:root {
  color-scheme: dark;
  --bg: #080d12;
  --surface: #0e171f;
  --panel: #101c26;
  --panel-strong: #13232d;
  --line: #223440;
  --line-strong: #31505b;
  --text: #f2f7f8;
  --muted: #8fa5ad;
  --quiet: #607680;
  --mint: #72d6b4;
  --mint-soft: #15352f;
  --amber: #f1bf68;
  --red: #ef8d87;
  --radius: 7px;
}

* { box-sizing: border-box; }
html { min-width: 320px; background: var(--bg); }
body { margin: 0; min-height: 100vh; color: var(--text); background: var(--bg); font: 14px/1.5 Inter, "Noto Sans SC", "PingFang SC", system-ui, sans-serif; letter-spacing: 0; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .46; }
[hidden] { display: none !important; }

.login-screen { min-height: 100vh; display: grid; place-items: center; padding: 28px; background: #0b1218; }
.login-panel { width: min(410px, 100%); padding: 34px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); box-shadow: 0 24px 70px rgba(0, 0, 0, .34); }
.brand-lockup { display: inline-flex; align-items: center; gap: 11px; }
.brand-lockup > div { display: grid; }
.brand-lockup strong { font-size: 13px; }
.brand-lockup span:not(.brand-mark) { color: var(--quiet); font: 9px/1.2 ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: .16em; }
.brand-mark { width: 35px; height: 35px; display: grid; place-items: center; border: 1px solid #5ab99f; border-radius: 7px; color: var(--mint); background: #0b181c; font-weight: 800; }
.login-copy { margin: 42px 0 28px; }
.eyebrow, .section-kicker { margin: 0 0 7px; color: var(--mint); font: 10px/1.2 ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: .08em; }
h1, h2, p { margin-top: 0; }
h1 { margin-bottom: 7px; font-size: 29px; line-height: 1.15; }
h2 { margin-bottom: 5px; font-size: 17px; }

.field { display: grid; gap: 8px; color: var(--muted); font-size: 12px; }
input, select, textarea { width: 100%; border: 1px solid var(--line); border-radius: 6px; outline: 0; color: var(--text); background: #0a141c; transition: border-color .16s ease, box-shadow .16s ease; }
input, select { height: 44px; padding: 0 12px; }
textarea { padding: 13px; resize: vertical; }
input:focus, select:focus, textarea:focus { border-color: var(--mint); box-shadow: 0 0 0 3px rgba(114, 214, 180, .11); }
input::placeholder { color: #526974; }
.form-error { margin: 10px 0 0; color: var(--red); font-size: 12px; }

.button { min-height: 38px; padding: 0 14px; border-radius: 5px; font-weight: 700; transition: border-color .16s ease, background .16s ease, color .16s ease; }
.button-primary { border: 1px solid var(--mint); color: #071a16; background: var(--mint); }
.button-primary:hover, .button-primary:focus-visible { background: #91e5c6; }
.button-secondary { border: 1px solid var(--line-strong); color: var(--text); background: transparent; }
.button-secondary:hover, .button-secondary:focus-visible { border-color: var(--mint); background: var(--mint-soft); }
.button-quiet { border: 0; color: var(--muted); background: transparent; }
.button-quiet:hover, .button-quiet:focus-visible { color: var(--text); }
.button-wide { width: 100%; margin-top: 22px; }

.admin-app { min-height: 100vh; }
.topbar { height: 66px; display: flex; align-items: center; gap: 34px; padding: 0 4vw; border-bottom: 1px solid var(--line); background: #0a1117; }
.brand-lockup-compact { min-width: 195px; }
.brand-lockup-compact .brand-mark { width: 31px; height: 31px; }
.topnav { align-self: stretch; display: flex; gap: 4px; }
.nav-button { height: 100%; padding: 0 16px; border: 0; border-bottom: 2px solid transparent; color: var(--muted); background: transparent; font-weight: 650; }
.nav-button:hover, .nav-button:focus-visible { color: var(--text); }
.nav-button.is-active { color: var(--text); border-bottom-color: var(--mint); }
.topbar-actions { margin-left: auto; display: flex; align-items: center; gap: 15px; }
.supplier-chip { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); font-size: 11px; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--amber); box-shadow: 0 0 0 3px rgba(241, 191, 104, .1); }
.supplier-chip.is-online .status-dot { background: var(--mint); box-shadow: 0 0 0 3px rgba(114, 214, 180, .1); }

.workspace { width: min(1440px, 92vw); margin: 0 auto; padding: 38px 0 70px; }
.workspace-heading { min-height: 91px; display: flex; justify-content: space-between; align-items: flex-start; gap: 28px; }
.workspace-heading h1 { margin-bottom: 6px; font-size: 27px; }
.workspace-heading p:last-child { margin-bottom: 0; color: var(--muted); }
.metric-band { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin: 25px 0; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.metric { min-height: 91px; display: grid; align-content: center; gap: 5px; padding: 17px 21px; border-right: 1px solid var(--line); }
.metric:last-child { border-right: 0; }
.metric span { color: var(--quiet); font-size: 11px; }
.metric strong { font: 22px/1.1 ui-monospace, SFMono-Regular, Consolas, monospace; }
.metric-supplier strong { color: var(--mint); }

.generated-band { margin: 0 0 24px; padding: 20px; border: 1px solid #2b6153; border-radius: var(--radius); background: #0e201f; }
.section-heading { display: flex; justify-content: space-between; align-items: flex-start; gap: 20px; }
.inline-actions { display: flex; gap: 7px; }
.code-output { min-height: 112px; margin-top: 13px; color: #c4f4e2; font: 12px/1.65 ui-monospace, SFMono-Regular, Consolas, monospace; }

.toolbar { min-height: 58px; display: flex; justify-content: space-between; align-items: center; gap: 18px; padding: 9px 12px; border: 1px solid var(--line); border-bottom: 0; border-radius: var(--radius) var(--radius) 0 0; background: var(--surface); }
.toolbar-actions { display: flex; align-items: center; gap: 8px; }
.view-section-title { margin: 0; font-size: 17px; }
.view-note { margin: 12px 0 18px; color: var(--muted); font-size: 12px; }
.segmented { display: inline-flex; padding: 3px; border: 1px solid var(--line); border-radius: 6px; background: #091218; }
.segment { min-height: 31px; padding: 0 13px; border: 0; border-radius: 4px; color: var(--muted); background: transparent; font-size: 11px; font-weight: 650; }
.segment:hover, .segment:focus-visible { color: var(--text); }
.segment.is-active { color: #071a16; background: var(--mint); }
.table-frame { overflow-x: auto; border: 1px solid var(--line); border-radius: 0 0 var(--radius) var(--radius); background: var(--panel); }
table { width: 100%; min-width: 960px; border-collapse: collapse; text-align: left; }
th { padding: 11px 15px; color: var(--quiet); background: var(--panel-strong); font-size: 10px; font-weight: 650; }
td { padding: 14px 15px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; vertical-align: middle; }
td code { color: var(--text); font: 11px/1.4 ui-monospace, SFMono-Regular, Consolas, monospace; }
.align-right { text-align: right; }
.table-action { min-height: 31px; padding: 0 10px; border: 1px solid var(--line); border-radius: 4px; color: var(--muted); background: transparent; font-size: 11px; }
.table-action:hover, .table-action:focus-visible { color: var(--text); border-color: var(--line-strong); }
.table-action.danger:hover, .table-action.danger:focus-visible { color: var(--red); border-color: #764a47; }
.status { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); font-weight: 650; }
.status::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--quiet); }
.status.available::before, .status.succeeded::before { background: var(--mint); }
.status.processing::before, .status.submitting::before, .status.pending::before, .status.running::before, .status.manual_review::before { background: var(--amber); }
.status.failed::before, .status.rejected::before, .status.voided::before, .status.expired::before { background: var(--red); }
.empty-state { padding: 54px 20px; color: var(--quiet); text-align: center; }
.account-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 20px; margin-bottom: 22px; }
.account-header h2 { margin-bottom: 0; font-size: 22px; }
.account-header .view-note { margin: 7px 0 0; }
.account-metrics { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-bottom: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.account-metric { min-height: 108px; display: grid; align-content: center; gap: 6px; padding: 20px; border-right: 1px solid var(--line); }
.account-metric:last-child { border-right: 0; }
.account-metric span { color: var(--quiet); font-size: 11px; }
.account-metric strong { color: var(--mint); font: 23px/1.1 ui-monospace, SFMono-Regular, Consolas, monospace; }
.account-plans, .account-notes { margin-top: 18px; padding: 18px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.account-plans h3 { margin: 0; font-size: 15px; }
.account-notes strong { display: block; margin-bottom: 5px; }
.account-notes p { margin: 0 0 15px; color: var(--muted); font-size: 12px; }
.account-notes .button { display: inline-flex; align-items: center; text-decoration: none; }
.status.disabled::before { background: var(--red); }
.card-row-actions { display: inline-flex; justify-content: flex-end; gap: 6px; }
.card-balance-input { width: 90px; height: 31px; padding: 0 7px; font-size: 11px; }

.modal { width: min(660px, calc(100vw - 32px)); max-height: calc(100vh - 40px); padding: 0; overflow: hidden; border: 1px solid var(--line-strong); border-radius: var(--radius); color: var(--text); background: var(--panel); box-shadow: 0 28px 90px rgba(0, 0, 0, .56); }
.modal::backdrop { background: rgba(3, 8, 12, .78); backdrop-filter: blur(4px); }
.modal-inner { padding: 24px; }
.modal-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 25px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.modal-header p:last-child { margin-bottom: 0; color: var(--muted); font-size: 12px; }
.modal-close { width: 32px; height: 32px; flex: 0 0 32px; border: 1px solid var(--line); border-radius: 50%; color: var(--muted); background: transparent; font-size: 21px; line-height: 1; }
.modal-close:hover, .modal-close:focus-visible { color: var(--text); border-color: var(--line-strong); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; padding: 22px 0 7px; }
.upstream-estimate { margin-top: 14px; padding: 15px; border: 1px solid var(--line); border-radius: 6px; background: #0b151c; }
.estimate-heading { display: flex; justify-content: space-between; align-items: flex-start; gap: 14px; }
.estimate-heading h3 { margin: 0; font-size: 14px; }
.estimate-balance { color: var(--mint); font: 14px/1.2 ui-monospace, SFMono-Regular, Consolas, monospace; white-space: nowrap; }
.estimate-plan-list { display: grid; gap: 7px; margin-top: 13px; }
.estimate-row { display: grid; grid-template-columns: minmax(80px, 1fr) repeat(2, minmax(100px, auto)); gap: 12px; align-items: center; padding: 9px 10px; border: 1px solid var(--line); border-radius: 5px; color: var(--muted); font-size: 12px; }
.estimate-row strong { color: var(--text); }
.estimate-row span:last-child { color: var(--amber); text-align: right; }
.estimate-note { margin: 12px 0 0; }
.modal-actions { display: flex; justify-content: flex-end; gap: 9px; margin-top: 21px; }
.toast { position: fixed; right: 24px; bottom: 24px; max-width: min(380px, calc(100vw - 48px)); padding: 12px 15px; border: 1px solid var(--line-strong); border-radius: 6px; color: var(--text); background: #12212a; box-shadow: 0 18px 55px rgba(0, 0, 0, .35); font-size: 12px; }

@media (max-width: 800px) {
  .topbar { height: auto; min-height: 64px; flex-wrap: wrap; gap: 10px 18px; padding: 12px 4vw; }
  .brand-lockup-compact { min-width: 0; }
  .topnav { order: 3; width: 100%; height: 44px; border-top: 1px solid var(--line); }
  .nav-button { flex: 1; }
  .supplier-chip { display: none; }
  .workspace { width: min(94vw, 1440px); padding-top: 26px; }
  .workspace-heading { min-height: 0; align-items: flex-end; }
  .metric-band { grid-template-columns: 1fr 1fr; }
  .metric:nth-child(2) { border-right: 0; }
  .metric:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .form-grid { grid-template-columns: 1fr; }
  .toolbar-actions { flex-wrap: wrap; }
  .estimate-row { grid-template-columns: 1fr 1fr; }
  .estimate-row span:last-child { text-align: left; }
  .account-metrics { grid-template-columns: 1fr; }
  .account-metric { border-right: 0; border-bottom: 1px solid var(--line); }
  .account-metric:last-child { border-bottom: 0; }
}

@media (max-width: 520px) {
  .login-panel { padding: 25px; }
  .workspace-heading { display: grid; }
  .workspace-heading .button { width: 100%; }
  .metric-band { grid-template-columns: 1fr; }
  .metric { border-right: 0; border-bottom: 1px solid var(--line); }
  .metric:last-child { border-bottom: 0; }
  .section-heading, .toolbar, .account-header { align-items: stretch; flex-direction: column; }
  .inline-actions, .segmented { width: 100%; }
  .inline-actions .button, .segment { flex: 1; }
  .toolbar-actions { display: grid; grid-template-columns: 1fr 1fr; }
  .toolbar-actions .button:last-child { grid-column: 1 / -1; }
  .modal-inner { padding: 19px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}