@font-face {
  font-family: "IBM Plex Sans Thai";
  src: url("/fonts/IBMPlexSansThai-Regular.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Sans Thai";
  src: url("/fonts/IBMPlexSansThai-SemiBold.woff2") format("woff2");
  font-style: normal;
  font-weight: 600;
  font-display: swap;
}
:root {
  color-scheme: light dark;
  --canvas: #f3f5f7;
  --surface: #fbfcfd;
  --surface-raised: #fdfefe;
  --control: #eef1f4;
  --ink: #15202b;
  --ink-soft: #4c5a68;
  --ink-muted: #5f6c78;
  --accent-text: #153f76;
  --line: rgba(21, 32, 43, 0.12);
  --line-strong: rgba(21, 32, 43, 0.2);
  --bank: #153f76;
  --bank-hover: #0f315e;
  --bank-soft: #e7eef7;
  --danger: #a13c3c;
  --success: #23684b;
  --radius-control: 10px;
  --radius-panel: 16px;
  --shadow: 0 0 0 1px rgba(22, 34, 47, 0.06), 0 8px 24px rgba(31, 53, 78, 0.07);
  font-family: "IBM Plex Sans Thai", "IBM Plex Sans", "PingFang SC", "Microsoft YaHei", "Leelawadee UI", Tahoma, Arial, sans-serif;
  font-synthesis: none;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
body { margin: 0; min-width: 320px; min-height: 100dvh; background: var(--canvas); color: var(--ink); -webkit-font-smoothing: antialiased; }
button, input, textarea, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }

.topbar { height: 72px; padding: 0 clamp(20px, 4vw, 56px); display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); background: color-mix(in srgb, var(--surface) 92%, transparent); }
.brand { color: var(--ink); text-decoration: none; display: inline-flex; align-items: center; gap: 12px; }
.brand-mark { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 11px; background: var(--bank); color: #f7fafc; font-weight: 700; font-size: 21px; }
.brand strong, .brand small { display: block; }
.brand strong { font-size: 15px; letter-spacing: -0.01em; }
.brand small { margin-top: 1px; color: var(--ink-muted); font-size: 11px; }
.user-menu { display: flex; align-items: center; gap: 16px; color: var(--ink-soft); font-size: 13px; }
.header-status { color: var(--danger); font-size: 11px; }
.text-button { min-height: 44px; padding: 0; border: 0; color: var(--bank); background: transparent; cursor: pointer; font-weight: 650; }
.text-button:hover { color: var(--bank-hover); }
.text-button:focus-visible, .button:focus-visible, input:focus-visible, textarea:focus-visible { outline: 3px solid color-mix(in srgb, var(--bank) 35%, transparent); outline-offset: 2px; }

.shell { width: min(1180px, calc(100% - 40px)); margin: 0 auto; padding: clamp(36px, 6vw, 72px) 0 56px; }
.loading-view { max-width: 840px; margin: 40px auto; }
.skeleton { background: linear-gradient(90deg, var(--control), var(--surface), var(--control)); background-size: 200% 100%; border-radius: 12px; }
.skeleton-title { width: 42%; height: 34px; margin-bottom: 28px; }
.skeleton-panel { height: 360px; }

.auth-layout { min-height: calc(100dvh - 200px); display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(320px, 440px); gap: clamp(48px, 9vw, 120px); align-items: center; }
.auth-intro h1, .workspace-heading h1 { margin: 8px 0 14px; max-width: 680px; font-size: clamp(34px, 5vw, 52px); line-height: 1.12; letter-spacing: -0.035em; text-wrap: balance; }
.auth-intro > p:last-child, .workspace-heading > div > p:last-child { max-width: 55ch; color: var(--ink-soft); line-height: 1.65; text-wrap: pretty; }
.product-kicker { margin: 0; color: var(--accent-text); font-size: 12px; font-weight: 750; letter-spacing: 0.08em; text-transform: uppercase; }
.auth-card, .form-panel, .output-panel { border-radius: var(--radius-panel); background: var(--surface-raised); box-shadow: var(--shadow); }
.auth-card { padding: clamp(24px, 4vw, 36px); }
.auth-card form { display: grid; gap: 24px; }
.back-button { justify-self: start; min-height: 32px; }

.field { display: grid; gap: 8px; }
.field label, .link-label { color: var(--ink); font-size: 14px; font-weight: 700; }
.field input, textarea { width: 100%; min-height: 48px; border: 1px solid var(--line-strong); border-radius: var(--radius-control); padding: 11px 13px; background: var(--control); color: var(--ink); transition: border-color 140ms cubic-bezier(.23,1,.32,1), box-shadow 140ms cubic-bezier(.23,1,.32,1); }
.field input:hover, textarea:hover { border-color: color-mix(in srgb, var(--bank) 40%, var(--line-strong)); }
.field input::placeholder { color: var(--ink-muted); opacity: 1; }
.help, .error, .form-error, .copy-status { min-height: 18px; margin: 0; font-size: 12px; line-height: 1.5; }
.help { color: var(--ink-muted); }
.error, .form-error { color: var(--danger); }
.form-error { min-height: 20px; text-align: center; }
.money-input { position: relative; }
.money-input span { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--ink-soft); font-weight: 700; }
.money-input input { padding-left: 36px; font-variant-numeric: tabular-nums; }

.button { min-height: 46px; display: inline-flex; align-items: center; justify-content: center; border: 0; border-radius: var(--radius-control); padding: 10px 18px; font-weight: 720; text-decoration: none; cursor: pointer; transition: background-color 140ms cubic-bezier(.23,1,.32,1), transform 120ms cubic-bezier(.23,1,.32,1), box-shadow 140ms cubic-bezier(.23,1,.32,1); white-space: nowrap; }
.button:active { transform: scale(0.97); }
.button:disabled { opacity: 0.58; cursor: wait; }
.button-primary { background: var(--bank); color: #f7fafc; box-shadow: 0 1px 2px rgba(15, 49, 94, 0.18); }
.button-primary:hover:not(:disabled) { background: var(--bank-hover); }
.button-secondary { border: 1px solid var(--line-strong); background: var(--surface); color: var(--ink); }
.button-secondary:hover { background: var(--control); }

.workspace { display: grid; gap: 28px; }
.workspace-section { display: grid; gap: 28px; }
.workspace-nav { width: fit-content; display: flex; gap: 4px; padding: 4px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
.nav-button { min-height: 38px; padding: 7px 14px; border: 0; border-radius: 8px; background: transparent; color: var(--ink-soft); cursor: pointer; font-weight: 650; }
.nav-button:hover { color: var(--ink); }
.nav-button.is-active { background: var(--bank-soft); color: var(--accent-text); box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--bank) 12%, transparent); }
.nav-button:focus-visible { outline: 3px solid color-mix(in srgb, var(--bank) 35%, transparent); outline-offset: 2px; }
.workspace-heading { display: flex; align-items: end; justify-content: space-between; gap: 32px; }
.workspace-heading h1 { font-size: clamp(30px, 4vw, 44px); }
.merchant-summary { flex: 0 0 auto; display: grid; grid-template-columns: repeat(2, auto); gap: 28px; margin: 0; padding-bottom: 6px; }
.merchant-summary div { display: grid; gap: 3px; }
.merchant-summary dt { color: var(--ink-muted); font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; }
.merchant-summary dd { margin: 0; font-size: 15px; font-weight: 720; font-variant-numeric: tabular-nums; }
.workspace-grid { display: grid; grid-template-columns: minmax(330px, .9fr) minmax(420px, 1.25fr); gap: 24px; align-items: stretch; }
.form-panel { padding: clamp(22px, 3vw, 30px); display: grid; gap: 20px; }
.output-panel { min-height: 560px; padding: clamp(24px, 4vw, 38px); background: color-mix(in srgb, var(--bank-soft) 46%, var(--surface-raised)); }
.empty-output { min-height: 480px; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; max-width: 390px; }
.empty-symbol { width: 52px; height: 52px; display: grid; place-items: center; margin-bottom: 22px; border: 1px solid color-mix(in srgb, var(--bank) 18%, transparent); border-radius: 14px; background: var(--surface-raised); color: var(--bank); font-size: 26px; }
.empty-output h2, #generated-output h2 { margin: 0 0 10px; font-size: 24px; letter-spacing: -0.025em; }
.empty-output p { margin: 0; color: var(--ink-soft); line-height: 1.65; text-wrap: pretty; }
.status-label { margin: 0 0 8px; color: var(--success); font-size: 12px; font-weight: 750; }
.payment-preview { display: grid; gap: 0; margin: 26px 0; }
.payment-preview div { display: grid; grid-template-columns: 145px 1fr; gap: 18px; padding: 13px 0; border-bottom: 1px solid var(--line); }
.payment-preview dt { color: var(--ink-muted); font-size: 13px; }
.payment-preview dd { margin: 0; overflow-wrap: anywhere; font-size: 14px; font-weight: 680; }
.link-label { display: block; margin-bottom: 8px; }
textarea { resize: none; min-height: 118px; line-height: 1.5; font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; font-size: 11px; }
.short-link-input { width: 100%; min-height: 48px; border: 1px solid var(--line-strong); border-radius: var(--radius-control); padding: 11px 13px; background: var(--control); color: var(--ink); font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; font-size: 12px; }
.short-link-input + .help { margin-top: 7px; }
.delivery-output { display: grid; grid-template-columns: minmax(0, 1fr) 220px; gap: 28px; align-items: center; }
.short-link-block { min-width: 0; }
.qr-block { display: grid; justify-items: center; gap: 12px; }
.qr-block img { width: min(220px, 100%); height: auto; aspect-ratio: 1; border-radius: 12px; background: #fff; box-shadow: 0 0 0 1px var(--line); }
.qr-block .button { width: 100%; }
.output-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 16px; }
.copy-status { margin-top: 10px; color: var(--success); }
.security-note { display: grid; grid-template-columns: 160px 1fr; gap: 20px; padding: 18px 22px; border: 1px solid var(--line); border-radius: var(--radius-control); color: var(--ink-soft); }
.security-note strong { color: var(--ink); font-size: 14px; }
.security-note p { margin: 0; font-size: 13px; line-height: 1.6; }
.result-previews { padding: 22px; border: 1px solid var(--line); border-radius: var(--radius-panel); background: var(--surface); }
.result-previews-heading { display: flex; align-items: start; justify-content: space-between; gap: 24px; margin-bottom: 18px; }
.result-previews-heading h2 { margin: 0; font-size: 18px; letter-spacing: -0.015em; }
.result-previews-heading p { margin: 5px 0 0; color: var(--ink-soft); font-size: 13px; line-height: 1.55; }
.result-previews-heading > span { flex: 0 0 auto; color: var(--ink-muted); font-size: 11px; }
.result-preview-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.result-preview-link { position: relative; min-height: 72px; display: grid; align-content: center; gap: 3px; overflow: hidden; padding: 12px 14px 12px 18px; border: 1px solid var(--line); border-radius: var(--radius-control); background: var(--surface-raised); color: var(--ink); text-decoration: none; transition: border-color 140ms cubic-bezier(.23,1,.32,1), transform 120ms cubic-bezier(.23,1,.32,1), background-color 140ms cubic-bezier(.23,1,.32,1); }
.result-preview-link::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 4px; background: var(--ink-muted); }
.result-preview-link:hover { border-color: var(--line-strong); background: var(--control); }
.result-preview-link:active { transform: scale(.98); }
.result-preview-link:focus-visible { outline: 3px solid color-mix(in srgb, var(--bank) 35%, transparent); outline-offset: 2px; }
.result-preview-link strong { font-size: 13px; }
.result-preview-link small { color: var(--ink-muted); font-size: 11px; }
.preview-success::before { background: var(--success); }
.preview-fail::before { background: var(--danger); }
.preview-cancel::before { background: var(--ink-muted); }
.employee-grid { display: grid; grid-template-columns: minmax(300px, .72fr) minmax(500px, 1.28fr); gap: 24px; align-items: start; }
.employee-list-panel { min-width: 0; padding: clamp(22px, 3vw, 30px); border-radius: var(--radius-panel); background: var(--surface-raised); box-shadow: var(--shadow); }
.list-heading { display: flex; align-items: start; justify-content: space-between; gap: 20px; margin-bottom: 20px; }
.list-heading h2 { margin: 0; font-size: 20px; letter-spacing: -0.02em; }
.list-heading p { margin: 3px 0 0; color: var(--ink-muted); font-size: 12px; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { padding: 10px 12px; border-bottom: 1px solid var(--line-strong); color: var(--ink-muted); text-align: left; font-size: 11px; font-weight: 700; letter-spacing: .03em; }
td { padding: 14px 12px; border-bottom: 1px solid var(--line); vertical-align: middle; }
td:first-child, td:nth-child(3) { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; font-size: 11px; }
.role-badge { display: inline-block; padding: 3px 7px; border-radius: 6px; background: var(--control); color: var(--ink-soft); font-size: 11px; white-space: nowrap; }
.role-admin { background: var(--bank-soft); color: var(--accent-text); }
.state-active { color: var(--success); }
.state-disabled { color: var(--ink-muted); }
.table-action { min-height: 32px; padding: 4px 8px; border: 0; border-radius: 6px; background: transparent; color: var(--bank); cursor: pointer; font-weight: 650; white-space: nowrap; }
.table-action:hover { background: var(--bank-soft); }
.table-action:focus-visible { outline: 3px solid color-mix(in srgb, var(--bank) 35%, transparent); outline-offset: 1px; }
.form-success { min-height: 20px; margin: 0; color: var(--success); text-align: center; font-size: 12px; line-height: 1.5; }

.result-page { min-height: 100dvh; display: grid; place-items: center; padding: 24px; }
.result-card { width: min(540px, 100%); padding: clamp(30px, 6vw, 48px); border-radius: var(--radius-panel); background: var(--surface-raised); box-shadow: var(--shadow); }
.result-card-header { min-height: 44px; display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 24px; }
.result-mark { width: 48px; height: 8px; border-radius: 4px; background: var(--ink-muted); }
.result-card.success .result-mark { background: var(--success); }
.result-card.danger .result-mark { background: var(--danger); }
.result-card h1 { margin: 9px 0 14px; font-size: clamp(28px, 6vw, 40px); line-height: 1.2; letter-spacing: -0.03em; }
.language-switcher { display: inline-flex; gap: 3px; padding: 3px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); }
.language-link { min-height: 34px; display: inline-flex; align-items: center; justify-content: center; padding: 6px 10px; border-radius: 7px; color: var(--ink-soft); font-size: 12px; font-weight: 650; text-decoration: none; white-space: nowrap; }
.language-link:hover { color: var(--ink); background: var(--control); }
.language-link.is-active { background: var(--bank-soft); color: var(--accent-text); }
.language-link:focus-visible { outline: 3px solid color-mix(in srgb, var(--bank) 35%, transparent); outline-offset: 2px; }
.result-copy { display: grid; gap: 10px; }
.result-copy p { margin: 0; color: var(--ink-soft); line-height: 1.7; }
.result-note { margin: 24px 0; padding: 14px 16px; border-radius: var(--radius-control); background: var(--control); font-size: 12px; }
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 10; padding: 10px 14px; border-radius: var(--radius-control); background: var(--surface-raised); color: var(--ink); box-shadow: var(--shadow); transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }

@media (max-width: 820px) {
  .shell { width: min(100% - 28px, 660px); padding-top: 34px; }
  .auth-layout, .workspace-grid, .employee-grid { grid-template-columns: 1fr; }
  .auth-layout { gap: 32px; align-content: start; }
  .workspace-heading { align-items: flex-start; flex-direction: column; }
  .output-panel { min-height: 430px; }
  .empty-output { min-height: 360px; }
  .delivery-output { grid-template-columns: 1fr; }
  .qr-block { width: min(260px, 100%); margin: 0 auto; }
  .result-preview-links { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .topbar { height: 64px; padding: 0 14px; }
  .brand small, #user-id { display: none; }
  #user-name { max-width: 120px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .shell { width: calc(100% - 24px); padding-top: 26px; }
  .auth-intro h1 { font-size: 32px; }
  .merchant-summary { width: 100%; justify-content: space-between; }
  .output-actions { grid-template-columns: 1fr; }
  .security-note { grid-template-columns: 1fr; gap: 7px; }
  .result-previews { padding: 18px; }
  .result-previews-heading { display: grid; gap: 7px; }
  .payment-preview div { grid-template-columns: 1fr; gap: 5px; }
  .workspace-nav { width: 100%; }
  .nav-button { flex: 1; }
  .employee-list-panel { padding: 20px 14px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}

@media (prefers-color-scheme: dark) {
  :root {
    --canvas: #101820;
    --surface: #141e27;
    --surface-raised: #19242e;
    --control: #111a22;
    --ink: #edf2f6;
    --ink-soft: #b3bec8;
    --ink-muted: #a8b4c0;
    --accent-text: #8db9e8;
    --line: rgba(238, 244, 248, 0.1);
    --line-strong: rgba(238, 244, 248, 0.18);
    --bank: #3f78ba;
    --bank-hover: #4a86ca;
    --bank-soft: #17283b;
    --danger: #ee8a8a;
    --success: #70c39e;
    --shadow: 0 0 0 1px rgba(238, 244, 248, 0.08);
  }
}