:root {
  color-scheme: dark;
  --bg: #080d12;
  --bg-raised: #0e171f;
  --panel: #101c26;
  --panel-soft: #13232d;
  --line: #223440;
  --line-strong: #31505b;
  --text: #f2f7f8;
  --muted: #8fa5ad;
  --quiet: #607680;
  --mint: #72d6b4;
  --mint-strong: #39b98e;
  --mint-soft: #15352f;
  --amber: #f1bf68;
  --red: #ef8d87;
  --shadow: 0 18px 60px rgba(0, 0, 0, .24);
  --radius: 8px;
}

* { box-sizing: border-box; }

html { min-width: 320px; background: var(--bg); }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background: var(--bg);
  font-family: Inter, "Noto Sans SC", "PingFang SC", system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.55;
  letter-spacing: 0;
}

button, input, textarea { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .45; }
a { color: inherit; }

.app-shell { min-height: 100vh; background: linear-gradient(180deg, #0b1218 0, var(--bg) 360px); }
.topbar { height: 74px; padding: 0 5.5vw; display: flex; align-items: center; gap: 36px; border-bottom: 1px solid var(--line); background: rgba(8, 13, 18, .92); }
.brand { display: inline-flex; align-items: center; gap: 11px; min-width: 230px; text-decoration: none; }
.brand-mark { width: 34px; height: 34px; display: grid; place-items: center; border: 1px solid #5ab99f; border-radius: 10px; color: var(--mint); font-size: 18px; font-weight: 800; box-shadow: inset 0 0 0 4px rgba(114, 214, 180, .08); }
.brand-copy { display: grid; gap: 0; }
.brand-copy strong { font-size: 14px; letter-spacing: .01em; }
.brand-copy small { color: var(--quiet); font-size: 9px; letter-spacing: .16em; }
.top-nav { display: flex; align-items: center; gap: 4px; height: 100%; }
.nav-item { height: 100%; padding: 0 16px; border: 0; border-bottom: 2px solid transparent; color: var(--muted); background: transparent; font-size: 13px; }
.nav-item:hover, .nav-item:focus-visible { color: var(--text); }
.nav-item.is-active { color: var(--text); border-bottom-color: var(--mint); }
.nav-version { margin-left: 12px; color: var(--quiet); font: 11px/1 ui-monospace, SFMono-Regular, Consolas, monospace; }
.top-actions { margin-left: auto; display: flex; align-items: center; gap: 15px; }
.secure-label { display: inline-flex; align-items: center; gap: 7px; color: var(--muted); font-size: 12px; }
.status-dot { width: 7px; height: 7px; display: inline-block; border-radius: 50%; background: var(--mint); box-shadow: 0 0 0 3px rgba(114, 214, 180, .1); }
.icon-button { width: 31px; height: 31px; border: 1px solid var(--line); border-radius: 50%; color: var(--muted); background: var(--panel); }
.icon-button:hover, .icon-button:focus-visible { color: var(--text); border-color: var(--line-strong); }

.page-grid { width: min(1180px, 89vw); margin: 0 auto; padding: 48px 0 70px; display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 24px; }
.workspace { min-width: 0; }
.announcement { margin-bottom: 28px; padding: 17px 19px; border: 1px solid #245269; border-radius: var(--radius); background: #102c3b; }
.announcement-title { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 650; }
.announcement-tag { padding: 3px 8px; border-radius: 4px; color: #08221d; background: var(--mint); font-size: 11px; font-weight: 800; }
.announcement p { margin: 10px 0 0; color: #a4bdc5; font-size: 12px; }
.view-panel { min-height: 650px; }
.page-heading { display: flex; justify-content: space-between; gap: 20px; margin-bottom: 25px; }
.eyebrow { margin: 0 0 7px; color: var(--mint); font: 11px/1.2 ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: .07em; text-transform: uppercase; }
h1, h2, p { margin-top: 0; }
h1 { margin-bottom: 7px; font-size: clamp(31px, 4vw, 45px); line-height: 1.07; letter-spacing: -.02em; }
h2 { margin-bottom: 7px; font-size: 17px; line-height: 1.25; }
.lede { margin-bottom: 0; color: var(--muted); }
.heading-badge { padding-top: 17px; color: var(--mint); font: 20px/1 ui-monospace, SFMono-Regular, Consolas, monospace; }
.heading-badge span { margin: 0 3px; color: var(--quiet); font-size: 12px; }
.activation-form, .status-form { padding: 25px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); box-shadow: var(--shadow); }
.field-group + .field-group { margin-top: 24px; }
.field-label-row { display: flex; justify-content: space-between; align-items: center; gap: 15px; margin-bottom: 9px; }
.field-label-row label { display: inline-flex; align-items: center; gap: 8px; color: var(--text); font-weight: 650; }
.field-icon { width: 18px; color: var(--mint); font: 14px/1 ui-monospace, SFMono-Regular, Consolas, monospace; text-align: center; }
.field-hint, .field-footer { color: var(--quiet); font-size: 11px; }
.field-footer { display: flex; justify-content: space-between; margin-top: 6px; }
input, textarea { width: 100%; border: 1px solid var(--line); border-radius: var(--radius); outline: 0; color: var(--text); background: #0b151d; transition: border-color .18s ease, box-shadow .18s ease; }
input { height: 49px; padding: 0 15px; }
textarea { min-height: 165px; padding: 14px 15px; resize: vertical; line-height: 1.55; }
input::placeholder, textarea::placeholder { color: #536a74; }
input:focus, textarea:focus { border-color: var(--mint); box-shadow: 0 0 0 3px rgba(114, 214, 180, .12); }
.field-error { margin: 7px 0 0; color: var(--red); font-size: 12px; }
.text-button { padding: 0; border: 0; color: var(--mint); background: transparent; font-size: 12px; }
.text-button:hover, .text-button:focus-visible { color: var(--text); }
.tutorial-panel { margin-top: 18px; padding: 17px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel-soft); }
.tutorial-heading { display: flex; gap: 12px; align-items: flex-start; }
.tutorial-heading + .tutorial-heading { margin-top: 16px; }
.tutorial-number { color: var(--mint); font: 12px/1.6 ui-monospace, SFMono-Regular, Consolas, monospace; }
.tutorial-heading strong { display: block; font-size: 13px; }
.tutorial-heading p { margin: 3px 0 0; color: var(--muted); font-size: 12px; }
.tutorial-link { display: flex; justify-content: space-between; margin: 15px 0 16px 28px; padding: 10px 12px; border: 1px solid var(--line-strong); border-radius: 5px; color: var(--mint); background: #0d1b22; font: 11px ui-monospace, SFMono-Regular, Consolas, monospace; text-decoration: none; }
.tutorial-link:hover, .tutorial-link:focus-visible { border-color: var(--mint); }
.secondary-button, .primary-button { min-height: 42px; border-radius: 5px; font-weight: 700; transition: transform .18s ease, border-color .18s ease, background .18s ease; }
.secondary-button { padding: 0 15px; border: 1px solid var(--line-strong); color: var(--text); background: transparent; }
.secondary-button:hover, .secondary-button:focus-visible { border-color: var(--mint); background: var(--mint-soft); }
.primary-button { width: 100%; display: flex; justify-content: center; align-items: center; gap: 12px; padding: 0 18px; border: 1px solid var(--mint); color: #071a16; background: var(--mint); }
.primary-button:hover, .primary-button:focus-visible { background: #91e5c6; transform: translateY(-1px); }
.primary-button.compact { width: auto; min-width: 190px; }
.button-arrow { font-size: 19px; line-height: 1; }
.consent-row { display: flex; align-items: flex-start; gap: 10px; margin: 22px 0; color: var(--muted); font-size: 12px; cursor: pointer; }
.consent-row input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.consent-box { width: 16px; height: 16px; flex: 0 0 16px; margin-top: 1px; border: 1px solid var(--line-strong); border-radius: 3px; background: #0b151d; }
.consent-row input:checked + .consent-box { border-color: var(--mint); background: var(--mint); box-shadow: inset 0 0 0 3px #0b151d; }
.consent-row input:focus-visible + .consent-box { outline: 2px solid var(--mint); outline-offset: 2px; }
.form-note { margin: 11px 0 0; color: var(--quiet); font-size: 11px; text-align: center; }
.session-modal { width: min(700px, calc(100vw - 32px)); max-height: min(86vh, 760px); margin: auto; 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, .55); }
.session-modal::backdrop { background: rgba(3, 8, 12, .78); backdrop-filter: blur(5px); }
.session-modal-inner { max-height: min(86vh, 760px); padding: 25px; overflow-y: auto; }
.modal-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 24px; margin-bottom: 23px; padding-bottom: 19px; border-bottom: 1px solid var(--line); }
.modal-header h2 { margin-bottom: 5px; font-size: 21px; }
.modal-header .icon-button { flex: 0 0 31px; font-size: 20px; line-height: 1; }
.modal-lede { margin-bottom: 0; color: var(--muted); font-size: 12px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 23px; }
.session-modal .result-card { margin: 0; padding: 0; border: 0; background: transparent; box-shadow: none; }
.result-card { margin-top: 20px; padding: 23px 25px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); box-shadow: var(--shadow); }
.result-card-header { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 19px; }
.result-kicker { color: var(--mint); font: 11px ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: .06em; text-transform: uppercase; }
.result-state { padding: 4px 9px; border: 1px solid var(--line-strong); border-radius: 4px; color: var(--amber); font-size: 11px; }
.result-state.good { color: var(--mint); border-color: #2e6858; background: var(--mint-soft); }
.result-state.bad { color: var(--red); border-color: #784a47; background: #2b1718; }
.result-main { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.result-label { margin-bottom: 3px; color: var(--quiet); font-size: 11px; }
.result-main strong { font-size: 15px; overflow-wrap: anywhere; }
.result-message { margin: 18px 0 0; color: var(--muted); font-size: 13px; }
.result-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 22px; }
.task-progress { display: flex; align-items: flex-start; gap: 9px; margin: 22px 0 17px; }
.progress-step { display: grid; gap: 6px; min-width: 78px; color: var(--quiet); font-size: 11px; }
.progress-step span { width: 25px; height: 25px; display: grid; place-items: center; border: 1px solid var(--line-strong); border-radius: 50%; font: 10px ui-monospace, SFMono-Regular, Consolas, monospace; }
.progress-step strong { font-weight: 550; }
.progress-step.is-current, .progress-step.is-done { color: var(--mint); }
.progress-step.is-current span, .progress-step.is-done span { border-color: var(--mint); color: #092019; background: var(--mint); }
.progress-line { height: 1px; flex: 1; margin-top: 12px; background: var(--line-strong); }
.task-meta { display: flex; align-items: center; gap: 10px; margin-top: 20px; padding-top: 15px; border-top: 1px solid var(--line); color: var(--quiet); font-size: 11px; }
.task-meta code { color: var(--muted); font: 11px ui-monospace, SFMono-Regular, Consolas, monospace; overflow-wrap: anywhere; }
.activation-result .secondary-button { margin-top: 23px; }
.status-form { max-width: 690px; }
.status-form .primary-button { margin-top: 23px; }
.result-time { margin: 8px 0 0; color: var(--quiet); font-size: 11px; }
.lookup-mode-switch { width: min(360px, 100%); display: grid; grid-template-columns: 1fr 1fr; margin-bottom: 14px; padding: 3px; border: 1px solid var(--line); border-radius: 6px; background: #0b151d; }
.lookup-mode-button { min-height: 37px; border: 0; border-radius: 4px; color: var(--muted); background: transparent; font-size: 12px; font-weight: 650; }
.lookup-mode-button:hover, .lookup-mode-button:focus-visible { color: var(--text); }
.lookup-mode-button.is-active { color: #082019; background: var(--mint); }
.batch-result { margin-top: 20px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); box-shadow: var(--shadow); }
.batch-result-header { min-height: 74px; display: flex; justify-content: space-between; align-items: center; gap: 18px; padding: 17px 20px; border-bottom: 1px solid var(--line); }
.batch-summary { margin: 5px 0 0; color: var(--muted); font-size: 12px; }
.field-footer .is-over { color: var(--red); font-weight: 700; }
.batch-table-wrap { width: 100%; overflow-x: auto; }
.batch-table { width: 100%; min-width: 720px; border-collapse: collapse; text-align: left; }
.batch-table th { padding: 11px 16px; color: var(--quiet); background: var(--panel-soft); font-size: 10px; font-weight: 650; }
.batch-table td { padding: 14px 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; vertical-align: top; overflow-wrap: anywhere; }
.batch-table tbody tr:first-child td { border-top: 0; }
.batch-table code { color: var(--text); font: 12px ui-monospace, SFMono-Regular, Consolas, monospace; }
.batch-status { display: inline-block; color: var(--amber); font-weight: 650; }
.batch-status.good { color: var(--mint); }
.batch-status.bad { color: var(--red); }
.batch-error-reason { display: block; max-width: 230px; margin-top: 4px; color: var(--red); line-height: 1.4; overflow-wrap: anywhere; }
.batch-row-retry { display: block; margin-top: 7px; }

.status-rail { display: grid; align-content: start; gap: 14px; padding-top: 126px; }
.rail-card { padding: 19px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(16, 28, 38, .82); }
.rail-card-top { display: flex; justify-content: space-between; align-items: center; }
.live-pill { display: inline-flex; align-items: center; gap: 6px; color: var(--mint); font-size: 10px; }
.rail-card h2 { margin-top: 19px; }
.rail-card p { margin-bottom: 0; color: var(--muted); font-size: 12px; }
.service-row { display: grid; grid-template-columns: 8px 1fr; gap: 7px 10px; align-items: center; margin-top: 19px; padding-top: 14px; border-top: 1px solid var(--line); }
.service-row strong { font-size: 12px; }
.service-state { grid-column: 2; color: var(--quiet); font-size: 11px; }
.service-row.muted { margin-top: 12px; padding-top: 12px; opacity: .55; }
.steps-card h2 { margin-top: 19px; }
.steps-list { display: grid; gap: 18px; margin: 20px 0 0; padding: 0; list-style: none; }
.steps-list li { display: grid; grid-template-columns: 24px 1fr; gap: 9px; }
.steps-list li > span { color: var(--quiet); font: 11px ui-monospace, SFMono-Regular, Consolas, monospace; }
.steps-list li.is-active > span, .steps-list li.is-done > span { color: var(--mint); }
.steps-list li.is-done { opacity: .7; }
.steps-list strong { display: block; font-size: 12px; }
.steps-list p { margin: 2px 0 0; color: var(--quiet); font-size: 11px; }
.safety-card { display: flex; gap: 10px; align-items: flex-start; border-color: #315344; background: #12241f; }
.safety-icon { width: 20px; height: 20px; display: grid; place-items: center; border: 1px solid var(--mint); border-radius: 50%; color: var(--mint); font-size: 13px; }
.safety-card strong { display: block; color: var(--mint); font-size: 12px; }
.safety-card p { margin-top: 4px; color: #94b4aa; }
.footer { width: min(1180px, 89vw); margin: 0 auto; padding: 22px 0 30px; display: flex; justify-content: space-between; gap: 15px; border-top: 1px solid var(--line); color: var(--quiet); font-size: 11px; }
.toast { position: fixed; right: 24px; bottom: 24px; max-width: 330px; padding: 12px 15px; border: 1px solid var(--line-strong); border-radius: 5px; color: var(--text); background: #142630; box-shadow: var(--shadow); font-size: 12px; }

body.light { color-scheme: light; --bg: #edf3f2; --bg-raised: #f4f8f7; --panel: #ffffff; --panel-soft: #f0f7f5; --line: #d7e3e1; --line-strong: #acc6c0; --text: #10211f; --muted: #526967; --quiet: #7a908d; --mint: #168c6b; --mint-strong: #117559; --mint-soft: #e0f3ed; --shadow: 0 18px 50px rgba(31, 67, 60, .1); }
body.light .app-shell { background: linear-gradient(180deg, #f2f7f6 0, var(--bg) 360px); }
body.light .topbar { background: rgba(237, 243, 242, .92); }
body.light input, body.light textarea { background: #fbfdfd; }
body.light .lookup-mode-switch { background: #fbfdfd; }
body.light .primary-button { color: #f6fffb; background: var(--mint-strong); }
body.light .primary-button:hover, body.light .primary-button:focus-visible { background: var(--mint); }

@media (max-width: 900px) {
  .topbar { padding: 0 5vw; gap: 20px; }
  .brand { min-width: 0; }
  .nav-version, .secure-label { display: none; }
  .page-grid { grid-template-columns: 1fr; width: min(720px, 89vw); }
  .status-rail { grid-row: 2; grid-template-columns: 1fr 1fr; padding-top: 0; }
  .safety-card { grid-column: 1 / -1; }
}

@media (max-width: 600px) {
  .topbar { height: auto; min-height: 66px; flex-wrap: wrap; padding: 12px 5.5vw 0; gap: 10px; }
  .top-nav { order: 3; width: 100%; height: 41px; border-top: 1px solid var(--line); }
  .nav-item { height: 41px; padding: 0 12px; }
  .top-actions { margin-left: auto; }
  .page-grid { width: 89vw; padding-top: 27px; }
  .announcement { margin-bottom: 22px; }
  .page-heading { margin-bottom: 20px; }
  .heading-badge { display: none; }
  .activation-form, .status-form, .result-card { padding: 19px; }
  .session-modal { width: calc(100vw - 22px); max-height: 92vh; }
  .session-modal-inner { max-height: 92vh; padding: 18px; }
  .modal-header { gap: 14px; }
  .modal-actions { flex-direction: column-reverse; }
  .modal-actions .primary-button, .modal-actions .secondary-button { width: 100%; }
  .result-actions { flex-direction: column-reverse; }
  .result-actions .primary-button, .result-actions .secondary-button { width: 100%; }
  .batch-result-header { align-items: stretch; flex-direction: column; }
  .batch-result-header .secondary-button { width: 100%; }
  .batch-table { min-width: 0; }
  .batch-table thead { display: none; }
  .batch-table, .batch-table tbody, .batch-table tr, .batch-table td { display: block; width: 100%; }
  .batch-table tr { padding: 13px 16px; border-top: 1px solid var(--line); }
  .batch-table tr:first-child { border-top: 0; }
  .batch-table td { display: grid; grid-template-columns: 78px minmax(0, 1fr); gap: 10px; padding: 5px 0; border: 0; }
  .batch-table td::before { content: attr(data-label); color: var(--quiet); font-size: 10px; }
  .batch-error-reason { max-width: none; }
  .status-rail { grid-template-columns: 1fr; }
  .safety-card { grid-column: auto; }
  .footer { width: 89vw; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}