/* ============================================
   LAYOUT - Lu Nibareddu PWA
   ============================================ */

/* === RESET BASE === */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

.hidden {
    display: none !important;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: var(--leading-normal);
    color: var(--text-primary);
    background: var(--bg-app);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* === APP CONTAINER === */
.app-container {
    position: relative;
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
    padding-bottom: calc(var(--nav-height) + var(--safe-area-bottom));
}

/* Desktop: add visual boundary */
@media (min-width: 481px) {
    body {
        background: var(--bg-tertiary, #f0ece6);
    }
    .app-container {
        background: var(--bg-app);
        min-height: 100vh;
        min-height: 100dvh;
        box-shadow: 0 0 40px rgba(0, 0, 0, 0.08);
    }
}

/* === CHROME FADE (progressive blur sotto pillole header/nav) === */
/* Fascia di sfocatura che svanisce verso il centro della view, stile iOS.
   Z-index tra contenuto (auto/0) e pillole header/nav (--z-header/modal).
   pointer-events:none per non bloccare tap sulle card sottostanti.
   Visibile solo in home (body.view-home toggled da App.navigateTo). */
.chrome-fade {
    position: fixed;
    left: 0;
    right: 0;
    pointer-events: none;
    z-index: calc(var(--z-header) - 1);
    backdrop-filter: blur(10px) saturate(1.05);
    -webkit-backdrop-filter: blur(10px) saturate(1.05);
    display: none;
}

body.view-home .chrome-fade {
    display: block;
}

.chrome-fade--top {
    top: 0;
    height: calc(var(--safe-area-top) + 88px);
    mask-image: linear-gradient(to bottom, black 55%, transparent 100%);
    -webkit-mask-image: linear-gradient(to bottom, black 55%, transparent 100%);
}

.chrome-fade--bottom {
    bottom: 0;
    height: calc(var(--safe-area-bottom) + 80px);
    mask-image: linear-gradient(to top, black 55%, transparent 100%);
    -webkit-mask-image: linear-gradient(to top, black 55%, transparent 100%);
}

/* === VIEWS === */
.view {
    display: none;
    flex-direction: column;
    padding-top: var(--safe-area-top);
    opacity: 0;
    transform: translateY(8px);
}

.view.active {
    display: flex;
    opacity: 1;
    transform: translateY(0);
    animation: viewFadeIn var(--duration-normal) var(--ease-out);
}

@keyframes viewFadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* === VIEW HEADER === */
.view-header {
    padding: var(--space-6) var(--space-4) var(--space-4);
    background: transparent;
}

.view-title {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: var(--weight-bold);
    color: var(--text-inverse);
    margin: 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
}

.view-subtitle {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.85);
    margin-top: var(--space-1);
}

/* Template-level: nasconde i TITOLI view per tema "essenziale" (es. Alpine).
   Toggled da branding.js in base a data.show_view_titles.
   Nascondiamo solo .view-title e .view-subtitle: .view-header puo' contenere
   altri elementi (es. .concierge-logo in .concierge-header) che vanno
   preservati. Il padding del view-header viene azzerato quando contiene
   solo testi ora nascosti (cioe' sempre, tranne concierge che ha il logo).
   La filter-bar sticky gestisce gia' la safe-area: qui azzero il padding-top
   della view per evitare doppio conteggio (lo spazio vuoto visibile). */
body.theme-no-view-titles .view-title,
body.theme-no-view-titles .view-subtitle {
    display: none;
}
body.theme-no-view-titles .view-header:not(.concierge-header) {
    padding: 0;
}
body.theme-no-view-titles .view {
    padding-top: 0;
}
/* Concierge view non ha filter-bar (che normalmente gestisce la safe-area):
   manteniamo il padding-top della view per il concierge, cosi' il logo
   resta sotto la Dynamic Island/status bar. */
body.theme-no-view-titles #concierge-view {
    padding-top: var(--safe-area-top);
}

/* === VIEW SPACER (nav clearance) === */
.view-spacer {
    height: calc(var(--nav-height) + var(--safe-area-bottom) + var(--space-4));
    flex-shrink: 0;
}

/* === FILTER BAR === */
.filter-bar {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    background: var(--bg-app);
    padding: var(--space-3) 0;
    padding-top: calc(var(--space-3) + var(--safe-area-top));
    margin-bottom: var(--space-4);
}

.filter-scroll {
    display: flex;
    gap: var(--space-2);
    padding: 0 var(--space-5);
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    scroll-snap-type: x mandatory;
}

.filter-scroll::-webkit-scrollbar {
    display: none;
}

.filter-chip {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    padding: var(--space-2) var(--space-4);
    min-height: 40px;
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--text-inverse);
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-out);
    scroll-snap-align: start;
    white-space: nowrap;
}

.filter-chip:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
}

.filter-chip.active {
    background: var(--bg-secondary);
    border-color: var(--bg-secondary);
    color: var(--brand-brown);
    box-shadow: var(--shadow-float);
}

/* === CARD GRID === */
.card-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
    padding: 0 var(--space-4);
}

/* Card grid always single column within app-container */

/* === SECTION === */
.section-title {
    font-family: var(--font-sans);
    font-size: var(--text-lg);
    font-weight: var(--weight-semibold);
    color: var(--text-primary);
    margin: 0;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-4);
}

.section-link {
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--brand-brown);
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-1) var(--space-2);
    margin: calc(-1 * var(--space-1)) calc(-1 * var(--space-2));
    border-radius: var(--radius-sm);
    transition: background var(--duration-fast) var(--ease-out);
}

.section-link:hover {
    background: rgba(107, 83, 68, 0.08);
}

/* === SCROLLABLE CONTAINERS === */
.featured-scroll {
    display: flex;
    gap: var(--space-4);
    padding: 0 var(--space-4);
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    scroll-snap-type: x mandatory;
    scroll-padding-left: var(--space-4);
}

.featured-scroll::-webkit-scrollbar {
    display: none;
}

/* === UTILITIES === */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

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

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

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

/* === SAFE AREAS === */
@supports (padding-top: env(safe-area-inset-top)) {
    .view {
        padding-top: env(safe-area-inset-top);
    }

    .app-container {
        padding-bottom: calc(var(--nav-height) + env(safe-area-inset-bottom));
    }
}