:root {
  color-scheme: light;
  --bg: #f7f8fb;
  --surface: #ffffff;
  --surface-2: #f1f5f3;
  --ink: #17201d;
  --muted: #66716d;
  --line: #dce4df;
  --brand: #1f8a70;
  --brand-2: #3158a8;
  --warn: #b7791f;
  --danger: #c2413b;
  --ok: #218a4f;
  --shadow: 0 18px 50px rgba(22, 35, 31, 0.08);
}

.dark {
  color-scheme: dark;
  --bg: #101413;
  --surface: #171d1b;
  --surface-2: #202824;
  --ink: #eef4f1;
  --muted: #a7b4ae;
  --line: #303b37;
  --brand: #49b99e;
  --brand-2: #8ea8ff;
  --warn: #e4b45f;
  --danger: #ff8d86;
  --ok: #63d294;
  --shadow: none;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family:
    Inter, "Microsoft YaHei", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
  letter-spacing: 0;
}

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

button {
  border: 0;
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

a {
  color: inherit;
  text-decoration: none;
}

.app-shell {
  min-height: 100vh;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px clamp(16px, 4vw, 44px);
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 94%, transparent);
  backdrop-filter: blur(16px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 180px;
  font-weight: 700;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: var(--brand);
  color: white;
  font-weight: 800;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.nav a,
.sidebar a {
  border-radius: 8px;
  color: var(--muted);
  font-weight: 600;
}

.nav a {
  padding: 9px 12px;
}

.nav a.active,
.sidebar a.active {
  background: var(--surface-2);
  color: var(--ink);
}

.main {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 48px;
}

.page-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  min-width: 0;
  margin-bottom: 18px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--brand);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.2;
}

h1 {
  font-size: clamp(28px, 4vw, 48px);
}

h2 {
  font-size: 24px;
}

h3 {
  font-size: 18px;
}

p {
  color: var(--muted);
  line-height: 1.7;
}

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

.grid {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.grid > * {
  min-width: 0;
}

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

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

.panel,
.card,
.auth-box {
  min-width: 0;
  max-width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.panel {
  padding: 20px;
}

.card {
  padding: 18px;
}

.service-card {
  display: grid;
  gap: 14px;
  min-height: 210px;
}

.service-points {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.service-points li {
  color: var(--muted);
}

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

.step {
  display: grid;
  gap: 8px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.step .num {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--surface-2);
  color: var(--brand);
  font-weight: 800;
}

.step.active {
  border-color: color-mix(in srgb, var(--brand) 60%, var(--line));
}

.announcement {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  padding: 12px 14px;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--warn) 36%, var(--line));
  border-radius: 8px;
  background: color-mix(in srgb, var(--warn) 10%, var(--surface));
}

.announcement strong {
  color: var(--warn);
  white-space: nowrap;
}

.announcement span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

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

.btn,
.ghost,
.danger,
.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  border-radius: 8px;
  padding: 9px 14px;
  font-weight: 700;
}

.btn {
  background: var(--brand);
  color: white;
}

.btn.secondary {
  background: var(--brand-2);
}

.ghost {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
}

.danger {
  background: color-mix(in srgb, var(--danger) 14%, var(--surface));
  color: var(--danger);
}

.icon-btn {
  width: 40px;
  padding: 0;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
}

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

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

.field label {
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  padding: 11px 12px;
}

textarea {
  min-height: 140px;
  resize: vertical;
}

.checkbox {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
}

.checkbox input {
  width: 18px;
  height: 18px;
}

.status {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  border-radius: 999px;
  padding: 3px 10px;
  background: var(--surface-2);
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.status.available,
.status.completed,
.status.valid {
  background: color-mix(in srgb, var(--ok) 16%, var(--surface));
  color: var(--ok);
}

.status.pending,
.status.processing,
.status.waiting_confirm {
  background: color-mix(in srgb, var(--warn) 16%, var(--surface));
  color: var(--warn);
}

.status.failed,
.status.used,
.status.disabled,
.status.not_found {
  background: color-mix(in srgb, var(--danger) 14%, var(--surface));
  color: var(--danger);
}

.notice {
  padding: 12px 14px;
  border-radius: 8px;
  background: var(--surface-2);
  color: var(--muted);
}

.notice.ok {
  background: color-mix(in srgb, var(--ok) 12%, var(--surface));
  color: var(--ok);
}

.notice.err {
  background: color-mix(in srgb, var(--danger) 12%, var(--surface));
  color: var(--danger);
}

.table-wrap {
  min-width: 0;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
}

th,
td {
  padding: 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: middle;
}

th {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

tr:last-child td {
  border-bottom: 0;
}

.admin-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 18px;
  width: min(1320px, calc(100% - 32px));
  margin: 0 auto;
  padding: 20px 0 48px;
}

.sidebar {
  position: sticky;
  top: 82px;
  align-self: start;
  display: grid;
  gap: 6px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.sidebar a {
  padding: 10px 12px;
}

.admin-content {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  min-width: 0;
}

.admin-content > * {
  min-width: 0;
}

.toolbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  min-width: 0;
}

.filters {
  display: grid;
  grid-template-columns: repeat(4, minmax(120px, 1fr));
  gap: 10px;
  min-width: 0;
}

.filters > * {
  min-width: 0;
}

.split {
  display: grid;
  grid-template-columns: minmax(280px, 390px) minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}

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

.list-item {
  display: grid;
  gap: 8px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  text-align: left;
}

.list-item.active {
  border-color: var(--brand);
}

.kv {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
}

.kv:last-child {
  border-bottom: 0;
}

.metric {
  display: grid;
  gap: 10px;
}

.metric strong {
  font-size: 30px;
}

.bar-row {
  display: grid;
  grid-template-columns: 120px 1fr 60px;
  gap: 10px;
  align-items: center;
}

.bar-track {
  height: 12px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--surface-2);
}

.bar-fill {
  height: 100%;
  border-radius: inherit;
  background: var(--brand);
}

.auth-page {
  display: grid;
  place-items: center;
  min-height: calc(100vh - 70px);
  padding: 24px;
}

.auth-box {
  width: min(420px, 100%);
  padding: 24px;
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 50;
  max-width: min(420px, calc(100vw - 36px));
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.loading {
  display: grid;
  place-items: center;
  min-height: 220px;
  color: var(--muted);
}

.code {
  font-family: "Cascadia Mono", Consolas, monospace;
  font-size: 13px;
  word-break: break-all;
}

.url-copy-input {
  width: min(360px, 100%);
}

@media (max-width: 900px) {
  .topbar,
  .page-head,
  .toolbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .grid.two,
  .grid.three,
  .steps,
  .admin-layout,
  .split {
    grid-template-columns: 1fr;
  }

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

  .filters {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 560px) {
  .main,
  .admin-layout {
    width: min(100% - 20px, 1180px);
  }

  .nav {
    width: 100%;
  }

  .nav a {
    flex: 1 1 auto;
    text-align: center;
  }

  .kv {
    grid-template-columns: 1fr;
  }
}