:root{--shop-surface:#fff;--shop-tile:#fbf8f5;--font-roboto:var(--bb-font-body);--bb-bg:#f7eee4;--bb-surface:#fffbf6;--bb-ink:#231f20;--bb-ink-soft:#6b5d55;--bb-line:#e6d8c7;--bb-primary:#49230e;--bb-on-primary:#f7eee4;--bb-clay:#c49a6c;--bb-clay-soft:#f0e2d1;--bb-antique:#ccb462;--bb-info:#1f5fad;--bb-info-bg:#e8f0fa;--bb-ok:#2e6b4a;--bb-ok-bg:#e7f2ec;--bb-warn:#8a5a00;--bb-warn-bg:#fbf1dc;--bb-danger:#b42318;--bb-danger-bg:#fcebea;--bb-font-body:"BB Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;--bb-font-heading:"BB Playfair", Georgia, serif;--bb-hair:#f0e2d1;--bb-on-primary-soft:#e6d8c7;--bb-radius-input:12px;--bb-radius-tile:14px;--bb-radius-card:20px;--bb-radius-pill:999px;--bb-control-h-sm:40px;--bb-control-h:44px;--bb-control-h-lg:48px;--bb-control-h-xl:52px;--bb-row-h:64px;--bb-tap-min:40px;--bb-fs-xs:12px;--bb-fs-label:13px;--bb-fs-sm:14px;--bb-fs-body:15px;--bb-fs-lead:17px;--bb-fs-h2:20px;--bb-fs-h1:clamp(28px, 2.4vw + 14px, 36px);--bb-fs-stat:28px;--bb-space-1:4px;--bb-space-2:8px;--bb-space-3:12px;--bb-space-4:16px;--bb-space-6:24px;--bb-space-8:32px;--bb-space-12:48px}.chat-launcher{right:max(1rem, env(safe-area-inset-right));bottom:max(1rem, env(safe-area-inset-bottom));z-index:70;flex-direction:column;align-items:flex-end;gap:.75rem;display:flex;position:fixed}body.mobile-nav-open .chat-launcher{display:none}.chat-launcher-toggle{border:1px solid var(--clay);background:var(--ink);width:56px;height:56px;color:var(--clay);cursor:pointer;border-radius:50%;justify-content:center;align-items:center;transition:background .2s,color .2s,transform .2s;display:flex;box-shadow:0 8px 20px #231f2038}.chat-launcher-toggle:hover{background:var(--clay);color:var(--ink)}.chat-launcher-toggle:focus-visible,.chat-launcher-item:focus-visible{outline:2px solid var(--clay);outline-offset:2px}.chat-launcher-toggle svg{width:26px;height:26px}.chat-launcher-close,.chat-launcher.is-open .chat-launcher-open{display:none}.chat-launcher.is-open .chat-launcher-close{display:block}.chat-launcher-panel{border:1px solid var(--ink-hair);background:var(--cream);border-radius:12px;flex-direction:column;gap:.25rem;min-width:220px;max-width:calc(100vw - 2rem);padding:.5rem;display:flex;box-shadow:0 12px 32px #231f202e}.chat-launcher-panel[hidden]{display:none}.chat-launcher-item{min-height:48px;color:var(--ink);font-size:var(--fs-95,.95rem);text-align:left;border-radius:8px;align-items:center;gap:.75rem;padding:.375rem .75rem .375rem .375rem;font-weight:600;text-decoration:none;display:flex}.chat-launcher-item:hover{background:#c49a6c29}.chat-launcher-icon{background:var(--ink);width:36px;min-width:36px;height:36px;color:var(--clay);border-radius:8px;justify-content:center;align-items:center;display:flex}.chat-launcher-icon svg{width:22px;height:22px}.chat-launcher-icon--messenger{color:#fff;background:linear-gradient(45deg,#0a7cff,#a334fa 60%,#ff6968)}.chat-launcher-icon--zalo{color:#fff;background:#0068ff}.chat-launcher-icon--zalo svg{width:26px;height:26px}.zalo-chat-widget{bottom:calc(max(1rem, env(safe-area-inset-bottom)) + 72px)!important}@media (prefers-reduced-motion:no-preference){.chat-launcher-panel:not([hidden]){animation:.18s ease-out chatLauncherIn}}@keyframes chatLauncherIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}