-disabled):not(.today):not(.selected):hover {
    background: var(--fp-resv-primary-soft, #d1fae5) !important;
    border-color: var(--fp-resv-primary, #10b981) !important;
    color: var(--fp-resv-text, #374151) !important;
    font-weight: 500;
    -webkit-transform: scale(1.05);
    -ms-transform: scale(1.05);
    transform: scale(1.05);
    box-shadow: 0 2px 4px rgba(16, 185, 129, 0.2);
    transition: all 0.2s ease-in-out;
}

/* Data OGGI - Enfatizzata */
.flatpickr-day.today:not(.flatpickr-disabled) {
    background: var(--fp-resv-primary-soft, #dbeafe) !important;
    border: 2px solid var(--fp-resv-primary, #3b82f6) !important;
    color: var(--fp-resv-text, #1e40af) !important;
    font-weight: 700;
}

.flatpickr-day.today:not(.flatpickr-disabled):hover {
    background: var(--fp-resv-primary-soft, #bfdbfe) !important;
    border-color: var(--fp-resv-primary, #2563eb) !important;
}

/* Data SELEZIONATA (brand) */
.flatpickr-day.selected {
    background: var(--fp-resv-button-bg, var(--fp-resv-primary, #10b981)) !important;
    border-color: var(--fp-resv-button-bg, var(--fp-resv-primary, #059669)) !important;
    color: var(--fp-resv-button-text, #ffffff) !important;
    font-weight: 700;
    box-shadow: 0 4px 6px rgba(15, 23, 42, 0.12);
}

.flatpickr-day.selected:hover {
    background: var(--fp-resv-button-bg, var(--fp-resv-primary, #059669)) !important;
    filter: brightness(0.97);
}

/* Loading state per calendario */
.fp-calendar-loading {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--fp-resv-surface, #ffffff);
    padding: 12px;
    border-radius: var(--fp-resv-radius-sm, 8px);
    box-shadow: var(--fp-resv-shadow-sm, 0 4px 12px rgba(15, 23, 42, 0.1));
    font-size: 14px;
    color: var(--fp-resv-muted, #6b7280);
    text-align: center;
    margin-top: 8px;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.fp-calendar-loading::before {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--fp-resv-divider, #e5e7eb);
    border-top-color: var(--fp-resv-primary, #10b981);
    border-radius: 50%;
    /* Prefissi vendor per compatibilità */
    -webkit-animation: fp-spin 0.6s linear infinite;
    animation: fp-spin 0.6s linear infinite;
    /* Performance optimization */
    will-change: transform;
}

@keyframes fp-spin {
    to { 
        -webkit-transform: rotate(360deg);
        -ms-transform: rotate(360deg);
        transform: rotate(360deg); 
    }
}

/* Supporto browser webkit */
@-webkit-keyframes fp-spin {
    to { -webkit-transform: rotate(360deg); }
}

/* Hint date disponibili */
.fp-calendar-hint {
    margin-top: 8px;
    padding: 8px 12px;
    background: #f0fdf4;
    border-left: 3px solid #10b981;
    border-radius: 4px;
    font-size: 13px;
    color: #065f46;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.fp-calendar-hint .fp-hint-icon {
    font-size: 16px;
    flex-shrink: 0;
}

.fp-calendar-hint .fp-hint-text {
    line-height: 1.5;
}

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