/* Saradee Account Center — restrained palette, warm neutral tinted toward teal accent */
:root{
  --bg: oklch(98% 0.006 190);
  --surface: oklch(100% 0.003 190);
  --ink: oklch(22% 0.02 200);
  --ink-2: oklch(42% 0.02 200);
  --line: oklch(90% 0.01 190);
  --accent: oklch(52% 0.11 195);
  --accent-ink: oklch(99% 0.01 195);
  --accent-soft: oklch(94% 0.04 195);
  --ok: oklch(55% 0.13 150);
  --err: oklch(52% 0.17 25);
  --err-soft: oklch(96% 0.03 25);
  --radius: 10px;
  --font: "Sarabun","Noto Sans Thai",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{color-scheme:light}
body{margin:0;font-family:var(--font);font-size:16px;line-height:1.55;color:var(--ink);background:var(--bg)}
a{color:var(--accent)}
h1,h2,h3{text-wrap:balance;line-height:1.2;margin:0 0 12px}
h1{font-size:clamp(28px,4vw,40px);font-weight:700}
h2{font-size:22px;font-weight:600}
p{margin:0 0 12px}

.top{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:16px clamp(16px,5vw,64px);border-bottom:1px solid var(--line);background:var(--surface)}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;color:var(--ink);text-decoration:none}
.brand small{font-weight:400;color:var(--ink-2);font-size:14px}
.mark{width:22px;height:22px;border-radius:6px;background:var(--accent);display:inline-block;position:relative}
.mark::after{content:"";position:absolute;inset:6px;border-radius:3px;background:var(--accent-ink)}
.top nav{display:flex;gap:20px;flex-wrap:wrap}
.top nav a{color:var(--ink-2);text-decoration:none;font-size:15px}
.top nav a:hover,.top nav a[aria-current]{color:var(--ink)}

main{max-width:960px;margin:0 auto;padding:48px clamp(16px,5vw,64px) 64px}
.hero{padding:16px 0 40px;max-width:70ch}
.eyebrow{text-transform:uppercase;letter-spacing:.08em;font-size:12px;color:var(--accent);font-weight:600;margin-bottom:8px}
.lede{font-size:18px;color:var(--ink-2);max-width:60ch}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border-radius:var(--radius);border:1px solid var(--line);background:var(--surface);color:var(--ink);font:inherit;font-weight:600;text-decoration:none;cursor:pointer;min-height:48px;transition:background .18s cubic-bezier(.16,1,.3,1),transform .12s}
.btn:hover{background:var(--accent-soft)}
.btn:active{transform:translateY(1px)}
.btn.primary{background:var(--accent);color:var(--accent-ink);border-color:transparent}
.btn.primary:hover{background:oklch(46% 0.11 195)}
.btn[disabled]{opacity:.55;cursor:not-allowed}
.btn:focus-visible,input:focus-visible,a:focus-visible{outline:3px solid oklch(70% 0.12 195);outline-offset:2px}

.steps{padding:32px 0;border-top:1px solid var(--line)}
.steps ol{list-style:none;counter-reset:s;padding:0;margin:0;display:grid;gap:16px}
.steps li{counter-increment:s;display:grid;grid-template-columns:40px 1fr;grid-template-areas:"n t" "n d";column-gap:16px;align-items:start}
.steps li::before{grid-area:n;content:counter(s);width:36px;height:36px;border-radius:50%;background:var(--accent-soft);color:var(--accent);font-weight:700;display:grid;place-items:center}
.steps li b{grid-area:t;display:block;font-weight:600}
.steps li span{grid-area:d;color:var(--ink-2)}
.notice{padding:32px 0 0;border-top:1px solid var(--line)}
.notice ul{padding-left:20px;color:var(--ink-2);margin:0}
.notice li{margin-bottom:6px}

/* forms */
.card{max-width:440px;margin:0 auto;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:32px}
.card h1{font-size:26px}
.card .sub{color:var(--ink-2);margin-bottom:24px}
label{display:block;font-weight:600;font-size:14px;margin:16px 0 6px}
input{width:100%;font:inherit;font-size:18px;padding:12px 14px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);color:var(--ink);min-height:48px}
input::placeholder{color:oklch(60% 0.01 200)}
input.code{letter-spacing:.35em;text-align:center;font-size:26px;font-variant-numeric:tabular-nums}
.hint{font-size:14px;color:var(--ink-2);margin-top:6px}
.row{display:flex;gap:12px;align-items:center;justify-content:space-between;margin-top:20px;flex-wrap:wrap}
.msg{margin-top:16px;padding:12px 14px;border-radius:var(--radius);font-size:15px;display:none}
.msg.show{display:block}
.msg.err{background:var(--err-soft);color:var(--err);border:1px solid oklch(88% 0.06 25)}
.msg.ok{background:oklch(95% 0.05 150);color:var(--ok);border:1px solid oklch(86% 0.08 150)}
.step{display:none}.step.active{display:block}
.link{background:none;border:0;color:var(--accent);font:inherit;cursor:pointer;padding:0;text-decoration:underline}
.link[disabled]{color:var(--ink-2);text-decoration:none;cursor:default}
.done{text-align:center;padding:16px 0}
.done .check{width:56px;height:56px;border-radius:50%;background:oklch(95% 0.05 150);color:var(--ok);display:grid;place-items:center;margin:0 auto 16px;font-size:28px}
.mono{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:14px;background:var(--bg);padding:2px 6px;border-radius:4px}

footer{border-top:1px solid var(--line);padding:24px clamp(16px,5vw,64px);color:var(--ink-2);font-size:14px}
footer a{color:var(--ink-2)}

/* admin */
.admin{max-width:1100px;margin:0 auto;padding:24px clamp(16px,4vw,48px)}
.admin header.bar{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:24px}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin-bottom:24px}
.kpi{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px}
.kpi small{display:block;color:var(--ink-2);font-size:13px;text-transform:uppercase;letter-spacing:.06em}
.kpi b{font-size:24px;font-weight:700}
table{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;font-size:15px}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line)}
th{font-size:13px;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-2);background:var(--bg)}
tr:last-child td{border-bottom:0}
.tag{display:inline-block;padding:2px 8px;border-radius:6px;font-size:13px;font-weight:600}
.tag.ok{background:oklch(95% 0.05 150);color:var(--ok)}
.tag.wait{background:oklch(96% 0.04 80);color:oklch(50% 0.12 80)}
.tag.fail{background:var(--err-soft);color:var(--err)}

@media (prefers-reduced-motion: reduce){*{transition:none!important}}
@media (max-width:600px){.top{flex-direction:column;align-items:flex-start}.card{padding:24px 18px}}