:root {
  --ink: #102a3a;
  --ink-soft: #375565;
  --teal: #0b6b65;
  --teal-dark: #07504c;
  --paper: #f3f6f7;
  --surface: #ffffff;
  --line: #d5e0e4;
  --amber: #b95e18;
  --danger: #a72b26;
  --shadow: 0 20px 50px rgba(16, 42, 58, 0.1);
  --body-font: "Noto Sans SC", "Microsoft YaHei UI", "PingFang SC", sans-serif;
  --display-font: Bahnschrift, "Arial Narrow", var(--body-font);
  --mono-font: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
}

* { box-sizing: border-box; }
html { color-scheme: light; background: var(--paper); }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--body-font); }
a { color: inherit; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid rgba(11, 107, 101, 0.35); outline-offset: 3px; }

.app-shell { min-height: 100vh; display: grid; grid-template-columns: 250px 1fr; grid-template-rows: 64px 1fr; }
.sidebar { grid-row: 1 / 3; background: var(--ink); color: #eef7f6; padding: 24px 18px; display: flex; flex-direction: column; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand strong { display: block; font: 700 20px/1 var(--display-font); letter-spacing: .05em; }
.brand small { display: block; margin-top: 5px; color: #8fb0b5; font: 600 9px/1 var(--mono-font); letter-spacing: .14em; }
.brand-mark { width: 34px; height: 34px; display: flex; align-items: end; gap: 3px; padding: 7px; border: 1px solid #4d6a77; }
.brand-mark i { width: 5px; display: block; background: #7fd1c8; }
.brand-mark i:nth-child(1) { height: 11px; }
.brand-mark i:nth-child(2) { height: 18px; }
.brand-mark i:nth-child(3) { height: 14px; }
.primary-nav { display: grid; gap: 4px; margin-top: 40px; }
.primary-nav a { padding: 10px 12px; color: #c8d9dd; text-decoration: none; border-left: 2px solid transparent; font-size: 14px; }
.primary-nav a:hover { color: #fff; background: rgba(255,255,255,.06); border-color: #7fd1c8; }
.nav-label { margin: 24px 12px 6px; color: #6f939d; font: 600 10px/1 var(--mono-font); letter-spacing: .15em; }
.sidebar-foot { margin-top: auto; padding: 14px 10px 0; border-top: 1px solid #2e4a58; color: #91afb6; font-size: 12px; }
.status-dot { display: inline-block; width: 7px; height: 7px; margin-right: 8px; border-radius: 50%; background: #6ec9b8; box-shadow: 0 0 0 4px rgba(110,201,184,.12); }
.topbar { grid-column: 2; display: flex; align-items: center; justify-content: space-between; padding: 0 34px; background: rgba(255,255,255,.88); border-bottom: 1px solid var(--line); backdrop-filter: blur(12px); }
.topbar-context { font: 600 13px/1 var(--mono-font); color: var(--ink-soft); }
.user-menu { display: flex; align-items: center; gap: 14px; font-size: 13px; }
.user-menu form { margin: 0; }
.text-button, .menu-button { border: 0; background: transparent; color: var(--teal); cursor: pointer; padding: 6px; }
.menu-button { display: none; }
.main-content { grid-column: 2; padding: 38px 42px 64px; min-width: 0; }
.page-header { display: flex; align-items: end; justify-content: space-between; margin-bottom: 28px; }
h1, h2 { font-family: var(--display-font); }
h1 { margin: 0; font-size: clamp(30px, 4vw, 46px); line-height: .98; letter-spacing: -.025em; }
h2 { margin: 0; }
.eyebrow { margin: 0 0 10px; color: var(--teal); font: 700 11px/1 var(--mono-font); letter-spacing: .14em; text-transform: uppercase; }
.supporting { color: var(--ink-soft); line-height: 1.7; }
.empty-state { min-height: 320px; display: grid; place-content: center; text-align: center; border: 1px dashed #aac0c8; background: rgba(255,255,255,.55); }
.empty-state p { color: var(--ink-soft); }
.empty-mark { font: 700 34px/1 var(--mono-font); color: #b4c6cc; letter-spacing: .2em; margin-bottom: 22px; }

.public-shell { min-height: 100vh; background: var(--ink); }
.public-content { min-height: 100vh; display: grid; place-items: center; padding: 30px; }
.auth-layout { width: min(1020px, 100%); min-height: 580px; display: grid; grid-template-columns: 1.05fr .95fr; overflow: hidden; background: var(--surface); box-shadow: var(--shadow); }
.auth-aside { position: relative; display: flex; flex-direction: column; justify-content: space-between; padding: 54px; color: #e9f4f4; background: #173b4d; overflow: hidden; }
.auth-aside::after { content: ""; position: absolute; width: 330px; height: 330px; right: -130px; bottom: -145px; border: 48px solid rgba(127,209,200,.1); border-radius: 50%; }
.brand-public { position: relative; z-index: 1; }
.mask-pattern { color: #72b9b2; font: 700 clamp(21px, 3vw, 34px)/1 var(--mono-font); letter-spacing: .11em; transform: rotate(-4deg); white-space: nowrap; }
.auth-aside p { max-width: 340px; color: #bdd1d6; line-height: 1.7; }
.auth-card { padding: 72px 64px; display: flex; flex-direction: column; justify-content: center; }
.auth-card h1, .auth-aside h1 { margin-bottom: 18px; }
.stack-form { display: grid; gap: 10px; margin-top: 28px; }
.stack-form label { margin-top: 8px; font-size: 13px; font-weight: 700; }
.stack-form input, .stack-form select, .stack-form textarea { width: 100%; min-height: 46px; padding: 10px 12px; color: var(--ink); background: #fbfcfc; border: 1px solid #b9cbd1; border-radius: 2px; }
.stack-form input:focus { border-color: var(--teal); box-shadow: 0 0 0 3px rgba(11,107,101,.1); outline: 0; }
.primary-button { min-height: 46px; margin-top: 14px; padding: 12px 18px; color: #fff; background: var(--teal); border: 0; border-radius: 2px; font-weight: 700; text-align: center; text-decoration: none; cursor: pointer; }
.primary-button:hover { background: var(--teal-dark); }
.inline-button { display: inline-block; }
.form-error, .field-error { color: var(--danger); font-size: 13px; line-height: 1.5; }
.form-error { padding: 10px 12px; background: #fff1ef; border-left: 3px solid var(--danger); }
.compact-auth { min-height: 520px; }
.setup-card { align-items: stretch; }
.qr-code { width: 190px; height: 190px; margin: 0 auto 20px; image-rendering: pixelated; }
details { color: var(--ink-soft); font-size: 13px; }
details code { display: block; margin-top: 10px; padding: 10px; background: var(--paper); font: 12px/1.6 var(--mono-font); word-break: break-all; }
.narrow-panel { max-width: 620px; margin: 30px auto; padding: 42px; background: var(--surface); border-top: 4px solid var(--teal); box-shadow: var(--shadow); }
.recovery-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 26px 0; }
.recovery-grid code { padding: 10px; background: var(--paper); color: var(--ink); font: 600 13px/1 var(--mono-font); text-align: center; }
.message-stack { display: grid; gap: 8px; margin-bottom: 20px; }
.message { padding: 12px 14px; background: #e8f5f2; border-left: 3px solid var(--teal); }
.message.error { background: #fff1ef; border-color: var(--danger); }
.panel { background: var(--surface); border: 1px solid var(--line); box-shadow: 0 10px 32px rgba(16,42,58,.05); }
.filter-bar { display: flex; flex-wrap: wrap; align-items: end; gap: 12px; padding: 18px; border-bottom: 1px solid var(--line); }
.filter-bar label { display: grid; gap: 6px; color: var(--ink-soft); font-size: 12px; }
.filter-bar input, .filter-bar select { min-height: 38px; padding: 7px 9px; border: 1px solid #b9cbd1; background: #fff; }
.secondary-button { min-height: 38px; padding: 8px 14px; border: 1px solid var(--teal); color: var(--teal); background: transparent; font-weight: 700; cursor: pointer; }
.table-wrap { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.data-table th { padding: 12px 16px; color: var(--ink-soft); background: #f7f9fa; font: 700 11px/1 var(--mono-font); text-align: left; letter-spacing: .04em; }
.data-table td { padding: 14px 16px; border-top: 1px solid #e5edef; vertical-align: middle; }
.data-table tbody tr:hover { background: #f8fbfb; }
.data-table time { white-space: nowrap; font-family: var(--mono-font); }
.table-empty { padding: 44px !important; color: var(--ink-soft); text-align: center; }
.status-badge { display: inline-flex; padding: 4px 8px; font: 700 11px/1 var(--mono-font); background: #e8f5f2; color: var(--teal-dark); }
.status-badge.failure { color: var(--danger); background: #fff1ef; }
.status-badge.muted { color: #667a84; background: #edf1f2; }
.row-actions { display: flex; align-items: center; justify-content: flex-end; gap: 12px; white-space: nowrap; }
.row-actions form { margin: 0; }
.row-actions a { color: var(--teal); font-weight: 700; text-decoration: none; }
.pagination { display: flex; justify-content: flex-end; align-items: center; gap: 16px; padding: 16px 18px; border-top: 1px solid var(--line); font-size: 13px; }
.pagination a { color: var(--teal); text-decoration: none; font-weight: 700; }
.settings-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.setting-card { min-height: 240px; padding: 26px; background: var(--surface); border-top: 3px solid var(--teal); box-shadow: 0 10px 32px rgba(16,42,58,.06); }
.setting-card h2 { margin: 10px 0 14px; }
.setting-card p { color: var(--ink-soft); line-height: 1.65; }
.setting-card a { display: block; margin-top: 10px; color: var(--teal); font-weight: 700; text-decoration: none; }
.setting-label { font: 700 10px/1 var(--mono-font); letter-spacing: .12em; text-transform: uppercase; }
.danger-panel { border-top-color: var(--danger); }
.danger-button { min-height: 46px; margin-top: 18px; padding: 12px 18px; border: 0; color: #fff; background: var(--danger); font-weight: 700; cursor: pointer; }
.cancel-link { display: inline-block; margin: 18px 0 0 16px; color: var(--ink-soft); }
.inbound-layout { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(280px, .8fr); gap: 20px; }
.inbound-editor { padding: 24px; }
.inbound-editor > label { display: block; margin: 22px 0 8px; font-weight: 700; }
.inbound-editor label small { color: var(--ink-soft); font-weight: 400; }
.inbound-editor textarea { width: 100%; min-height: 360px; resize: vertical; padding: 16px; color: #d7efec; background: #102a3a; border: 1px solid #294958; font: 14px/1.75 var(--mono-font); spellcheck: false; }
.field-row { display: flex; align-items: center; gap: 12px; }
.field-row label { font-weight: 700; }
.field-row select { min-height: 40px; min-width: 180px; padding: 8px; border: 1px solid #b9cbd1; }
.button-row { display: flex; justify-content: flex-end; gap: 10px; margin-top: 16px; }
.button-row .primary-button { margin: 0; }
.precheck-report { padding: 26px; background: #e8eff1; border-top: 4px solid var(--ink); }
.report-counts { display: grid; grid-template-columns: repeat(3, 1fr); margin: 22px 0; }
.report-counts div { padding: 12px; border-left: 1px solid #b7c9cf; }
.report-counts strong { display: block; font: 700 28px/1 var(--display-font); }
.report-counts span { color: var(--ink-soft); font-size: 11px; }
.report-counts .has-error strong { color: var(--danger); }
.report-time { color: var(--ink-soft); font: 11px/1 var(--mono-font); }
.issue-list { max-height: 350px; overflow: auto; padding: 0; list-style: none; }
.issue-list li { padding: 12px 0; border-top: 1px solid #c7d5d9; }
.issue-list span { color: var(--danger); font: 700 11px/1 var(--mono-font); }
.issue-list code { display: block; margin-top: 6px; }
.issue-list p { margin: 5px 0 0; color: var(--ink-soft); font-size: 13px; }
.report-ok { margin-top: 22px; padding: 16px; color: var(--teal-dark); background: #d5ece7; border-left: 3px solid var(--teal); }
.summary-list { margin: 30px 0; }
.summary-list div { display: grid; grid-template-columns: 130px 1fr; padding: 13px 0; border-bottom: 1px solid var(--line); }
.summary-list dt { color: var(--ink-soft); }
.summary-list dd { margin: 0; font-weight: 700; }
.masked-code { color: var(--ink); font-weight: 700; letter-spacing: .05em; }
.status-badge.deleted { color: var(--danger); background: #fff1ef; }
.status-badge.outbound { color: #8a4b16; background: #fff0df; }
.danger-link { color: var(--danger) !important; }
.code-display { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin: 24px 0; padding: 18px; background: var(--paper); border: 1px solid var(--line); }
.code-display code { font: 700 16px/1 var(--mono-font); }
.code-display span { color: var(--ink-soft); }
.product-switcher { display: grid; gap: 5px; }
.product-switcher label { color: var(--ink-soft); font-size: 11px; }
.product-switcher select { min-width: 170px; min-height: 38px; padding: 7px 9px; border: 1px solid #b9cbd1; background: #fff; }
.ledger-metrics { display: grid; grid-template-columns: 1fr 1fr; margin-bottom: 22px; border: 1px solid var(--line); background: var(--surface); }
.ledger-metrics article { position: relative; min-height: 230px; padding: 28px 32px; overflow: hidden; }
.ledger-metrics article + article { border-left: 1px solid var(--line); }
.ledger-metrics article::after { content: "••••"; position: absolute; right: 24px; top: 24px; color: #d8e3e6; font: 700 24px/1 var(--mono-font); letter-spacing: .12em; }
.ledger-metrics strong { display: block; margin: 28px 0 2px; font: 700 clamp(66px, 9vw, 108px)/.8 var(--display-font); color: var(--ink); }
.ledger-metrics h2 { font-size: 17px; }
.ledger-metrics a { position: absolute; right: 28px; bottom: 28px; color: var(--teal); font-weight: 700; text-decoration: none; }
.metric-index { color: var(--teal); font: 700 10px/1 var(--mono-font); letter-spacing: .14em; }
.dashboard-grid { display: grid; grid-template-columns: 1.5fr .75fr; gap: 22px; margin-bottom: 22px; }
.panel > header, .product-ledger > header, .quick-actions > header, .recent-ledger > header { display: flex; align-items: center; justify-content: space-between; padding: 18px 20px; border-bottom: 1px solid var(--line); }
.panel > header h2 { font-size: 18px; }
.panel > header a { color: var(--teal); font-size: 12px; font-weight: 700; text-decoration: none; }
.ledger-row { display: grid; grid-template-columns: 1fr 110px 120px; align-items: center; gap: 16px; padding: 16px 20px; border-top: 1px solid #e7edef; }
.ledger-row:first-of-type { border-top: 0; }
.ledger-row small { display: block; margin-top: 3px; color: var(--ink-soft); font: 10px/1 var(--mono-font); }
.ledger-row span:not(:first-child) { color: var(--ink-soft); font-size: 12px; }
.ledger-row b { display: block; color: var(--ink); font: 700 20px/1 var(--display-font); }
.quick-actions { display: flex; flex-direction: column; }
.quick-actions > a { display: grid; gap: 5px; padding: 18px 20px; text-decoration: none; border-top: 1px solid #e7edef; }
.quick-actions > a:hover { background: #f6faf9; }
.quick-actions > a strong { color: var(--teal); }
.quick-actions > a span { color: var(--ink-soft); font-size: 12px; }
.recent-ledger { margin-top: 22px; }
.backup-warning { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin: -8px 0 20px; padding: 13px 16px; color: #6f370e; background: #fff0df; border-left: 4px solid var(--amber); text-decoration: none; }
.backup-warning span { font-size: 12px; }
.outbound-layout { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(280px, .7fr); gap: 22px; }
.outbound-form-panel { padding: 28px; }
.process-line { display: flex; gap: 20px; padding-bottom: 18px; border-bottom: 1px solid var(--line); color: #81969f; font: 700 10px/1 var(--mono-font); }
.process-line .active { color: var(--teal); }
.outbound-note { padding: 30px; color: #e8f4f3; background: var(--ink); }
.outbound-note h2 { margin: 28px 0 14px; font-size: 28px; }
.outbound-note p { color: #afc5ca; line-height: 1.7; }
.mask-pattern.small { margin-top: 80px; font-size: 20px; transform: none; }
.outbound-success { max-width: 860px; margin: 20px auto; padding: 42px; background: var(--surface); border-top: 5px solid var(--teal); box-shadow: var(--shadow); }
.secret-display { display: grid; grid-template-columns: 1fr auto; gap: 12px; align-items: center; margin: 34px 0; padding: 24px; background: var(--ink); }
.secret-display code { overflow-wrap: anywhere; color: #d9f2ef; font: 700 clamp(17px, 3vw, 28px)/1.3 var(--mono-font); letter-spacing: .05em; }
.copy-button { min-height: 42px; padding: 10px 16px; color: var(--ink); background: #7fd1c8; border: 0; font-weight: 800; cursor: pointer; }
.reveal-panel { border-top-color: var(--amber); }
.header-actions { display: flex; align-items: center; gap: 10px; }

@media (max-width: 820px) {
  .app-shell { display: block; }
  .sidebar { position: fixed; z-index: 30; inset: 0 auto 0 0; width: 260px; transform: translateX(-100%); transition: transform .18s ease; }
  .sidebar.is-open { transform: translateX(0); }
  .topbar { height: 58px; padding: 0 18px; }
  .menu-button { display: inline-block; }
  .main-content { padding: 26px 18px 48px; }
  .auth-layout { grid-template-columns: 1fr; }
  .auth-aside { min-height: 230px; padding: 34px; }
  .mask-pattern { margin-top: 40px; }
  .auth-card { padding: 44px 32px; }
}

@media (max-width: 520px) {
  .public-content { padding: 0; align-items: stretch; }
  .auth-layout { min-height: 100vh; }
  .auth-aside { min-height: 190px; }
  .auth-aside p { display: none; }
  .auth-card { padding: 36px 24px; }
  .user-menu > span { display: none; }
  .narrow-panel { margin: 0; padding: 30px 22px; box-shadow: none; }
  .recovery-grid { grid-template-columns: 1fr; }
  .settings-grid { grid-template-columns: 1fr; }
  .inbound-layout { grid-template-columns: 1fr; }
  .ledger-metrics, .dashboard-grid { grid-template-columns: 1fr; }
  .outbound-layout { grid-template-columns: 1fr; }
  .ledger-metrics article + article { border-left: 0; border-top: 1px solid var(--line); }
  .ledger-row { grid-template-columns: minmax(0, 1fr) 56px 72px; gap: 8px; padding: 14px 18px; }
  .ledger-row > span:first-child { min-width: 0; }
  .ledger-row > span:first-child strong { overflow-wrap: anywhere; }
  .data-table { min-width: 720px; }
}

@media (max-width: 520px) {
  .secret-display { grid-template-columns: 1fr; }
  .header-actions { align-items: stretch; flex-direction: column; }
}

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