/* ==========================================================
   ทรัพย์สินถิ่นคง | Thinkong Assets — style.css
   ========================================================== */

:root {
    --app-height: 100dvh;
    --nav-height: 70px;
    --safe-top: env(safe-area-inset-top, 0px);
    --safe-bottom: env(safe-area-inset-bottom, 0px);
    --accent: #C5A059;
    --ease-sheet: cubic-bezier(0.32, 0.72, 0, 1);
    color-scheme: light;
}
.dark { color-scheme: dark; }

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }

body {
    margin: 0;
    background-color: #f8fafc;
    color: #1e293b;
    font-family: 'Sarabun', 'Noto Sans Thai', system-ui, -apple-system, sans-serif;
    -webkit-font-smoothing: antialiased;
    -webkit-tap-highlight-color: transparent;
    height: var(--app-height);
    width: 100%;
    overflow: hidden;
    position: fixed;
    overscroll-behavior: none;
}
.dark body { background-color: #0B1120; color: #f1f5f9; }

/* ---------- Focus (keyboard only) ---------- */
:focus { outline: none; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 0.75rem; }

/* ---------- Layout ---------- */
#app { height: 100%; display: flex; flex-direction: column; }

#main-view {
    flex: 1;
    height: 100%;
    overflow-y: auto;
    overflow-x: hidden;
    padding-bottom: calc(var(--nav-height) + var(--safe-bottom) + 70px);
    opacity: 0;
    transition: opacity 0.2s ease;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-y: contain;
}
#main-view.loaded { opacity: 1; }

.view-top { padding-top: calc(5rem + var(--safe-top)); }

#header { padding: calc(0.75rem + var(--safe-top)) 1rem 0.75rem; }
#header.header-scrolled { padding-top: calc(0.5rem + var(--safe-top)); padding-bottom: 0.5rem; }

.hide-scrollbar::-webkit-scrollbar { display: none; }
.hide-scrollbar { -ms-overflow-style: none; scrollbar-width: none; }

/* ---------- Glass / header ---------- */
.glass {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border-top: 1px solid rgba(255, 255, 255, 0.5);
}
.dark .glass { background: rgba(11, 17, 32, 0.85); border-top: 1px solid rgba(255, 255, 255, 0.1); }

.header-bg { transition: background-color 0.3s ease, box-shadow 0.3s ease, padding 0.3s ease; }
.header-scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}
.dark .header-scrolled { background: rgba(11, 17, 32, 0.95); border-bottom: 1px solid rgba(255, 255, 255, 0.05); }

#bottom-nav { padding-bottom: var(--safe-bottom); transition: transform 0.3s ease; }
#bottom-nav.nav-hidden { transform: translateY(200%); }

/* ---------- Bottom CTA bar (details) ---------- */
.cta-bar {
    position: absolute;
    left: 0; right: 0;
    bottom: calc(var(--nav-height) + var(--safe-bottom) + 10px);
    z-index: 30;
    display: flex;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0 1rem;
    pointer-events: none;
}
.cta-bar > * { pointer-events: auto; }
.cta-bar:empty { display: none; }

/* ---------- Typography helpers ---------- */
.line-clamp-3 { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.prose p { margin-bottom: 0.8rem; }
.prose strong { color: var(--accent); font-weight: 700; }
.prose ul { list-style-type: disc; padding-left: 1.5rem; margin-top: 0.5rem; }
.material-symbols-rounded { user-select: none; -webkit-user-select: none; }

/* ---------- Horizontal scroller (native snap + mouse momentum) ---------- */
.physics-scroll {
    display: flex;
    gap: 1rem;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    scroll-padding-inline: 1.5rem;
    padding-bottom: 0.75rem;
    cursor: grab;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    overscroll-behavior-x: contain;
}
.physics-scroll::-webkit-scrollbar { display: none; }
.physics-scroll > * { scroll-snap-align: start; flex-shrink: 0; }
.physics-scroll.is-dragging { cursor: grabbing; user-select: none; }
.physics-scroll img { -webkit-user-drag: none; user-select: none; }

/* ---------- Gallery (pointer + spring physics) ---------- */
.gallery { position: absolute; inset: 0; overflow: hidden; touch-action: pan-y; cursor: grab; }
.gallery.is-dragging { cursor: grabbing; }
.gallery-track { display: flex; height: 100%; will-change: transform; transform: translate3d(0, 0, 0); }
.gallery-track > img {
    flex: 0 0 100%;
    width: 100%; height: 100%;
    object-fit: cover;
    user-select: none;
    -webkit-user-drag: none;
    pointer-events: none;
}

.thumb-scroll {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    padding-bottom: 4px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}
.thumb-scroll::-webkit-scrollbar { display: none; }
.thumb-item {
    width: 60px; height: 40px;
    flex-shrink: 0;
    padding: 0;
    border-radius: 8px;
    overflow: hidden;
    opacity: 0.6;
    background: #e5e7eb;
    transition: opacity 0.2s, border-color 0.2s;
    border: 2px solid transparent;
}
.thumb-item.active { opacity: 1; border-color: var(--accent); }
.thumb-item img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- Modal + bottom sheet ---------- */
.modal {
    position: absolute;
    inset: 0;
    z-index: 100;
    visibility: hidden;
    pointer-events: none;
    transition: visibility 0s linear 0.45s;
}
.modal.open { visibility: visible; pointer-events: auto; transition-delay: 0s; }

.modal-backdrop {
    position: absolute; inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    opacity: 0;
    transition: opacity 0.35s ease;
}
.modal.open .modal-backdrop { opacity: 1; }

.sheet {
    position: absolute;
    left: 0; right: 0; bottom: 0;
    height: var(--sheet-h, 60dvh);
    max-height: 92dvh;
    display: flex;
    flex-direction: column;
    background: #fff;
    border-radius: 2.5rem 2.5rem 0 0;
    box-shadow: 0 -20px 50px rgba(0, 0, 0, 0.25);
    transform: translateY(100%);
    transition: transform 0.45s var(--ease-sheet), height 0.45s var(--ease-sheet);
    will-change: transform;
}
.dark .sheet { background: #0f172a; }
.modal.open .sheet { transform: translateY(0); }

.sheet-md  { --sheet-h: 62dvh; }
.sheet-doc { --sheet-h: 75dvh; }
.sheet-lg  { --sheet-h: 85dvh; }

.sheet-body { flex: 1; min-height: 0; overflow-y: auto; overscroll-behavior: contain; padding: 1.5rem; }
.sheet-footer { flex-shrink: 0; padding: 0.75rem 1.5rem calc(1rem + var(--safe-bottom)); }

/* ---------- Toast ---------- */
.toast {
    position: absolute;
    left: 50%;
    bottom: calc(var(--nav-height) + var(--safe-bottom) + 70px);
    z-index: 120;
    transform: translate(-50%, 12px);
    padding: 0.6rem 1rem;
    border-radius: 999px;
    background: #0f172a;
    color: #fff;
    font-size: 0.8rem;
    font-weight: 600;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.dark .toast { background: #f1f5f9; color: #0f172a; }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ---------- Map explorer chips ---------- */
.chip-row { display: flex; gap: 0.5rem; overflow-x: auto; padding: 0 1.5rem; scrollbar-width: none; }
.chip-row::-webkit-scrollbar { display: none; }
.map-chip {
    flex-shrink: 0;
    display: inline-flex; align-items: center; gap: 0.25rem;
    padding: 0.4rem 0.8rem;
    border-radius: 999px;
    font-size: 0.75rem; font-weight: 600;
    background: #f1f5f9; color: #475569;
    border: 1px solid transparent;
    transition: background-color 0.15s, color 0.15s;
}
.dark .map-chip { background: #1e293b; color: #cbd5e1; }
.map-chip.active { background: #1E293B; color: #C5A059; border-color: #C5A059; }
.dark .map-chip.active { background: #C5A059; color: #0B1120; }
.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; }