:root{--bg:#F4F7F9;--card:#fff;--card2:#F7FAFB;--soft:#E9F4FA;--text:#142333;--muted:#637282;--border:#DDE5EA;--brand:#0F5F8C;--brand-d:#093C5A;--teal:#0A9B8E;--teal-soft:#E7F7F5;--ok:#16865A;--ok-bg:#E7F6EE;--warn:#8A5A0B;--warn-bg:#FFF4DF;--bad:#B4323C;--bad-bg:#FDEBED;
--grad:linear-gradient(135deg,#0F5F8C,#0A9B8E);--hero:linear-gradient(135deg,#0B3C61 0%,#0F5F8C 48%,#079A89 100%);--shadow:0 8px 24px rgba(15,46,67,.07);--shadow-s:0 3px 12px rgba(15,46,67,.04)}
*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--text);font:15px/1.55 "Noto Sans Thai","Sarabun",system-ui,sans-serif;font-variant-numeric:tabular-nums;-webkit-text-size-adjust:100%}
button,input,select{font:inherit;color:inherit}button{cursor:pointer}:focus-visible{outline:3px solid var(--brand);outline-offset:2px}.hidden{display:none!important}
.wrap{max-width:560px;margin:0 auto;padding:16px 16px calc(96px + env(safe-area-inset-bottom))}
.top{position:sticky;top:0;z-index:10;background:color-mix(in srgb,#fff 94%,transparent);backdrop-filter:blur(16px);border-bottom:1px solid var(--border);padding:max(10px,env(safe-area-inset-top)) 16px 10px;display:flex;align-items:center;gap:10px;min-height:62px}
.top .t{font-weight:700;font-size:17px;line-height:1.2}.top .s{font-size:11.5px;color:var(--muted)}.grow{flex:1;min-width:0}
.logo{width:38px;height:38px;border-radius:11px;display:block;box-shadow:0 4px 12px rgba(15,95,140,.25)}
.ibtn{width:44px;height:44px;border-radius:50%;border:0;background:var(--card2);display:grid;place-items:center;flex:none}
.brand{padding:22px 4px 6px}.brand .logo{width:64px;height:64px;border-radius:18px}.brand h1{font-size:32px;line-height:1.1;margin:10px 0 2px;color:var(--brand-d)}
.brand .tag{color:var(--muted);font-size:14px;padding-bottom:6px;border-bottom:3px solid var(--teal);display:inline-block}
.card{background:var(--card);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow-s);padding:16px;margin-bottom:12px}
.card.big{border-radius:22px;padding:20px 18px;box-shadow:var(--shadow)}.card.soft{background:var(--soft);box-shadow:none;border-color:transparent}
h2{font-size:21px;line-height:1.35;margin:0 0 6px}h3{font-size:16px;margin:0 0 10px}.muted{color:var(--muted)}.small{font-size:13px}.tiny{font-size:12px}
label.f,.f{display:block;font-size:13px;font-weight:600;color:var(--muted);margin:12px 0 6px}
.in{width:100%;height:50px;border-radius:14px;border:1px solid var(--border);background:#fff;padding:0 14px;font-size:16px}
select.in{padding:0 10px}.row{display:flex;gap:8px;align-items:center}.row>.in{min-width:0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:50px;padding:0 18px;border-radius:14px;border:1px solid transparent;background:var(--grad);color:#fff;font-weight:700;font-size:15px;text-decoration:none}
.btn.block{width:100%;margin-top:14px}.btn.ghost{background:#fff;color:var(--brand);border-color:var(--border)}.btn.soft{background:var(--teal-soft);color:var(--brand)}.btn.danger{background:#fff;color:var(--bad);border-color:#F3C6CB}
.btn:disabled{opacity:.55;cursor:default}.link{background:none;border:0;color:var(--brand);font-weight:600;padding:10px 0;min-height:44px}
.chip{display:inline-flex;align-items:center;min-height:26px;padding:3px 10px;border-radius:999px;background:var(--soft);color:var(--brand-d);font-size:12px;font-weight:600;white-space:nowrap}
.chip.ok{background:var(--ok-bg);color:var(--ok)}.chip.warn{background:var(--warn-bg);color:var(--warn)}
.steps{display:flex;gap:6px;margin-bottom:4px}.steps i{flex:1;height:4px;border-radius:2px;background:var(--border)}.steps i.on{background:var(--brand)}
.seg{display:flex;background:var(--card2);border-radius:12px;padding:3px;gap:3px}.seg button{flex:1;border:0;background:transparent;border-radius:9px;min-height:44px;font-size:13.5px;color:var(--muted)}
.seg button[aria-pressed=true]{background:#fff;color:var(--brand);font-weight:700;box-shadow:var(--shadow-s)}
.list{display:flex;flex-direction:column;gap:8px;margin-top:10px}.opt{display:flex;align-items:center;gap:10px;width:100%;text-align:left;background:#fff;border:1px solid var(--border);border-radius:12px;padding:12px 14px;min-height:56px}
.opt.sel{border:2px solid var(--brand)}.opt b{display:block;font-size:15px;line-height:1.35}.opt span{font-size:12.5px;color:var(--muted)}
.hero{background:var(--hero);color:#fff;border-radius:20px;padding:20px;box-shadow:var(--shadow);margin-bottom:12px}.hero .n{font-size:34px;font-weight:700;line-height:1.15}
.kv{display:flex;justify-content:space-between;gap:10px;padding:10px 0;border-bottom:1px solid var(--border)}.kv:last-child{border:0}.kv span{color:var(--muted);font-size:13.5px}.kv b{text-align:right}
.shift{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr) 44px;gap:6px;align-items:end;margin-top:10px;padding-top:10px;border-top:1px solid var(--border)}.shift:first-child{border:0;padding-top:0}.shift .nm{grid-column:1/-1}.shift label{font-size:11.5px;color:var(--muted);display:block;margin-bottom:3px}
.otp{letter-spacing:12px;text-align:center;font-size:26px;font-weight:700;height:60px}
.err{background:var(--bad-bg);color:var(--bad);border-radius:12px;padding:10px 12px;font-size:13.5px;margin-top:10px}
.note{display:flex;gap:10px;align-items:flex-start;font-size:12.5px;color:var(--muted);margin:6px 4px}
nav.bn{position:fixed;left:0;right:0;bottom:0;z-index:20;background:#fff;border-top:1px solid var(--border);display:flex;justify-content:center;gap:4px;padding:6px 8px max(10px,env(safe-area-inset-bottom))}
nav.bn a{flex:0 1 120px;min-height:54px;border-radius:12px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:11.5px;color:var(--muted);text-decoration:none}
nav.bn a[aria-current=page]{background:var(--teal-soft);color:var(--brand);font-weight:700}
svg.i{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(84px + env(safe-area-inset-bottom));z-index:30;background:var(--text);color:#fff;border-radius:12px;padding:10px 16px;font-size:14px;max-width:90vw}
.toast.bad{background:var(--bad)}