:root {
    --wa-accent: #1f6feb;
    --wa-accent-text: #fff;
    --wa-accent-fg: var(--wa-accent);
    --wa-bg: #f4f5f7;
    --wa-surface: #ffffff;
    --wa-surface-2: #eef0f3;
    --wa-border: #d9dde3;
    --wa-text: #1b1f24;
    --wa-muted: #5d6673;
    --wa-success: #1a7f37;
    --wa-danger: #cf222e;
    --wa-warning: #9a6700;
    --wa-shadow: 0 1px 2px rgba(0, 0, 0, .08), 0 2px 8px rgba(0, 0, 0, .06);
    --wa-radius: 10px;
    --wa-topbar-h: 56px;
    --wa-drawer-w: 272px;
    --wa-rail-w: 320px;
    --wa-font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
    color-scheme: light;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --wa-bg: #111317;
        --wa-surface: #1a1d22;
        --wa-surface-2: #23272e;
        --wa-border: #30363d;
        --wa-text: #e6e8eb;
        --wa-muted: #9aa4b1;
        --wa-success: #3fb950;
        --wa-danger: #f85149;
        --wa-warning: #d29922;
        --wa-accent-fg: color-mix(in srgb, var(--wa-accent) 55%, #fff);
        --wa-shadow: 0 1px 2px rgba(0, 0, 0, .4);
        color-scheme: dark;
    }
}

:root[data-theme="dark"] {
    --wa-bg: #111317;
    --wa-surface: #1a1d22;
    --wa-surface-2: #23272e;
    --wa-border: #30363d;
    --wa-text: #e6e8eb;
    --wa-muted: #9aa4b1;
    --wa-success: #3fb950;
    --wa-danger: #f85149;
    --wa-warning: #d29922;
    --wa-accent-fg: color-mix(in srgb, var(--wa-accent) 55%, #fff);
    --wa-shadow: 0 1px 2px rgba(0, 0, 0, .4);
    color-scheme: dark;
}

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

html, body { margin: 0; padding: 0; }
html { scrollbar-gutter: stable; }

body {
    background: var(--wa-bg);
    color: var(--wa-text);
    font-family: var(--wa-font);
    font-size: 15px;
    line-height: 1.5;
    -webkit-text-size-adjust: 100%;
}

a { color: var(--wa-accent-fg); }
img { max-width: 100%; }
img:not([src]), img[src=""] { visibility: hidden; }
:root[data-theme="light"] img.wa-mono { filter: brightness(0) opacity(.72); }
@media (prefers-color-scheme: light) {
    :root:not([data-theme="dark"]) img.wa-mono { filter: brightness(0) opacity(.72); }
}
h1, h2, h3, h4 { line-height: 1.25; margin: 1.2em 0 .5em; }
h1 { font-size: 1.5rem; }
h2 { font-size: 1.2rem; }
h3 { font-size: 1.05rem; }
p { margin: .5em 0; }
hr { border: 0; border-top: 1px solid var(--wa-border); margin: 16px 0; }

.wa-icon { width: 20px; height: 20px; flex: none; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; vertical-align: middle; }
.wa-muted { color: var(--wa-muted); }
.wa-small { font-size: .85em; }
.wa-right { text-align: right; }
.wa-center { text-align: center; }
.wa-nowrap { white-space: nowrap; }
.wa-hidden, [hidden] { display: none !important; }

.wa-skip { position: absolute; left: -9999px; }
.wa-skip:focus { left: 8px; top: 8px; z-index: 100; background: var(--wa-surface); padding: 8px; }

/* Shell */
.wa-topbar {
    position: sticky; top: 0; z-index: 30;
    height: var(--wa-topbar-h);
    display: flex; align-items: center; gap: 4px;
    padding: 0 8px;
    padding-left: max(8px, env(safe-area-inset-left));
    background: var(--wa-accent); color: var(--wa-accent-text);
    box-shadow: var(--wa-shadow);
}
.wa-topbar a, .wa-topbar button { color: inherit; }
.wa-topbar-title { flex: 1; min-width: 0; display: flex; flex-direction: column; padding: 0 6px; }
.wa-title { font-weight: 600; font-size: 1.05rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.wa-subtitle { font-size: .8rem; opacity: .85; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.wa-topbar-actions { display: flex; align-items: center; gap: 4px; }

.wa-iconbtn {
    display: inline-flex; align-items: center; justify-content: center;
    width: 40px; height: 40px; border-radius: 50%;
    border: 0; background: transparent; cursor: pointer; color: inherit; text-decoration: none;
}
.wa-iconbtn:hover { background: rgba(127, 127, 127, .18); }

.wa-drawer {
    position: fixed; z-index: 40; top: 0; bottom: 0; left: 0;
    width: var(--wa-drawer-w); max-width: 85vw;
    background: var(--wa-surface); border-right: 1px solid var(--wa-border);
    overflow-y: auto; overscroll-behavior: contain;
    transform: translateX(-100%); transition: transform .2s ease;
    display: flex; flex-direction: column;
    padding-bottom: env(safe-area-inset-bottom);
}
body.wa-drawer-open .wa-drawer { transform: none; }
.wa-scrim { position: fixed; inset: 0; z-index: 35; background: rgba(0, 0, 0, .45); display: none; }
body.wa-drawer-open .wa-scrim { display: block; }

.wa-brand { display: flex; align-items: center; gap: 12px; padding: 16px; font-weight: 700; color: var(--wa-text); text-decoration: none; border-bottom: 1px solid var(--wa-border); }
.wa-brand img { border-radius: 10px; }
.wa-nav-group { padding: 8px 0; border-bottom: 1px solid var(--wa-border); }
.wa-nav-heading { padding: 6px 16px; font-size: .75rem; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; color: var(--wa-muted); }
.wa-nav-item { display: flex; align-items: center; gap: 14px; padding: 9px 16px; color: var(--wa-text); text-decoration: none; }
.wa-nav-item:hover { background: var(--wa-surface-2); }
.wa-nav-item.active { color: var(--wa-accent-fg); font-weight: 600; background: color-mix(in srgb, var(--wa-accent) 12%, transparent); }
.wa-nav-footer { margin-top: auto; padding: 12px 16px; }
.wa-lang { display: flex; align-items: center; gap: 10px; }
.wa-lang select { flex: 1; }

.wa-layout { display: flex; justify-content: center; gap: 24px; padding: 0 16px; }
.wa-main { flex: 1; min-width: 0; max-width: 960px; padding: 16px 0 32px; }
body.wa-full .wa-layout { padding: 0; gap: 0; }
body.wa-full .wa-main { max-width: none; padding: 0; }
body.wa-full .wa-footer { display: none; }
.wa-rail { display: none; }

@media (min-width: 1024px) {
    .wa-drawer { transform: none; top: var(--wa-topbar-h); z-index: 20; }
    .wa-menu-toggle, .wa-scrim { display: none !important; }
    .wa-layout { margin-left: var(--wa-drawer-w); }
}
@media (min-width: 1400px) {
    .wa-rail { display: block; width: var(--wa-rail-w); flex: none; padding-top: 16px; }
    .wa-rail .wa-ad { position: sticky; top: calc(var(--wa-topbar-h) + 16px); }
    body.wa-full .wa-layout { gap: 16px; padding-right: 16px; }
}
@media (max-width: 599px) {
    .wa-layout { padding: 0 12px; }
}

.wa-footer { margin-top: 32px; padding-top: 16px; border-top: 1px solid var(--wa-border); font-size: .85rem; color: var(--wa-muted); }
.wa-footer a { color: inherit; }

/* Ads */
.wa-ad { margin: 12px 0; min-height: 50px; text-align: center; overflow: hidden; }
.wa-ad-placeholder { display: flex; align-items: center; justify-content: center; min-height: 90px; border: 2px dashed var(--wa-border); border-radius: var(--wa-radius); color: var(--wa-muted); font-size: .8rem; }
.wa-ad-rail.wa-ad-placeholder { min-height: 600px; }

/* Surfaces */
.wa-card { background: var(--wa-surface); border: 1px solid var(--wa-border); border-radius: var(--wa-radius); box-shadow: var(--wa-shadow); padding: 16px; margin: 12px 0; }
.wa-card > :first-child { margin-top: 0; }
.wa-card > :last-child { margin-bottom: 0; }
.wa-card-title { font-weight: 600; margin: 0 0 8px; }
.wa-section-title { font-size: .8rem; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; color: var(--wa-muted); margin: 20px 4px 8px; }

.wa-grid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
.wa-grid-wide { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.wa-tile { display: flex; flex-direction: column; align-items: center; gap: 8px; padding: 14px 10px; background: var(--wa-surface); border: 1px solid var(--wa-border); border-radius: var(--wa-radius); color: var(--wa-text); text-decoration: none; text-align: center; }
.wa-tile:hover { border-color: var(--wa-accent); }
.wa-tile img { width: 64px; height: 64px; object-fit: contain; }
@media (max-width: 599px) {
    .wa-grid { gap: 8px; grid-template-columns: repeat(auto-fill, minmax(104px, 1fr)); }
    .wa-grid-wide { grid-template-columns: 1fr; }
    .wa-tile { padding: 10px 6px; font-size: .85rem; text-align: center; }
    .wa-tile img { width: 44px; height: 44px; }
}

/* Lists */
.wa-list { background: var(--wa-surface); border: 1px solid var(--wa-border); border-radius: var(--wa-radius); overflow: hidden; margin: 12px 0; }
.wa-list-header { padding: 8px 14px; background: var(--wa-surface-2); font-weight: 600; font-size: .85rem; border-bottom: 1px solid var(--wa-border); }
.wa-row { display: flex; align-items: center; gap: 12px; padding: 10px 14px; border-bottom: 1px solid var(--wa-border); color: var(--wa-text); text-decoration: none; min-height: 52px; }
.wa-row:last-child { border-bottom: 0; }
button.wa-row { width: 100%; border-width: 0 0 1px; border-style: solid; border-color: var(--wa-border); background: none; font: inherit; color: var(--wa-text); cursor: pointer; text-align: left; }
button.wa-row:last-child { border-bottom-width: 0; }
button.wa-row:hover { background: var(--wa-surface-2); }
button.wa-row.wa-btn-danger, button.wa-row.wa-btn-danger .wa-row-title { color: var(--wa-danger); }
a.wa-row:hover, label.wa-row:hover { background: var(--wa-surface-2); }
.wa-row-img { width: 40px; height: 40px; object-fit: contain; flex: none; }
.wa-row-img-lg { width: 56px; height: 56px; }
.wa-row-main { flex: 1; min-width: 0; }
.wa-row-title { font-weight: 500; overflow-wrap: anywhere; }
.wa-row-sub { font-size: .85rem; color: var(--wa-muted); overflow-wrap: anywhere; }
.wa-row-end { flex: none; text-align: right; color: var(--wa-muted); font-size: .9rem; }
.wa-row .wa-chevron { color: var(--wa-muted); }
.wa-row.wa-done .wa-row-title { text-decoration: line-through; color: var(--wa-muted); }

.wa-check { width: 22px; height: 22px; accent-color: var(--wa-accent); flex: none; cursor: pointer; }

/* Key/value */
.wa-kv { display: grid; grid-template-columns: minmax(120px, max-content) 1fr; gap: 6px 16px; margin: 0; }
.wa-kv dt { color: var(--wa-muted); }
.wa-kv dd { margin: 0; overflow-wrap: anywhere; }

/* Tables */
.wa-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border: 1px solid var(--wa-border); border-radius: var(--wa-radius); background: var(--wa-surface); margin: 12px 0; }
.wa-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.wa-table th, .wa-table td { padding: 8px 10px; border-bottom: 1px solid var(--wa-border); text-align: left; vertical-align: middle; }
.wa-table th { background: var(--wa-surface-2); font-weight: 600; white-space: nowrap; position: sticky; top: 0; }
.wa-table tr:last-child td { border-bottom: 0; }
.wa-table td.num, .wa-table th.num { text-align: right; font-variant-numeric: tabular-nums; }
.wa-table img { width: 28px; height: 28px; object-fit: contain; vertical-align: middle; }

/* Detail header */
.wa-hero { display: flex; gap: 16px; align-items: center; margin: 8px 0 16px; }
.wa-hero img { width: 96px; height: 96px; object-fit: contain; flex: none; background: var(--wa-surface-2); border-radius: var(--wa-radius); }
.wa-hero h1 { margin: 0; }
.wa-hero-sub { color: var(--wa-muted); }

/* Badges & chips */
.wa-badge { display: inline-flex; align-items: center; gap: 4px; padding: 1px 8px; border-radius: 999px; font-size: .75rem; font-weight: 600; background: var(--wa-surface-2); color: var(--wa-text); border: 1px solid var(--wa-border); white-space: nowrap; }
.wa-badge-accent { background: var(--wa-accent); color: var(--wa-accent-text); border-color: transparent; }
.wa-chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0; }
.wa-chip { display: inline-flex; align-items: center; gap: 6px; padding: 5px 12px; border-radius: 999px; border: 1px solid var(--wa-border); background: var(--wa-surface); color: var(--wa-text); cursor: pointer; font: inherit; font-size: .85rem; text-decoration: none; }
.wa-chip.active, .wa-chip[aria-pressed="true"] { background: var(--wa-accent); color: var(--wa-accent-text); border-color: transparent; }

/* Tabs */
.wa-tabs { display: flex; gap: 2px; overflow-x: auto; border-bottom: 1px solid var(--wa-border); margin: 8px 0 12px; scrollbar-width: thin; }
.wa-tab { padding: 10px 14px; border: 0; background: none; color: var(--wa-muted); font: inherit; font-weight: 600; cursor: pointer; border-bottom: 3px solid transparent; white-space: nowrap; text-decoration: none; }
[data-wa-tabs]:not([data-wa-ready]) + .wa-tabpanel[hidden] { display: block !important; }
.wa-tab.active, .wa-tab[aria-selected="true"], [data-wa-tabs]:not([data-wa-ready]) > .wa-tab:first-child { color: var(--wa-accent-fg); border-bottom-color: var(--wa-accent); }
.wa-tabpanel[hidden] { display: none; }

/* Forms */
.wa-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 9px 16px; border-radius: 8px; border: 1px solid var(--wa-border); background: var(--wa-surface); color: var(--wa-text); font: inherit; font-weight: 600; cursor: pointer; text-decoration: none; }
.wa-btn:hover { background: var(--wa-surface-2); }
.wa-btn-primary { background: var(--wa-accent); color: var(--wa-accent-text); border-color: transparent; }
.wa-btn-primary:hover { background: var(--wa-accent); filter: brightness(1.08); }
.wa-btn-danger { color: var(--wa-danger); }
.wa-btn:disabled { opacity: .5; cursor: default; }
.wa-btn-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }

.wa-input, .wa-select, select, textarea, input[type="text"], input[type="search"], input[type="number"], input[type="email"] {
    font: inherit; color: var(--wa-text); background: var(--wa-surface); border: 1px solid var(--wa-border); border-radius: 8px; padding: 8px 10px; max-width: 100%;
}
.wa-input { width: 100%; }
.wa-field { margin: 12px 0; }
.wa-field > label { display: block; font-weight: 600; margin-bottom: 4px; }

.wa-search { position: relative; margin: 8px 0 12px; }
.wa-search .wa-icon { position: absolute; left: 10px; top: 50%; transform: translateY(-50%); color: var(--wa-muted); }
.wa-search input { width: 100%; padding-left: 38px; }

.wa-toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 8px 0; }
.wa-toolbar .wa-search { flex: 1; min-width: 200px; margin: 0; }

/* Progress */
.wa-progress { height: 8px; border-radius: 999px; background: var(--wa-surface-2); overflow: hidden; }
.wa-progress > span { display: block; height: 100%; background: var(--wa-accent); }

/* Empty, toast, dialog */
.wa-empty { padding: 32px 16px; text-align: center; color: var(--wa-muted); }
.wa-toast { position: fixed; left: 50%; bottom: calc(24px + env(safe-area-inset-bottom)); transform: translateX(-50%); z-index: 60; max-width: min(92vw, 520px); padding: 12px 18px; border-radius: 10px; background: #222; color: #fff; box-shadow: 0 4px 16px rgba(0, 0, 0, .3); }
dialog.wa-dialog { border: 1px solid var(--wa-border); border-radius: 14px; background: var(--wa-surface); color: var(--wa-text); padding: 20px; max-width: min(92vw, 560px); width: 100%; }
dialog.wa-dialog::backdrop { background: rgba(0, 0, 0, .5); }

/* Rich content (guides, html from app resources) */
.wa-content img { height: auto; border-radius: 6px; }
.wa-content table { border-collapse: collapse; }
.wa-content td, .wa-content th { border: 1px solid var(--wa-border); padding: 4px 8px; }

/* Map */
.wa-map { height: calc(100vh - var(--wa-topbar-h) - 120px); min-height: 360px; border-radius: var(--wa-radius); overflow: hidden; border: 1px solid var(--wa-border); background: #000; }
body.wa-full .wa-map { height: calc(100dvh - var(--wa-topbar-h)); min-height: 300px; border: 0; border-radius: 0; }

.wa-spinner { display: inline-block; width: 18px; height: 18px; margin-right: 8px; vertical-align: -3px; border: 2px solid var(--wa-border); border-top-color: var(--wa-accent-fg); border-radius: 50%; animation: wa-spin .8s linear infinite; }
@keyframes wa-spin { to { transform: rotate(360deg); } }