:root {
  --bg: #f5f7fa;
  --panel: #ffffff;
  --line: #dce3eb;
  --text: #17202a;
  --muted: #687789;
  --primary: #146a8f;
  --primary-dark: #0f4f6f;
  --accent: #b06b2b;
  --danger: #b42318;
  --success: #147a4a;
  --warning: #a15c00;
  --shadow: 0 10px 24px rgba(23, 32, 42, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background: var(--bg);
  font: 14px/1.5 "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  letter-spacing: 0;
}

.login-screen {
  position: fixed;
  inset: 0;
  overflow: hidden;
  background: #101820;
}

.login-video {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  min-width: 100%;
  min-height: 100%;
  transform: translate(-50%, -50%);
  object-fit: cover;
}

.login-overlay {
  position: relative;
  z-index: 1;
  display: grid;
  min-height: 100vh;
  place-items: center;
  background: rgba(0, 0, 0, 0.52);
}

.login-form {
  display: grid;
  width: min(560px, calc(100vw - 32px));
  gap: 18px;
  padding: 34px 46px;
  border-radius: 20px;
  background: rgba(0, 0, 0, 0.5);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.35);
}

.login-form h1 {
  margin: 0;
  color: #fff;
  text-align: center;
  font-size: 22px;
  font-weight: 700;
}

.login-tabs {
  display: flex;
  justify-content: center;
  color: #d9c5a6;
  font-size: 16px;
  font-weight: 700;
}

.login-form input {
  min-height: 54px;
  border: 0;
  border-radius: 18px;
  padding: 0 20px;
  font-size: 16px;
}

.login-btn {
  min-height: 54px;
  border-radius: 27px;
  font-size: 18px;
}

.login-error {
  min-height: 20px;
  color: #ffd2cf;
  text-align: center;
}

.login-overlay footer {
  position: fixed;
  bottom: 16px;
  left: 0;
  width: 100%;
  color: #fff;
  text-align: center;
  font-size: 12px;
  letter-spacing: 1px;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  border: 0;
  cursor: pointer;
}

.app-shell {
  display: grid;
  grid-template-columns: 248px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  background: #102a3a;
  color: #fff;
  padding: 22px 16px;
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 24px;
}

.brand-mark {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  border-radius: 8px;
  background: #d9edf5;
  color: #102a3a;
  font-weight: 800;
}

.brand h1 {
  margin: 0;
  font-size: 18px;
}

.nav {
  display: grid;
  gap: 8px;
}

.nav button {
  width: 100%;
  min-height: 42px;
  padding: 0 12px;
  border-radius: 8px;
  background: transparent;
  color: #dbe7ee;
  text-align: left;
}

.nav button.active,
.nav button:hover {
  background: #1c4258;
  color: #fff;
}

.main {
  min-width: 0;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 88px;
  padding: 18px 28px;
  border-bottom: 1px solid var(--line);
  background: rgba(245, 247, 250, 0.92);
  backdrop-filter: blur(8px);
}

.eyebrow {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

.topbar h2 {
  margin: 2px 0 0;
  font-size: 24px;
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.view {
  padding: 24px 28px 40px;
}

.message {
  margin: 16px 28px 0;
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #fff;
}

.message.error {
  color: var(--danger);
  border-color: #f2b8b5;
  background: #fff5f5;
}

.message.success {
  color: var(--success);
  border-color: #a7dfc4;
  background: #f1fbf6;
}

.hidden {
  display: none !important;
}

.grid {
  display: grid;
  gap: 16px;
}

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
}

.panel-header h3 {
  margin: 0;
  font-size: 17px;
}

.panel-body {
  padding: 18px;
}

.sub-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: none;
}

.sub-panel + .sub-panel {
  margin-top: 14px;
}

.rule-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.rule {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfe;
}

.rule strong {
  display: block;
  margin-bottom: 4px;
}

.rule span,
.muted {
  color: var(--muted);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.field {
  display: grid;
  gap: 6px;
}

.field.full {
  grid-column: 1 / -1;
}

label {
  color: #314152;
  font-weight: 600;
}

.required::after {
  content: " *";
  color: var(--danger);
}

input,
select,
textarea {
  width: 100%;
  min-height: 38px;
  border: 1px solid #cbd6e2;
  border-radius: 6px;
  padding: 8px 10px;
  background: #fff;
  color: var(--text);
}

textarea {
  min-height: 84px;
  resize: vertical;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.btn {
  min-height: 38px;
  padding: 0 14px;
  border-radius: 6px;
  background: var(--primary);
  color: #fff;
  font-weight: 700;
}

.btn:hover {
  background: var(--primary-dark);
}

.btn.secondary {
  background: #e8eef3;
  color: #1f3342;
}

.export-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  text-decoration: none;
}

.btn.warning {
  background: var(--accent);
}

.btn.danger {
  background: var(--danger);
}

.ghost {
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--text);
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 9px;
  border: 1px solid #c8d7e2;
  border-radius: 999px;
  background: #eef6f9;
  color: #17465c;
  font-size: 12px;
  font-weight: 700;
}

.pill.green {
  border-color: #a7dfc4;
  background: #edf9f3;
  color: var(--success);
}

.pill.orange {
  border-color: #f6d19a;
  background: #fff8ec;
  color: var(--warning);
}

.pill.red {
  border-color: #f2b8b5;
  background: #fff2f1;
  color: var(--danger);
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 10px 9px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  background: #f3f7fa;
  color: #405366;
  font-size: 12px;
}

tr:hover td {
  background: #fbfdff;
}

.visitor-row {
  display: grid;
  grid-template-columns: 40px repeat(6, minmax(100px, 1fr)) 78px;
  gap: 8px;
  align-items: end;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfe;
}

.visitor-row + .visitor-row {
  margin-top: 10px;
}

.checklist {
  display: grid;
  gap: 8px;
}

.check {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  gap: 8px;
  align-items: start;
  padding: 9px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  font-weight: 400;
}

.check input {
  min-height: auto;
  margin-top: 3px;
}

.detail {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  border-top: 1px solid var(--line);
}

.detail div {
  padding: 9px 10px;
  border-bottom: 1px solid var(--line);
}

.detail div:nth-child(odd) {
  background: #f6f9fb;
  color: #405366;
  font-weight: 700;
}

.metric {
  display: grid;
  gap: 8px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.metric span {
  color: var(--muted);
}

.metric strong {
  font-size: 34px;
}

.link-button {
  border: 0;
  padding: 0;
  background: transparent;
  color: var(--primary);
  text-align: left;
  text-decoration: none;
  font-weight: 700;
}

.modal-mask {
  position: fixed;
  z-index: 30;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(7, 18, 28, 0.5);
}

.modal {
  width: min(1100px, 96vw);
  max-height: 88vh;
  overflow: auto;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 22px 80px rgba(0, 0, 0, 0.25);
}

.modal-header {
  position: sticky;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.modal-header h3 {
  margin: 0;
}

.modal-body {
  padding: 18px;
}

.permission-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(120px, 1fr));
  gap: 8px;
}

.check.inline {
  display: inline-grid;
  margin: 0;
}

.qr-box {
  width: 144px;
  height: 144px;
  border: 8px solid #fff;
  box-shadow: 0 0 0 1px var(--line);
  background-color: #fff;
  background-image:
    linear-gradient(90deg, #111 50%, transparent 50%),
    linear-gradient(#111 50%, transparent 50%);
  background-size: 16px 16px;
  image-rendering: pixelated;
}

.qr-token {
  max-width: 260px;
  overflow-wrap: anywhere;
  color: var(--muted);
  font-family: Consolas, monospace;
  font-size: 12px;
}

.split {
  display: grid;
  grid-template-columns: 360px minmax(0, 1fr);
  gap: 16px;
}

.empty {
  padding: 30px;
  color: var(--muted);
  text-align: center;
}

@media (max-width: 960px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: sticky;
    top: 0;
    z-index: 10;
  }

  .nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .topbar,
  .view {
    padding-left: 16px;
    padding-right: 16px;
  }

  .grid.two,
  .grid.three,
  .form-grid,
  .rule-list,
  .split {
    grid-template-columns: 1fr;
  }

  .visitor-row {
    grid-template-columns: 1fr;
  }
}