:root{--bg:#f4f6f8;--card:#ffffff;--text:#1f2937;--muted:#6b7280;--border:#e5e7eb;--danger:#b42318;--success:#15803d;--primary:#4f9fbe;--container:560px}*{box-sizing:border-box}body{margin:0;font-family:IBM Plex Sans Thai,Noto Sans Thai,system-ui,sans-serif;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}button,input{font:inherit}a{color:var(--primary)}.page{max-width:var(--container);margin:0 auto;padding:0 16px 96px}.center-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:16px}.shop-header{position:-webkit-sticky;position:sticky;top:0;z-index:10;background:var(--card);border-bottom:1px solid var(--border)}.shop-header-inner{max-width:var(--container);margin:0 auto;padding:12px 16px;display:flex;align-items:center;gap:12px}.shop-logo{width:40px;height:40px;border-radius:10px;object-fit:cover;background:var(--bg);flex-shrink:0}.shop-logo-fallback{display:grid;place-items:center;color:#fff;font-weight:700;background:var(--primary)}.shop-name{font-weight:700;font-size:17px;margin:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.header-nav{display:none;gap:4px}.header-link{padding:8px 14px;border-radius:10px;font-size:15px;font-weight:500;color:var(--muted);text-decoration:none;white-space:nowrap}.header-link:hover{background:var(--bg)}.header-link.active{color:var(--primary);font-weight:700}.tab-bar{position:fixed;left:0;right:0;bottom:0;z-index:10;background:var(--card);border-top:1px solid var(--border);padding-bottom:env(safe-area-inset-bottom)}.tab-bar-inner{max-width:560px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr)}.tab{padding:12px 4px;text-align:center;font-size:13px;color:var(--muted);text-decoration:none;font-weight:500}.tab.active{color:var(--primary);font-weight:700}.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:16px}.narrow{width:100%;max-width:400px}.text-center{text-align:center}.title{font-size:22px;margin:20px 0 12px}.section-title{font-size:15px;font-weight:600;margin:24px 0 8px}.muted,.section-title{color:var(--muted)}.small{font-size:13px}.card-grid{display:grid;grid-template-columns:1fr;grid-gap:12px;gap:12px}.stack{flex-direction:column;gap:12px}.row,.stack{display:flex}.row{align-items:center;gap:8px}.spacer{flex:1 1}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid transparent;border-radius:10px;padding:10px 16px;font-weight:600;cursor:pointer;text-decoration:none;background:var(--primary);color:#fff}.btn:disabled{opacity:.55;cursor:default}.btn.block{width:100%;padding:13px 16px}.btn.secondary{background:var(--card);color:var(--text);border-color:var(--border)}.btn.danger-outline{background:var(--card);color:var(--danger);border-color:#f3c3be}.btn.small{padding:7px 14px;font-size:14px}.field{display:flex;flex-direction:column;gap:6px;font-size:14px;font-weight:500}.field input{border:1px solid var(--border);border-radius:10px;padding:11px 12px;font-size:16px;background:#fff}.field input:focus{outline:2px solid var(--primary);outline-offset:-1px}.error{color:var(--danger);font-size:14px;margin:0}.notice{border-radius:12px;padding:12px 14px;font-size:14px}.notice.success{background:#ecfdf3;color:var(--success)}.badge{display:inline-block;border-radius:999px;padding:2px 10px;font-size:12px;font-weight:600;background:var(--bg);color:var(--muted)}.badge.ok{background:#ecfdf3;color:var(--success)}.badge.warn{background:#fff7e6;color:#b45309}.chip-strip,.day-strip{display:flex;gap:8px;overflow-x:auto;padding:12px 0 4px;scrollbar-width:none}.chip-strip::-webkit-scrollbar,.day-strip::-webkit-scrollbar{display:none}.day-chip{flex:0 0 auto;width:56px;border:1px solid var(--border);border-radius:12px;background:var(--card);padding:8px 0;text-align:center;cursor:pointer;color:var(--text)}.day-chip .wd{font-size:12px;color:var(--muted)}.day-chip .d{font-size:18px;font-weight:700}.day-chip.active{background:var(--primary);border-color:var(--primary);color:#fff}.day-chip.active .wd{color:#fff}.service-chip{flex:0 0 auto;border:1px solid var(--border);border-radius:999px;background:var(--card);padding:6px 14px;font-size:14px;cursor:pointer;color:var(--text);white-space:nowrap}.service-chip.active{border-color:var(--primary);color:var(--primary);font-weight:600}.session{display:flex;gap:12px;align-items:center}.session-time{width:56px;flex-shrink:0;font-weight:700;font-size:16px}.session-color{width:4px;align-self:stretch;border-radius:4px}.session-body{flex:1 1;min-width:0}.session-name{font-weight:600;margin:0 0 2px}.sheet-backdrop{position:fixed;inset:0;z-index:50;background:rgba(17,24,39,.45);display:flex;align-items:flex-end;justify-content:center}.sheet{width:100%;max-width:560px;background:var(--card);border-radius:18px 18px 0 0;padding:20px 16px calc(20px + env(safe-area-inset-bottom))}.form-page{width:100%;max-width:480px;margin-left:auto;margin-right:auto}@media (min-width:768px){:root{--container:760px}.page{padding:8px 24px 48px}.shop-header-inner{padding:14px 24px}.header-nav{display:flex}.tab-bar{display:none}.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.title{font-size:26px;margin-top:28px}.sheet-backdrop{align-items:center;padding:24px}.sheet{max-width:460px;border-radius:18px;padding:24px}}@media (min-width:1024px){:root{--container:980px}.day-chip{flex:1 1;min-width:56px}.day-chip:not(.active):hover,.service-chip:not(.active):hover{border-color:var(--primary)}.card{padding:18px}}@media (min-width:1440px){:root{--container:1200px}.card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (min-width:1920px){body{zoom:1.15}}@media (min-width:2560px){body{zoom:1.4}}