/* ============================================================
   BASE.CSS — Dimora Sovrana
   Fonte di verità unica per variabili, reset, tipografia,
   componenti condivisi (header, loader, form, back-to-top).
   Caricato da TUTTE le pagine.
   ============================================================ */


/* ------------------------------------------------------------
   1. VARIABILI GLOBALI
   ------------------------------------------------------------ */
:root {
    --font-serif:             'Cormorant Garamond', serif;
    --font-sans:              'Inter', sans-serif;
    --font-display:           'Playfair Display', serif;

    --color-gold:             #E8D7B9;
    --color-gold-strong:      #D9B98C;
    --color-gold-soft:        rgba(233, 215, 185, 0.15);
    --color-gold-soft-strong: rgba(233, 215, 185, 0.25);
    --color-bg:               #0a0a0a;
    --color-text:             #f5f5f5;
}


/* ------------------------------------------------------------
   2. RESET & BASE
   ------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    width: 100%;
}

body {
    font-family: var(--font-sans);
    background-color: var(--color-bg);
    color: var(--color-text);
    letter-spacing: 0.01em;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection      { background: rgba(217, 185, 140, 0.35); color: black; }
::-moz-selection { background: rgba(217, 185, 140, 0.35); color: black; }


/* ------------------------------------------------------------
   3. TIPOGRAFIA
   ------------------------------------------------------------ */
h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 500;
    line-height: 1.2;
}

h1 { font-size: 3rem;   letter-spacing: 0.03em; margin-bottom: 1.5rem; }
h2 { font-size: 2.5rem; color: var(--color-gold); margin-bottom: 1.2rem; }
h3 { font-size: 2rem;   color: #ffffff; margin-bottom: 1rem; }
h4 { font-size: 1.4rem; font-weight: 500; }

/* Utility colori — fonte unica, non duplicare in altri file */
.text-gold        { color: var(--color-gold); }
.text-gold-strong { color: var(--color-gold-strong); }
.border-gold      { border-color: var(--color-gold); }
.bg-gold-soft     { background-color: var(--color-gold-soft); }


/* ------------------------------------------------------------
   4. BOTTONI
   ------------------------------------------------------------ */
button,
.btn {
    background-color: transparent;
    border: 1px solid var(--color-gold);
    color: var(--color-gold);
    padding: 10px 18px;
    border-radius: 6px;
    transition: all 0.25s ease;
    cursor: pointer;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

button:hover,
.btn:hover {
    background-color: var(--color-gold-soft);
    border-color: var(--color-gold-strong);
    color: var(--color-gold-strong);
}

button:active,
.btn:active {
    background-color: var(--color-gold-soft-strong);
    border-color: var(--color-gold-strong);
    transform: scale(0.97);
}

button:disabled,
.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* Versione piena */
.btn-solid {
    background-color: var(--color-gold-strong);
    color: #0a0a0a;
    border-color: var(--color-gold-strong);
}
.btn-solid:hover {
    background-color: var(--color-gold);
    border-color: var(--color-gold);
}

/* Versione bordo oro (pill) */
.btn-gold-border {
    background: transparent;
    color: white;
    border: 1px solid var(--color-gold-strong);
    border-radius: 9999px;
    transition: background 0.25s ease, border-color 0.25s ease;
}
.btn-gold-border:hover {
    border-color: var(--color-gold-soft-strong);
    background: var(--color-gold-soft-strong);
}

/* Focus globale accessibile */
input:focus,
select:focus,
textarea:focus,
button:focus-visible {
    outline: none;
    box-shadow: 0 0 0 4px rgba(233,215,185,0.15);
    border-color: var(--color-gold-strong);
}

button[disabled] { opacity: 0.5; cursor: not-allowed; }


/* ------------------------------------------------------------
   5. LOADER PAGINA GLOBALE
   Fonte unica: rimuovere qualsiasi definizione inline nelle HTML.
   ------------------------------------------------------------ */
#page-loader {
    position: fixed;
    inset: 0;
    background: #0a0a0a;
    z-index: 99999;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.5s ease;
}

#page-loader.visible {
    opacity: 1;
    pointer-events: auto;
}

#page-loader .pl-logo {
    width: 110px;
    height: 110px;
    animation: logoPulse 1.6s ease-in-out infinite;
    filter: drop-shadow(0 0 10px rgba(233, 215, 185, 0.3));
}

#page-loader .pl-text {
    margin-top: 16px;
    color: var(--color-gold);
    font-family: var(--font-sans);
    font-size: 11px;
    letter-spacing: 3px;
    text-transform: uppercase;
    opacity: 0.7;
}

@keyframes logoPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%       { opacity: 0.7; transform: scale(0.97); }
}


/* ------------------------------------------------------------
   6. HEADER CONDIVISO (index.html + eventi.html)
   ------------------------------------------------------------ */
#siteHeader {
    background: transparent !important;
    transform: translateY(-100%);
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.8, 1), opacity 0.3s ease;
    z-index: 1100;
    will-change: transform;
    opacity: 1;
}

#siteHeader.is-visible { transform: translateY(0); }

#siteHeader.header-hidden {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

/* Quando il modale è aperto */
body.modal-open #siteHeader {
    transform: translateY(-100%) !important;
    opacity: 0 !important;
    pointer-events: none !important;
    transition: transform 0.4s ease, opacity 0.3s ease !important;
}

/* Pagine secondarie: header sempre visibile */
body.header-always-visible #siteHeader,
body.header-always-visible #siteHeader.header-hidden,
body.header-always-visible #siteHeader.is-visible {
    transform: translateY(0) !important;
    opacity: 1 !important;
    pointer-events: auto !important;
}

/* Tipografia link header */
#siteHeader a,
#siteHeader button span {
    font-family: var(--font-sans) !important;
    font-weight: 500 !important;
    letter-spacing: 0.02em !important;
    font-size: 0.875rem !important;
}

/* Effetto blur + gradiente header */
.header-effect-layer {
    position: absolute;
    inset: 0;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.4) 50%, rgba(0,0,0,0) 100%);
    backdrop-filter: blur(4px) !important;
    -webkit-backdrop-filter: blur(4px) !important;
    -webkit-mask-image: linear-gradient(to bottom, black 40%, transparent 100%);
    mask-image: linear-gradient(to bottom, black 40%, transparent 100%);
}

.header-effect-layer::after {
    content: "";
    position: absolute;
    inset: 0;
    opacity: 0.05;
    pointer-events: none;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200' viewBox='0 0 200 200'><filter id='n' x='0' y='0'><feTurbulence type='fractalNoise' baseFrequency='0.6' numOctaves='2' stitchTiles='stitch'/></filter><rect width='200' height='200' filter='url(%23n)' opacity='0.25'/></svg>");
}

/* Mobile nav */
#mobileNav {
    height: auto;
    transform: translateY(-100%);
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}
#mobileNav.open { transform: translateY(0); }

/* Mobile link */
.mobile-link {
    font-family: var(--font-display);
    color: white;
    font-size: 1.4rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    transition: all 0.3s ease;
    text-decoration: none;
    display: block;
}
.mobile-link:active {
    color: var(--color-gold);
    transform: scale(0.96);
}


/* ------------------------------------------------------------
   7. BACK TO TOP — condiviso da tutte le pagine
   ------------------------------------------------------------ */
.backtotop-glass {
    background: rgba(255,255,255,0.03);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    border: 1px solid var(--color-gold-soft-strong);
}

#backToTop:not(.opacity-0):hover + span {
    opacity: 1 !important;
    transform: translateX(0) !important;
}


/* ------------------------------------------------------------
   8. SCROLLBAR PERSONALIZZATA (utility — fonte unica)
   ------------------------------------------------------------ */
.scrollbar-none {
    -ms-overflow-style: none;
    scrollbar-width: none;
}
.scrollbar-none::-webkit-scrollbar { display: none; }

.scrollbar-premium::-webkit-scrollbar       { height: 4px; }
.scrollbar-premium::-webkit-scrollbar-track { background: transparent; }
.scrollbar-premium::-webkit-scrollbar-thumb {
    background: var(--color-gold-soft-strong);
    border-radius: 10px;
}


/* ------------------------------------------------------------
   9. ANIMAZIONI SCROLL (.animate-in)
   ------------------------------------------------------------ */
.animate-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
    transition-delay: var(--delay, 0ms);
}
.animate-in.show {
    opacity: 1;
    transform: translateY(0);
}


/* ------------------------------------------------------------
   11. MOBILE NAV ANIMATIONS (usate da components.js)
   ------------------------------------------------------------ */
.animate-slideDown {
    animation: navFadeDown 0.45s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.animate-slideUp {
    animation: navFadeUp 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes navFadeDown {
    from { opacity: 0; transform: translateY(-16px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes navFadeUp {
    from { opacity: 1; transform: translateY(0); }
    to   { opacity: 0; transform: translateY(-16px); }
}
   ------------------------------------------------------------ */

/* Persone selector */
.people-btn,
.people-input {
    height: 44px;
    line-height: 44px;
    box-sizing: border-box;
    border: 1px solid rgba(255,255,255,0.06);
    background: rgba(0,0,0,0.65);
    color: var(--color-text);
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.12s ease, opacity 0.12s ease, transform 0.06s ease;
}

.people-btn {
    width: 48px;
    padding: 0;
    cursor: pointer;
    user-select: none;
}
.people-input {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: textfield;
    text-align: center;
    padding: 0 12px;
    min-width: 64px;
    flex: 1 1 auto;
    margin: 0;
    border-left: none;
    border-right: none;
    border-radius: 0;
}

.left-btn  { border-top-left-radius: 8px;  border-bottom-left-radius: 8px; }
.right-btn { border-top-right-radius: 8px; border-bottom-right-radius: 8px; }

.people-btn:hover  { background: rgba(255,255,255,0.08); }
.people-btn:active { transform: translateY(1px); }

.people-input:focus {
    outline: none;
    box-shadow: 0 0 0 4px rgba(233,215,185,0.15);
    border-color: var(--color-gold-strong);
}

.people-input::-webkit-outer-spin-button,
.people-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

.people-btn[disabled] { opacity: 0.45; cursor: not-allowed; }

/* Validazione form */
.input-error { border-color: #ef4444 !important; box-shadow: 0 0 0 2px #ef4444; }
.error-text  { color: #ef4444; opacity: 1; }

/* Calendario custom */
.date-picker {
    position: absolute;
    z-index: 9999;
    background: #111;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 12px;
    padding: 16px;
    width: 260px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.4);
    opacity: 0;
    transform: translateY(10px) scale(0.98);
    pointer-events: none;
    transition: all 0.25s ease;
}
.date-picker.visible {
    opacity: 1;
    transform: translateY(-4px) scale(1);
    pointer-events: auto;
}
.date-picker-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    color: white;
    font-weight: 600;
}
.date-picker-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 6px;
}
.date-picker-day {
    text-align: center;
    padding: 6px 0;
    font-size: 12px;
    color: #aaa;
}
.date-picker-date {
    text-align: center;
    padding: 8px 0;
    border-radius: 6px;
    cursor: pointer;
    color: white;
    transition: background 0.2s;
}
.date-picker-date:hover    { background: rgba(255,255,255,0.1); }
.date-picker-date.selected { background: var(--color-gold-strong); color: black; }