:root {
  --bg: #ffffff;
  --surface: #f4f6f8;
  --border: #697786;
  --text: #1c2733;
  --text-muted: #4b5a6a;
  --primary: #0b5fa5;
  --primary-hover: #094e86;
  --primary-text: #ffffff;
  --danger: #b3261e;
  --danger-bg: #fdeceb;
  --success: #0f6b3d;
  --success-bg: #e6f4ec;
  --warn: #8a5a00;
  --warn-bg: #fdf3e0;
  --info: #0b5fa5;
  --info-bg: #e8f1f9;
  --focus: #0b5fa5;
  --radius: 6px;
  --target: 44px;
}

* { box-sizing: border-box; }

html { font-size: 16px; }

body {
  margin: 0;
  font-family: "Segoe UI", "Noto Sans Thai", system-ui, sans-serif;
  font-size: 1rem; /* 16px */
  line-height: 1.5;
  color: var(--text);
  background: #f6f8fb;
}

/* Focus indicator: 2px ring, 3:1 contrast */
:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--primary);
  color: var(--primary-text);
  padding: 0.75rem 1rem;
  border-radius: 0 0 var(--radius) 0;
  text-decoration: none;
}
.skip-link:focus {
  left: 0;
}

.site-header {
  padding: 1.75rem clamp(1rem, 3vw, 3rem);
  border-bottom: 0;
  background: #17324d;
  color: #fff;
}
.site-header h1 {
  margin: 0;
  font-size: 1.75rem;
}
.header-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.header-logout { min-height: 44px; padding: 0.55rem 0.9rem; border: 1px solid #d9e4ee; border-radius: var(--radius); color: #fff; background: transparent; font: inherit; font-weight: 700; cursor: pointer; }
.header-logout:hover { background: rgba(255,255,255,0.12); }
.subtitle {
  margin: 0.25rem 0 0;
  color: #d9e4ee;
}

.login-screen { min-height: 100vh; display: grid; place-items: center; padding: 1.5rem; background: linear-gradient(135deg, #17324d 0%, #0b5fa5 100%); }
.login-screen[hidden] { display: none; }
.login-card { width: min(100%, 29rem); padding: clamp(1.5rem, 5vw, 2.5rem); border: 1px solid rgba(255,255,255,0.24); border-radius: 14px; color: #fff; background: rgba(12, 35, 57, 0.88); box-shadow: 0 20px 50px rgba(0,0,0,0.28); }
.login-card h1 { margin: 0 0 0.5rem; font-size: clamp(1.7rem, 5vw, 2.25rem); }
.login-card > p { color: #d9e4ee; }
.login-card .eyebrow { color: #b8d8f1; }

.docs-panel { max-width: 1100px; margin: 0 auto; padding: 0 0 3rem; }
.docs-hero { display: flex; justify-content: space-between; gap: 2rem; padding: clamp(1.75rem, 4vw, 3.5rem); color: #eef8ff; background: linear-gradient(120deg, #102d49, #155f95); border-radius: 1rem; box-shadow: 0 18px 40px rgba(16, 45, 73, .16); }
.docs-hero h2 { margin: .3rem 0 .75rem; color: #fff; font-size: clamp(2rem, 5vw, 3.2rem); letter-spacing: -.04em; }
.docs-hero p { max-width: 62ch; margin: 0; }
.docs-base-card { align-self: center; min-width: min(100%, 20rem); padding: 1rem 1.25rem; border: 1px solid rgba(255,255,255,.34); border-radius: .65rem; background: rgba(4, 23, 41, .33); }
.docs-base-card span, .docs-callout-label, .docs-kicker { display: block; font-size: .78rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.docs-base-card code { display: block; margin-top: .45rem; color: #fff; overflow-wrap: anywhere; }
.docs-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin: 1.5rem 0; overflow: hidden; border: 1px solid var(--border); border-radius: .75rem; background: var(--border); }
.docs-steps a { display: flex; gap: .75rem; align-items: center; padding: 1rem; color: var(--text); text-decoration: none; background: #fff; font-weight: 700; }
.docs-steps a:hover, .docs-steps a:focus-visible { background: #eaf5ff; }
.docs-steps strong { display: grid; place-items: center; width: 1.8rem; height: 1.8rem; color: #fff; border-radius: 50%; background: #176eae; }
.docs-section { margin-top: 1.5rem; padding: clamp(1.35rem, 3vw, 2.25rem); border: 1px solid #d6e0e8; border-radius: .75rem; background: #fff; }
.docs-section-heading h3 { margin: .2rem 0 .8rem; font-size: 1.45rem; }
.docs-section-earn { border-top: .3rem solid #22a36d; }
.docs-section-pay { border-top: .3rem solid #176eae; }
.docs-kicker { margin: 0; color: #176eae; }
.docs-grid { display: grid; grid-template-columns: minmax(0, 1.7fr) minmax(16rem, 1fr); gap: 1.5rem; align-items: start; }
.docs-grid p:first-child { margin-top: 0; }
.docs-callout { padding: 1.25rem; border-left: .3rem solid #22a36d; background: #eefaf4; }
.docs-callout code { display: block; margin: .45rem 0; overflow-wrap: anywhere; }
.docs-callout p, .docs-note { margin-bottom: 0; color: var(--text-muted); }
.docs-code-card { margin: 1.2rem 0; overflow: hidden; border-radius: .7rem; background: #102d49; }
.docs-code-heading { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: .75rem 1rem; color: #d9eefa; border-bottom: 1px solid rgba(255,255,255,.14); font-weight: 700; }
.docs-code-heading .btn { border-color: #a9c8df; color: #fff; background: transparent; }
.docs-code-card pre { margin: 0; padding: 1.1rem; overflow-x: auto; color: #e9f6ff; font-size: .85rem; line-height: 1.6; }
.docs-table { margin-top: 1rem; }
.docs-table table { min-width: 48rem; }
.docs-table td code { white-space: nowrap; }
.docs-grid-three { grid-template-columns: repeat(3, 1fr); }
.docs-mini-card { padding: 1.1rem; border-top: .25rem solid #56a1d7; background: #f5f9fc; }
.docs-mini-card h4 { margin: 0 0 .5rem; }
.docs-mini-card p { margin: 0; color: var(--text-muted); }
.docs-details { margin-top: 1.25rem; padding: 1rem; border: 1px solid #d6e0e8; border-radius: .5rem; }
.docs-details summary { cursor: pointer; font-weight: 700; }
.docs-details div { margin-top: 1rem; color: var(--text-muted); line-height: 1.7; }
@media (max-width: 720px) { .docs-hero, .docs-grid, .docs-grid-three { grid-template-columns: 1fr; display: grid; } .docs-hero { gap: 1.25rem; } .docs-base-card { min-width: 0; } .docs-steps { grid-template-columns: 1fr; } }
.login-card label { color: #fff; }
.login-card input { background: #fff; color: var(--text); }
.login-card #login-help { color: #d9e4ee; font-size: 0.875rem; }
.login-card .error-msg { color: #ffd1cd; }
.login-card .btn { width: 100%; }

/* Tabs (APG pattern) */
.tabs {
  display: flex;
  gap: 0.25rem;
  padding: 0.75rem clamp(1rem, 3vw, 3rem);
  border-bottom: 1px solid #ccd7e1;
  background: #fff;
}
.tab {
  min-height: var(--target);
  padding: 0.625rem 1.25rem;
  border: 1px solid transparent;
  border-radius: var(--radius) var(--radius) 0 0;
  background: transparent;
  color: var(--text);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
}
.tab:hover { background: #e8f0f6; }
.tab[aria-selected="true"] {
  background: #f6f8fb;
  border-color: var(--border);
  border-bottom-color: var(--bg);
}

.main { width: 100%; padding: 2rem clamp(1rem, 3vw, 3rem) 3rem; max-width: none; margin: 0; }
.gateway-key { max-width: 100%; margin-bottom: 1.5rem; padding: 1rem 1.25rem; border: 1px solid #a8c2d6; border-left: 5px solid var(--primary); border-radius: var(--radius); background: #edf5fb; }
.gateway-key p { margin: 0.25rem 0 0; }

.panel { padding: 1.5rem; border: 1px solid #d6e0e8; border-radius: 10px; background: #fff; box-shadow: 0 8px 24px rgba(18, 48, 73, 0.06); }
.panel[hidden] { display: none; }
.panel h2 { margin-top: 0; font-size: 1.55rem; letter-spacing: -0.02em; }
.panel h3 { font-size: 1.15rem; }
.logs-section { margin-top: 1.75rem; }
.logs-section h3 { margin-bottom: 0.75rem; }

/* Guided UAT flow */
.flow-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; margin-bottom: 1.25rem; }
.flow-heading h2 { margin-bottom: 0.25rem; }
.eyebrow { margin: 0 0 0.25rem; color: var(--text-muted); font-size: 0.8rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
.flow-intro, .lane-header > p:last-child { max-width: 68ch; color: var(--text-muted); }
.environment-badge { display: inline-flex; align-items: center; gap: 0.45rem; padding: 0.4rem 0.75rem; border: 1px solid var(--danger); border-radius: 999px; color: var(--danger); background: var(--danger-bg); font-size: 0.875rem; font-weight: 700; white-space: nowrap; }
.flow-setup { display: grid; grid-template-columns: minmax(16rem, 26rem) minmax(18rem, 1fr); gap: 1.25rem; align-items: end; padding: 1rem; margin-bottom: 1.5rem; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.write-ack { display: flex; align-items: flex-start; gap: 0.75rem; min-height: var(--target); padding: 0.65rem; border-left: 4px solid var(--warn); background: var(--warn-bg); }
.write-ack input { width: 1.25rem; height: 1.25rem; flex: 0 0 auto; margin-top: 0.15rem; }
.partner-qr { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; align-items: start; padding: 1.25rem; margin-bottom: 1.5rem; border: 1px solid #9cc5df; border-radius: var(--radius); background: linear-gradient(120deg, #f4fbff, #fff); }
.partner-qr > * { min-width: 0; }
.partner-qr textarea { width: 100%; max-width: 100%; }
.partner-qr select { width: 100%; min-width: 0; }
.partner-qr pre { white-space: pre-wrap; overflow-wrap: anywhere; max-width: 100%; }
.partner-qr code { overflow-wrap: anywhere; }
.partner-qr-preview { grid-column: 1 / -1; }
.partner-qr-preview[hidden] { display: none; }
.partner-qr h3 { margin: 0 0 .45rem; }
.partner-qr p { color: var(--text-muted); }
.partner-qr-controls .field { margin-bottom: .75rem; }
.partner-qr-controls textarea { min-height: 5.8rem; font-family: "Consolas", "Cascadia Code", monospace; }
.partner-qr-preview { display: grid; place-items: center; gap: .5rem; min-width: 13rem; margin: 0; padding: .8rem; border: 1px solid var(--border); border-radius: .6rem; background: #fff; text-align: center; }
.partner-qr-preview img { display: block; width: min(100%, 16rem); height: auto; image-rendering: pixelated; }
.partner-qr-preview figcaption { max-width: 18rem; color: var(--text-muted); font-size: .875rem; }
.flow-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem; }
.flow-lane { min-width: 0; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: var(--surface); }
.lane-header { padding: 1.25rem; border-bottom: 1px solid var(--border); background: var(--bg); }
.lane-header h3 { margin: 0; font-size: 1.35rem; }
.lane-header > p:last-child { margin-bottom: 0; }
.flow-card { padding: 1.1rem 1.25rem; border-bottom: 1px solid var(--border); background: var(--bg); }
.flow-card:last-child { border-bottom: 0; }
.flow-card h4 { margin: 0 0 0.75rem; font-size: 1rem; }
.flow-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.85rem; }
.safe-label, .write-label { display: inline-flex; padding: 0.1rem 0.4rem; border-radius: 999px; font-size: 0.75rem; font-weight: 700; vertical-align: middle; }
.safe-label { color: var(--success); background: var(--success-bg); border: 1px solid var(--success); }
.write-label { color: var(--warn); background: var(--warn-bg); border: 1px solid var(--warn); }
.step-result { min-height: 1.5rem; margin: 0 0 0.75rem; color: var(--text-muted); }
.flow-reference-card { background: var(--info-bg); }
.flow-reference-card output { display: block; padding: 0.65rem; margin-bottom: 0.75rem; border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg); overflow-wrap: anywhere; font-family: "Consolas", "Cascadia Code", monospace; }
.flow-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 0.75rem; }
.btn:disabled { cursor: not-allowed; opacity: 0.6; }

/* KPI tiles */
.kpis {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.kpi {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  background: var(--surface);
}
.kpi-value {
  display: block;
  font-size: 1.75rem;
  font-weight: 700;
}
.kpi-label {
  display: block;
  margin-top: 0.25rem;
  color: var(--text-muted);
}

/* Chart */
.chart-wrap {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  margin-bottom: 1.5rem;
  background: var(--surface);
}
.chart {
  width: 100%;
  max-width: 640px;
  height: auto;
}
.chart-table { margin-top: 0.75rem; }
.chart-table summary {
  cursor: pointer;
  color: var(--primary);
  font-weight: 600;
  padding: 0.25rem 0;
  min-height: var(--target);
  display: inline-flex;
  align-items: center;
}

/* Filters */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: flex-end;
  margin-bottom: 1rem;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.field { display: flex; flex-direction: column; gap: 0.25rem; }
.field label {
  font-weight: 600;
  font-size: 0.9rem;
}
.field input,
.field select,
.field textarea {
  min-height: var(--target);
  padding: 0.5rem 0.625rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 1rem;
  font-family: inherit;
  background: var(--bg);
  color: var(--text);
}
.field textarea {
  font-family: "Consolas", "Cascadia Code", monospace;
  resize: vertical;
  min-height: 11rem;
}
.field textarea[aria-invalid="true"],
.field input[aria-invalid="true"],
.field select[aria-invalid="true"] {
  border: 2px solid var(--danger);
}
.error-msg {
  color: var(--danger);
  font-size: 0.875rem;
  margin: 0;
  min-height: 1.2em;
}

/* Buttons */
.btn {
  min-height: var(--target);
  min-width: var(--target);
  padding: 0.5rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
}
.btn:hover { background: #e9edf2; }
.btn-primary {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--primary-text);
}
.btn-primary:hover { background: var(--primary-hover); }
.btn-danger { background: var(--danger-bg); border-color: var(--danger); color: var(--danger); }
.btn-danger:hover { background: #f8d2cf; }
.btn-large { padding: 0.625rem 1.75rem; }

/* Status badges: icon + text + color */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.125rem 0.5rem;
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 600;
  border: 1px solid transparent;
  white-space: nowrap;
}
.badge::before {
  content: "\25CF";
  font-size: 0.625rem;
}
.badge-success { background: var(--success-bg); color: var(--success); border-color: var(--success); }
.badge-danger { background: var(--danger-bg); color: var(--danger); border-color: var(--danger); }
.badge-warn { background: var(--warn-bg); color: var(--warn); border-color: var(--warn); }
.badge-info { background: var(--info-bg); color: var(--info); border-color: var(--info); }
.badge-neutral { background: var(--surface); color: var(--text-muted); border-color: var(--border); }

/* Tables */
.table-scroll { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1rem;
  background: var(--bg);
}
caption {
  text-align: left;
  font-weight: 700;
  font-size: 1rem;
  padding: 0.5rem 0;
}
th, td {
  padding: 0.625rem 0.75rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}
th { background: var(--surface); font-weight: 700; white-space: nowrap; }

/* Pager */
.pager {
  display: flex;
  gap: 1rem;
  align-items: center;
}

/* Result block */
.result {
  margin-top: 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  background: var(--surface);
}
.result-meta {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.25rem 1rem;
  margin: 0 0 0.75rem;
}
.result-meta dt { font-weight: 700; }
.result-meta dd { margin: 0; }
.curl-result {
  margin: 1rem 0;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #f4f8fb;
}
.curl-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.curl-heading h4 { margin: 0; }
.curl-result p { margin: 0.5rem 0; }
.flow-curl { margin: 1rem 0 1.5rem; }
.curl-command {
  margin: 0;
  padding: 0.75rem;
  overflow-x: auto;
  border-radius: var(--radius);
  background: #eaf0f5;
  color: #10253a;
  font-family: "Consolas", "Cascadia Code", monospace;
  font-size: 0.875rem;
  white-space: pre-wrap;
  word-break: break-word;
}
.api-trace {
  margin: 1rem 0;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}
.api-trace h3, .api-trace h4 { margin: 0; }
.api-trace > p { margin: 0.5rem 0; }
.api-trace ol { display: grid; gap: 0.75rem; margin: 0; padding-left: 1.5rem; }
.trace-step { padding: 0.75rem; border-left: 4px solid var(--primary); background: #f4f8fb; }
.trace-step p { margin: 0.25rem 0; font-family: "Consolas", "Cascadia Code", monospace; overflow-wrap: anywhere; }
.trace-step summary { cursor: pointer; font-weight: 700; }
.trace-step pre { margin: 0.5rem 0 0; padding: 0.75rem; background: #eaf0f5; overflow-x: auto; white-space: pre-wrap; word-break: break-word; }
.result-body {
  margin: 0;
  padding: 1rem;
  background: #10131a;
  color: #e8eef5;
  border-radius: var(--radius);
  overflow-x: auto;
  font-family: "Consolas", "Cascadia Code", monospace;
  font-size: 0.875rem;
  white-space: pre-wrap;
  word-break: break-word;
}

/* Forms */
.app-form {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.5rem;
  margin-bottom: 2rem;
  background: var(--surface);
  max-width: none;
}
.app-form .field { margin-bottom: 0.875rem; }
.fieldset {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem 1rem;
  margin: 0 0 1rem;
}
.fieldset legend { font-weight: 700; padding: 0 0.375rem; }
.form-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.panel-intro { max-width: 72ch; color: var(--text-muted); }
.api-key-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin: 1.5rem 0 0.75rem; padding: 1rem 0; border-bottom: 1px solid #d6e0e8; }
.api-key-toolbar[hidden] { display: none; }
.api-key-toolbar h3 { margin: 0; }
.api-key-toolbar p { margin: 0.25rem 0 0; color: var(--text-muted); }
.admin-unlock { display: flex; flex-wrap: wrap; gap: 1rem; align-items: end; max-width: none; margin: 1rem 0; padding: 1rem; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.admin-unlock .field { flex: 1 1 22rem; }
.pin-label { display: block; font-weight: 700; margin-bottom: 0.5rem; }
.pin-inputs { display: flex; gap: 0.625rem; }
.pin-inputs input { width: 3rem; height: 3.25rem; padding: 0; border: 1px solid var(--border); border-radius: 0.625rem; background: #fff; color: var(--text); font-size: 1.25rem; font-weight: 700; text-align: center; }
.pin-inputs input:focus-visible { outline-offset: 3px; }
.pin-label { display: block; font-weight: 700; margin-bottom: 0.5rem; }
.pin-inputs { display: flex; gap: 0.625rem; }
.pin-inputs input { width: 3rem; height: 3.25rem; padding: 0; border: 1px solid var(--border); border-radius: 0.625rem; background: #fff; color: var(--text); font-size: 1.25rem; font-weight: 700; text-align: center; }
.pin-inputs input:focus-visible { outline-offset: 3px; }
.pin-label { display: block; font-weight: 700; margin-bottom: 0.5rem; }
.pin-inputs { display: flex; gap: 0.625rem; }
.pin-inputs input { width: 3rem; height: 3.25rem; padding: 0; border: 1px solid var(--border); border-radius: 0.625rem; background: #fff; color: var(--text); font-size: 1.25rem; font-weight: 700; text-align: center; }
.pin-inputs input:focus-visible { outline-offset: 3px; }
.table-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; min-width: 24rem; }
dialog { max-width: min(38rem, calc(100vw - 2rem)); border: 1px solid var(--border); border-radius: var(--radius); color: var(--text); background: var(--bg); padding: 1.5rem; }
dialog::backdrop { background: rgba(16, 19, 26, 0.55); }
dialog input { display: block; width: 100%; min-height: var(--target); margin: 0.25rem 0 1rem; padding: 0.5rem 0.625rem; border: 1px solid var(--border); border-radius: var(--radius); font: 0.875rem "Consolas", "Cascadia Code", monospace; }
#api-key-editor-dialog { width: min(46rem, calc(100vw - 2rem)); }
#api-key-editor-dialog h2 { margin: 0; }
#api-key-editor-dialog .dialog-intro { margin: 0.5rem 0 1.25rem; color: var(--text-muted); }
#api-key-editor-dialog .field { margin-bottom: 1rem; }
.key-filters { display: flex; flex-wrap: wrap; gap: 1rem; margin: 1rem 0; }
.key-filters[hidden] { display: none; }
.key-filters .field { flex: 1 1 16rem; min-width: 0; }
.key-filters input, .key-filters select { width: 100%; }
.key-store-summary { padding: 0.5rem 0; overflow-wrap: anywhere; }
.key-store-summary + .key-store-summary { border-top: 1px solid var(--border); }
.key-meta { display: block; color: var(--text-muted); font-size: 0.875rem; overflow-wrap: anywhere; }
.key-store-option { padding: 0.75rem 0; border-bottom: 1px solid var(--border); }
.key-choice { display: flex; align-items: center; gap: 0.75rem; min-height: 44px; cursor: pointer; }
#api-key-editor-dialog .key-choice input { flex: 0 0 24px; width: 24px; min-height: 24px; height: 24px; margin: 0; padding: 0; accent-color: var(--primary); }
.key-branch-options { margin: 0.5rem 0 0 1rem; padding-left: 1rem; border-left: 2px solid var(--border); }
.scope-picker { border: 1px solid var(--border); border-radius: var(--radius); }
.scope-picker > summary { min-height: 44px; padding: 0.75rem; cursor: pointer; overflow-wrap: anywhere; }
.scope-picker > fieldset { margin: 0 0.75rem 0.75rem; }
.scope-picker .key-choice { padding: 0.375rem 0; overflow-wrap: anywhere; }
#api-key-editor-dialog { max-height: calc(100dvh - 2rem); overflow-y: auto; }
#api-keys-table td { vertical-align: top; }
#api-keys-table th[scope="row"] { vertical-align: top; }
#api-keys-table .table-actions { min-width: 13rem; max-width: 20rem; }
#app-editor-dialog { width: min(52rem, calc(100vw - 2rem)); max-height: calc(100vh - 2rem); overflow-y: auto; }
#app-editor-dialog h2 { margin: 0 0 1.25rem; }
#app-editor-dialog .field { margin-bottom: 0.875rem; }

/* Toast region */
.toast-region {
  position: fixed;
  bottom: 1rem;
  right: 1rem;
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-width: 24rem;
}
.toast {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  background: var(--bg);
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
  font-size: 0.95rem;
}

/* Visually hidden but announced */
.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;
}

/* Reduced motion: no transitions/animations by default is already compliant;
   ensure any future animation respects the preference. */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

@media (max-width: 640px) {
  .main, .tabs { padding-left: 1rem; padding-right: 1rem; }
  .site-header { padding: 1.25rem 1rem; }
  .panel { padding: 1rem; }
  .tabs { flex-direction: column; }
  .tab { border-radius: var(--radius); text-align: left; }
  .kpis { grid-template-columns: repeat(2, 1fr); }
  .flow-heading, .flow-setup, .partner-qr, .flow-grid { grid-template-columns: 1fr; display: grid; }
  .environment-badge { justify-self: start; }
  .flow-fields { grid-template-columns: 1fr; }
}