:root {
  color-scheme: light;
  --paper: oklch(0.978 0.007 95);
  --paper-strong: oklch(0.955 0.01 95);
  --ink: oklch(0.255 0.022 255);
  --ink-soft: oklch(0.39 0.014 255);
  --line: oklch(0.84 0.012 90);
  --line-strong: oklch(0.74 0.018 90);
  --accent: oklch(0.57 0.05 236);
  --accent-soft: oklch(0.96 0.015 236);
  --success: oklch(0.6 0.08 155);
  --danger: oklch(0.59 0.11 24);
  --shadow: 0 16px 40px color-mix(in oklab, var(--ink) 8%, transparent);
  --space-2xs: 0.5rem;
  --space-xs: 0.75rem;
  --space-sm: 1rem;
  --space-md: clamp(1.125rem, 1.9vw, 1.375rem);
  --space-lg: clamp(1.5rem, 2.8vw, 2rem);
  --space-xl: clamp(2rem, 4vw, 2.75rem);
  --space-2xl: clamp(2.75rem, 6vw, 4rem);
  --font-sans: "Source Sans 3", "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --text-xs: 0.8125rem;
  --text-sm: 0.9375rem;
  --text-body: 1rem;
  --text-md: 1.0625rem;
  --text-lg: 1.25rem;
  --text-xl: 1.5rem;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-width: 320px;
  font-family: var(--font-sans);
  font-size: var(--text-body);
  line-height: 1.65;
  font-kerning: normal;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, color-mix(in oklab, var(--accent) 10%, transparent), transparent 30%),
    linear-gradient(180deg, var(--paper), var(--paper-strong));
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

body.modal-open {
  overflow: hidden;
}

button,
input,
textarea {
  font: inherit;
}

button,
input,
textarea,
th,
td,
.surface,
.hero-copy,
.toolbar-copy,
.table-note,
.section-head,
.hero-note,
.stat-card,
.preview-box,
.helper-text,
.field-note {
  min-width: 0;
}

.skip-link {
  position: absolute;
  inset-inline-start: 16px;
  inset-block-start: -120px;
  padding: 10px 14px;
  border-radius: 12px;
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
  z-index: 30;
}

.skip-link:focus-visible {
  inset-block-start: 16px;
}

.shell {
  width: min(1180px, calc(100vw - 24px));
  margin: 0 auto;
  padding: clamp(14px, 2.4vw, 22px) 0 clamp(40px, 7vw, 68px);
  display: grid;
  gap: var(--space-lg);
}

.surface {
  border: 1px solid var(--line);
  border-radius: 28px;
  background: color-mix(in oklab, white 72%, transparent);
  box-shadow: var(--shadow);
}

.banner {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: color-mix(in oklab, white 80%, transparent);
  color: var(--ink);
  box-shadow: var(--shadow);
  line-height: 1.65;
  overflow-wrap: anywhere;
}

.banner[data-tone="offline"] {
  border-color: color-mix(in oklab, var(--danger) 26%, var(--line));
  background: color-mix(in oklab, var(--danger) 8%, white);
}

.hero-panel,
.auth-surface,
.routes-surface,
.modal-panel {
  padding: clamp(20px, 3vw, 30px);
}

.toolbar {
  padding: clamp(18px, 2.6vw, 24px) clamp(20px, 3vw, 28px);
}

.hero-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 28px);
  align-items: start;
}

.hero-copy {
  display: grid;
  gap: clamp(10px, 2vw, 14px);
  align-content: start;
  max-width: 58ch;
}

.hero-aside {
  display: grid;
  gap: var(--space-sm);
  align-content: start;
}

.hero-note,
.stat-card {
  display: grid;
  gap: var(--space-2xs);
  padding: var(--space-md) clamp(18px, 2.2vw, 22px);
  border-radius: 22px;
  border: 1px solid color-mix(in oklab, var(--line) 80%, var(--accent));
  background: color-mix(in oklab, var(--accent-soft) 40%, white);
}

.hero-note span,
.stat-card span,
.table-label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.hero-note strong {
  display: block;
  line-height: 1.5;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  width: fit-content;
  max-width: 100%;
  padding: 6px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: var(--text-xs);
  line-height: 1.25;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  background: color-mix(in oklab, white 50%, transparent);
  overflow-wrap: anywhere;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--ink);
  text-wrap: balance;
}

h1 {
  font-size: clamp(2.35rem, 6vw, 4.1rem);
  line-height: 1.02;
  max-width: 10ch;
}

h2 {
  font-size: clamp(1.7rem, 3vw, 2.25rem);
  line-height: 1.12;
}

h3 {
  font-size: clamp(1.32rem, 2.2vw, 1.7rem);
  line-height: 1.16;
}

p,
.muted,
.helper-text {
  margin: 0;
  font-size: var(--text-body);
  color: var(--ink-soft);
  line-height: 1.7;
  text-wrap: pretty;
}

.compact {
  max-width: 46ch;
}

.field-note,
small.field-note {
  display: block;
  color: var(--ink-soft);
  font-size: var(--text-sm);
  line-height: 1.66;
  max-width: 68ch;
}

.dashboard {
  display: grid;
  gap: var(--space-lg);
}

.hidden {
  display: none !important;
}

.auth-surface {
  display: grid;
}

.auth-card {
  max-width: 720px;
  display: grid;
  gap: var(--space-md);
}

.auth-form,
.route-form {
  display: grid;
  gap: var(--space-md);
}

label {
  display: grid;
  gap: 10px;
}

label span {
  font-size: var(--text-sm);
  line-height: 1.45;
  font-weight: 600;
  color: var(--ink);
}

input,
textarea {
  width: 100%;
  min-height: 54px;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 15px 17px;
  font-size: var(--text-body);
  line-height: 1.55;
  color: var(--ink);
  background: color-mix(in oklab, white 86%, transparent);
  outline: none;
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

input[aria-invalid="true"],
textarea[aria-invalid="true"] {
  border-color: color-mix(in oklab, var(--danger) 55%, var(--line-strong));
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--danger) 14%, transparent);
}

textarea {
  resize: vertical;
  min-height: 124px;
}

input:focus-visible,
textarea:focus-visible,
.button:focus-visible,
.preset:focus-visible,
.icon-button:focus-visible,
.skip-link:focus-visible {
  border-color: color-mix(in oklab, var(--accent) 48%, var(--line-strong));
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--accent) 18%, transparent);
  transform: translateY(-1px);
}

.button,
.preset,
.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 11px 18px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: color-mix(in oklab, white 65%, transparent);
  color: var(--ink);
  cursor: pointer;
  text-align: center;
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1.35;
  overflow-wrap: anywhere;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button:hover,
.preset:hover,
.icon-button:hover {
  transform: translateY(-1px);
  border-color: color-mix(in oklab, var(--accent) 42%, var(--line-strong));
}

.button:active,
.preset:active,
.icon-button:active {
  transform: translateY(0);
}

.button:disabled,
.preset:disabled,
.icon-button:disabled {
  opacity: 0.66;
  cursor: wait;
  transform: none;
}

.button.primary {
  background: var(--ink);
  color: var(--paper);
  border-color: transparent;
}

.icon-button {
  width: 46px;
  min-width: 46px;
  padding: 0;
  font-size: 1.25rem;
  line-height: 1;
}

.toolbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-md) var(--space-lg);
  align-items: end;
}

.toolbar-copy,
.section-head > div:first-child,
.modal-header > div {
  display: grid;
  gap: 6px;
}

.toolbar-copy {
  max-width: 60ch;
}

.toolbar-actions,
.toggle-row,
.action-row,
.modal-header {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.toolbar-actions {
  justify-content: flex-end;
  align-items: center;
}

.user-chip {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  padding: 11px 16px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: color-mix(in oklab, var(--accent-soft) 45%, white);
  color: var(--ink);
  max-width: min(100%, 18rem);
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.stat-card strong {
  display: block;
  margin-top: 4px;
  font-family: var(--font-sans);
  font-size: var(--text-xl);
  font-weight: 700;
  line-height: 1.24;
  letter-spacing: -0.03em;
  color: var(--ink);
  overflow-wrap: anywhere;
  font-variant-numeric: tabular-nums;
}

.routes-surface {
  display: grid;
  gap: var(--space-md);
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 30ch);
  gap: var(--space-sm) var(--space-lg);
  align-items: end;
}

.table-note {
  align-self: end;
}

.empty-state {
  padding: 20px 22px;
  border: 1px dashed var(--line-strong);
  border-radius: 22px;
  background: color-mix(in oklab, var(--accent-soft) 38%, white);
  display: grid;
  gap: 8px;
}

.empty-state strong {
  color: var(--ink);
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: color-mix(in oklab, white 78%, transparent);
}

.routes-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

.routes-table thead {
  background: color-mix(in oklab, var(--accent-soft) 34%, white);
}

.routes-table th,
.routes-table td {
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  text-align: left;
}

.routes-table th {
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1.4;
  color: var(--ink);
}

.routes-table td {
  font-size: var(--text-sm);
  line-height: 1.58;
  font-variant-numeric: tabular-nums;
}

.routes-table tbody tr:last-child td {
  border-bottom: none;
}

.routes-table tbody tr:hover {
  background: color-mix(in oklab, var(--accent-soft) 18%, white);
}

.cell-title {
  display: grid;
  gap: 8px;
}

.path-text,
.endpoint-text,
.helper-inline,
.url-text {
  overflow-wrap: anywhere;
  word-break: break-word;
}

.path-text,
.endpoint-text,
.url-text {
  color: var(--ink);
}

.path-text {
  font-family: var(--font-sans);
  font-size: var(--text-md);
  font-weight: 600;
  line-height: 1.36;
  letter-spacing: -0.02em;
}

.helper-inline {
  font-size: var(--text-sm);
  color: var(--ink-soft);
  line-height: 1.62;
}

.url-text {
  font-size: var(--text-sm);
  line-height: 1.62;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 34px;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: var(--text-xs);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  background: color-mix(in oklab, white 68%, transparent);
  border: 1px solid var(--line);
}

.status-badge::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: currentColor;
}

.status-badge.enabled {
  color: var(--success);
  background: color-mix(in oklab, var(--accent-soft) 26%, white);
}

.status-badge.disabled {
  color: var(--danger);
  background: color-mix(in oklab, var(--danger) 8%, white);
}

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

.table-actions .button {
  min-height: 42px;
  white-space: nowrap;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-md);
}

.span-2 {
  grid-column: 1 / -1;
}

.preset-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 2px;
}

.toggle-row {
  justify-content: flex-start;
}

.checkbox {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 50px;
  padding: 13px 15px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: color-mix(in oklab, white 74%, transparent);
  color: var(--ink);
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1.45;
}

.checkbox input {
  width: 18px;
  height: 18px;
  min-height: 18px;
  margin: 0;
  accent-color: var(--ink);
}

.preview-box {
  display: grid;
  gap: 8px;
  padding: 16px 18px;
  border-radius: 18px;
  border: 1px dashed var(--line-strong);
  background: color-mix(in oklab, var(--accent-soft) 36%, white);
}

.preview-box span {
  display: block;
  font-size: var(--text-xs);
  font-weight: 600;
  line-height: 1.35;
  color: var(--ink-soft);
}

.preview-box code {
  display: block;
  font-size: var(--text-sm);
  line-height: 1.62;
  color: var(--ink);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  padding: 12px;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: color-mix(in oklab, var(--ink) 32%, transparent);
  backdrop-filter: blur(8px);
}

.modal-panel {
  position: relative;
  width: min(780px, calc(100vw - 24px));
  max-height: calc(100vh - 24px);
  overflow: auto;
  overscroll-behavior: contain;
  z-index: 1;
  display: grid;
  gap: var(--space-md);
}

.modal-header {
  justify-content: space-between;
  align-items: flex-start;
}

.modal-actions {
  display: grid;
  gap: var(--space-sm);
}

.action-row {
  justify-content: flex-end;
}

.toast {
  position: fixed;
  inset-inline-end: 18px;
  inset-block-end: 18px;
  z-index: 60;
  max-width: min(420px, calc(100vw - 32px));
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: color-mix(in oklab, white 82%, transparent);
  color: var(--ink);
  font-size: var(--text-sm);
  line-height: 1.62;
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
  overflow-wrap: anywhere;
}

.toast[data-tone="success"] {
  border-color: color-mix(in oklab, var(--success) 28%, var(--line));
}

.toast[data-tone="error"] {
  border-color: color-mix(in oklab, var(--danger) 30%, var(--line));
}

.helper-text[data-tone="error"] {
  color: color-mix(in oklab, var(--danger) 86%, var(--ink-soft));
}

@media (max-width: 960px) {
  .hero-panel,
  .toolbar,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .hero-panel {
    gap: var(--space-md);
  }

  .toolbar-actions {
    justify-content: flex-start;
  }

  .section-head {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .shell {
    width: min(calc(100vw - 40px), 1180px);
    padding-top: 8px;
    padding-bottom: 32px;
    gap: 14px;
  }

  .hero-panel,
  .toolbar,
  .auth-surface,
  .routes-surface,
  .modal-panel {
    padding: 18px;
    border-radius: 24px;
  }

  .toolbar-actions,
  .toggle-row,
  .action-row,
  .modal-header {
    flex-direction: column;
    align-items: stretch;
  }

  .button,
  .preset,
  .user-chip,
  .checkbox {
    width: 100%;
  }

  .table-wrap {
    overflow: visible;
    border: none;
    background: transparent;
  }

  .routes-table,
  .routes-table tbody,
  .routes-table tr,
  .routes-table td {
    display: block;
    width: 100%;
  }

  .routes-table thead {
    display: none;
  }

  .routes-table tbody {
    display: grid;
    gap: 12px;
  }

  .routes-table tbody tr {
    border: 1px solid var(--line);
    border-radius: 22px;
    background: color-mix(in oklab, white 78%, transparent);
    box-shadow: var(--shadow);
    padding: 16px;
  }

  .routes-table tbody td {
    padding: 0;
    border: none;
    display: grid;
    grid-template-columns: 84px minmax(0, 1fr);
    gap: 12px;
    align-items: start;
  }

  .routes-table tbody td + td {
    margin-top: 14px;
  }

  .routes-table tbody td::before {
    content: attr(data-label);
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ink-soft);
    padding-top: 2px;
  }

  .table-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
  }

  .table-actions .button {
    width: 100%;
  }

  .modal {
    padding: 8px;
    align-items: end;
  }

  .modal-panel {
    width: calc(100vw - 32px);
    max-height: min(92vh, 860px);
  }
}

@media (max-width: 520px) {
  h1 {
    font-size: clamp(2rem, 10vw, 2.6rem);
  }

  .hero-panel,
  .toolbar,
  .auth-surface,
  .routes-surface,
  .modal-panel {
    padding: 16px;
  }

  .routes-table tbody td {
    grid-template-columns: 74px minmax(0, 1fr);
    gap: 10px;
  }

  .table-actions {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}