:root {
  --ink: #07131f;
  --panel: #0c1b29;
  --panel-raised: #112535;
  --line: #284153;
  --line-soft: #1a3142;
  --text: #edf7fa;
  --muted: #8fa8b5;
  --signal: #39d8c4;
  --signal-soft: #123d3d;
  --amber: #ffc46b;
  --danger: #ff7f7f;
  --white: #ffffff;
  --display: "Arial Narrow", "Noto Sans SC", sans-serif;
  --body: Inter, "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: "SFMono-Regular", Consolas, monospace;
}

* { box-sizing: border-box; }
html { min-height: 100%; background: var(--ink); }
body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  font-family: var(--body);
  background:
    linear-gradient(90deg, transparent 49.8%, rgba(57,216,196,.025) 50%, transparent 50.2%),
    radial-gradient(circle at 82% -20%, #16405a 0, transparent 36%),
    var(--ink);
}
button, input, select { font: inherit; }
button { cursor: pointer; }
button:focus-visible, input:focus-visible, select:focus-visible { outline: 2px solid var(--signal); outline-offset: 2px; }

.login-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(320px, 1.15fr) minmax(360px, .85fr);
}
.login-thesis { padding: clamp(40px, 8vw, 112px); display: flex; flex-direction: column; justify-content: space-between; }
.wordmark { display: flex; align-items: center; gap: 14px; font: 700 14px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.mark { width: 28px; height: 28px; border: 1px solid var(--signal); display: grid; place-items: center; color: var(--signal); transform: rotate(45deg); }
.mark span { transform: rotate(-45deg); }
.thesis-copy { max-width: 740px; }
.eyebrow { color: var(--signal); font: 700 12px/1.4 var(--mono); letter-spacing: .16em; text-transform: uppercase; }
h1 { margin: 22px 0 24px; font: 800 clamp(56px, 7vw, 104px)/.88 var(--display); letter-spacing: -.055em; text-transform: uppercase; }
.thesis-copy p { max-width: 610px; color: var(--muted); font-size: 18px; line-height: 1.75; }
.boundary-note { display: flex; gap: 18px; align-items: center; color: var(--muted); font: 12px/1.5 var(--mono); }
.boundary-note::before { content: ""; width: 64px; height: 1px; background: var(--signal); }
.login-panel { background: rgba(12,27,41,.94); border-left: 1px solid var(--line); display: grid; place-items: center; padding: 32px; }
.login-card { width: min(420px, 100%); }
.login-card h2 { margin: 12px 0 8px; font: 700 34px/1.1 var(--display); letter-spacing: -.02em; }
.login-card > p { color: var(--muted); line-height: 1.6; margin-bottom: 32px; }

label { display: block; color: var(--muted); font-size: 13px; margin-bottom: 18px; }
input, select {
  width: 100%; margin-top: 8px; padding: 12px 14px; color: var(--text); background: #091722;
  border: 1px solid var(--line); border-radius: 4px;
}
.primary, .quiet, .danger-button, .icon-button { border-radius: 4px; padding: 11px 16px; border: 1px solid transparent; }
.primary { background: var(--signal); color: #03221f; font-weight: 800; }
.primary:hover { background: #64ead9; }
.quiet { background: transparent; color: var(--text); border-color: var(--line); }
.quiet:hover { border-color: var(--signal); color: var(--signal); }
.danger-button { background: transparent; border-color: #63323a; color: var(--danger); }
.wide { width: 100%; }
.form-error { min-height: 22px; color: var(--danger); font-size: 13px; }

.shell { min-height: 100vh; display: grid; grid-template-columns: 230px 1fr; }
.sidebar { position: sticky; top: 0; height: 100vh; padding: 28px 22px; border-right: 1px solid var(--line); background: #081622; display: flex; flex-direction: column; }
.sidebar .wordmark { margin-bottom: 56px; }
.sidebar nav { display: grid; gap: 8px; }
.nav-item { padding: 12px 13px; color: var(--muted); border-left: 2px solid transparent; font-size: 14px; }
.nav-item.active { color: var(--text); border-color: var(--signal); background: linear-gradient(90deg, var(--signal-soft), transparent); }
.sidebar-foot { margin-top: auto; padding-top: 20px; border-top: 1px solid var(--line-soft); }
.admin-label { margin: 0 0 12px; color: var(--muted); font: 12px/1.5 var(--mono); }
.workspace { min-width: 0; padding: 34px clamp(24px, 5vw, 72px) 72px; }
.topbar { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; margin-bottom: 46px; }
.topbar h1 { margin: 7px 0 0; font-size: clamp(44px, 5vw, 72px); }
.summary { display: flex; gap: 32px; }
.metric { min-width: 90px; }
.metric strong { display: block; font: 700 32px/1 var(--display); }
.metric span { color: var(--muted); font-size: 12px; }
.section-head { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 18px; }
.section-head h2 { margin: 0; font: 700 24px/1.2 var(--display); }
.section-head p { color: var(--muted); margin: 6px 0 0; font-size: 13px; }
.enterprise-list { display: grid; gap: 16px; }
.enterprise {
  display: grid; grid-template-columns: minmax(220px, .8fr) minmax(300px, 1.6fr); overflow: hidden;
  border: 1px solid var(--line); background: var(--panel); border-radius: 6px;
}
.enterprise-meta { padding: 26px; border-right: 1px solid var(--line); position: relative; }
.enterprise-meta::after { content: ""; position: absolute; right: -5px; top: 42px; width: 9px; height: 9px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 0 5px var(--signal-soft); }
.code { color: var(--signal); font: 700 11px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.enterprise h3 { margin: 10px 0 16px; font: 700 28px/1.1 var(--display); }
.address { color: var(--muted); font: 12px/1.5 var(--mono); overflow-wrap: anywhere; }
.status { display: inline-flex; margin-top: 18px; padding: 5px 9px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font-size: 11px; }
.status.active { color: var(--signal); border-color: #276e68; }
.identity-state { margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--line-soft); display: grid; gap: 10px; color: var(--muted); font-size: 12px; }
.identity-state .quiet { width: fit-content; padding: 8px 10px; }
.application-rail { padding: 22px 26px 26px 36px; }
.rail-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; color: var(--muted); font-size: 12px; }
.apps { display: grid; gap: 8px; }
.app-row { display: grid; grid-template-columns: minmax(120px,.7fr) minmax(180px,1.4fr) auto auto; gap: 14px; align-items: center; padding: 12px 14px; border: 1px solid var(--line-soft); background: #0a1824; }
.app-name { font-weight: 700; font-size: 14px; }
.app-url { color: var(--muted); font: 11px/1.4 var(--mono); overflow-wrap: anywhere; }
.switch { width: 40px; height: 22px; border: 0; border-radius: 999px; background: #334350; padding: 3px; }
.switch::after { content: ""; display: block; width: 16px; height: 16px; border-radius: 50%; background: #8395a0; transition: transform .18s ease; }
.switch.on { background: var(--signal-soft); }
.switch.on::after { transform: translateX(18px); background: var(--signal); }
.remove { padding: 6px 8px; border: 0; background: transparent; color: #718793; font-size: 18px; }
.remove:hover { color: var(--danger); }
.empty { padding: 20px; border: 1px dashed var(--line); color: var(--muted); text-align: center; font-size: 13px; }
.audit { margin-top: 44px; }
.audit-list { border-top: 1px solid var(--line); }
.audit-row { display: grid; grid-template-columns: 160px 120px 1fr; gap: 16px; padding: 13px 4px; border-bottom: 1px solid var(--line-soft); font-size: 12px; }
.audit-row time, .audit-row span { color: var(--muted); font-family: var(--mono); }

.modal-backdrop { position: fixed; inset: 0; background: rgba(2,10,16,.78); display: grid; place-items: center; padding: 20px; z-index: 10; }
.modal { width: min(560px, 100%); max-height: 90vh; overflow: auto; padding: 26px; background: var(--panel-raised); border: 1px solid var(--line); border-radius: 6px; box-shadow: 0 24px 80px #0008; }
.modal-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; }
.modal h2 { margin: 0; font: 700 26px/1 var(--display); }
.modal-note { margin: -10px 0 22px; color: var(--muted); font-size: 13px; line-height: 1.65; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 26px; }
.icon-button { color: var(--muted); background: transparent; font-size: 20px; padding: 4px 8px; }
.toast { position: fixed; right: 24px; bottom: 24px; max-width: 420px; padding: 13px 16px; background: var(--text); color: var(--ink); border-left: 4px solid var(--signal); box-shadow: 0 10px 34px #0007; z-index: 20; }
.toast.error { border-color: var(--danger); }

@media (max-width: 900px) {
  .login-shell { grid-template-columns: 1fr; }
  .login-thesis { min-height: 52vh; padding: 40px 28px; }
  .login-panel { border-left: 0; border-top: 1px solid var(--line); padding: 52px 28px; }
  .shell { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; flex-direction: row; align-items: center; gap: 20px; padding: 16px 22px; }
  .sidebar .wordmark { margin: 0; }
  .sidebar nav { display: none; }
  .sidebar-foot { margin: 0 0 0 auto; padding: 0; border: 0; }
  .admin-label { display: none; }
  .enterprise { grid-template-columns: 1fr; }
  .enterprise-meta { border-right: 0; border-bottom: 1px solid var(--line); }
  .enterprise-meta::after { top: auto; right: auto; left: 26px; bottom: -5px; }
}
@media (max-width: 620px) {
  .workspace { padding: 28px 16px 56px; }
  .topbar { display: block; }
  .summary { margin-top: 24px; }
  .section-head { align-items: flex-start; }
  .app-row { grid-template-columns: 1fr auto auto; }
  .app-url { grid-column: 1 / -1; grid-row: 2; }
  .audit-row { grid-template-columns: 1fr; gap: 5px; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; } }