:root {
  color-scheme: light;
  --paper: #fbf7ef;
  --panel: #fffdf8;
  --ink: #28231d;
  --muted: #7a7166;
  --line: #ded1bd;
  --accent: #936927;
  --accent-strong: #6f4c18;
  --danger: #a33b2f;
  font-family: "Segoe UI", "Microsoft YaHei", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: linear-gradient(180deg, #f7efe2 0%, var(--paper) 42%, #f4eadb 100%);
}

button,
input,
select {
  font: inherit;
}

.shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 38px 0;
}

.brand {
  display: grid;
  gap: 10px;
  padding: 8px 0 26px;
  border-bottom: 1px solid var(--line);
}

.eyebrow,
.muted,
.status {
  color: var(--muted);
}

.eyebrow {
  margin: 0;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 48px;
  font-weight: 600;
}

h2 {
  font-size: 22px;
  font-weight: 650;
}

.lead {
  max-width: 760px;
  color: #5f564c;
  line-height: 1.8;
}

.panel {
  margin-top: 24px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: color-mix(in srgb, var(--panel) 92%, white);
  box-shadow: 0 16px 40px rgba(90, 62, 25, 0.08);
}

.panel-head,
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.auth-panel {
  max-width: 460px;
}

.form {
  display: grid;
  gap: 16px;
  margin-top: 20px;
}

.form.compact {
  gap: 14px;
}

label {
  display: grid;
  gap: 8px;
  color: var(--muted);
}

input,
select {
  width: 100%;
  min-height: 46px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: #fffaf1;
  outline: none;
}

input:focus,
select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(147, 105, 39, 0.14);
}

button {
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: #fffaf1;
  cursor: pointer;
}

button:hover {
  border-color: var(--accent);
}

.primary {
  border-color: var(--accent);
  color: white;
  background: var(--accent);
}

.primary:hover {
  background: var(--accent-strong);
}

.ghost {
  color: var(--accent-strong);
  background: transparent;
}

.workspace {
  display: grid;
  gap: 18px;
}

.topbar {
  margin-top: 24px;
  padding: 16px 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 253, 248, 0.74);
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.wide {
  grid-column: 1 / -1;
}

.pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.admin-config-form {
  margin-top: 18px;
}

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

.checkbox-row input {
  width: 18px;
  min-height: 18px;
}

.status {
  min-height: 24px;
  margin-top: 12px;
  line-height: 1.5;
}

.support-note {
  margin: -4px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

.key-list,
.cache-list,
.user-list {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbf4e8;
}

.row strong {
  display: block;
}

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

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

.ok {
  color: #18735b;
}

.hidden {
  display: none;
}

@media (max-width: 860px) {
  .shell {
    width: min(100% - 20px, 680px);
    padding: 24px 0;
  }

  h1 {
    font-size: 38px;
  }

  .panel {
    padding: 18px;
  }

  .panel-head,
  .topbar,
  .row {
    align-items: stretch;
    flex-direction: column;
  }

  .grid,
  .pair {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  body {
    background: var(--paper);
    -webkit-text-size-adjust: 100%;
  }

  .shell {
    width: 100%;
    padding: 18px 12px calc(28px + env(safe-area-inset-bottom));
  }

  .brand {
    gap: 6px;
    padding-bottom: 18px;
  }

  .eyebrow {
    font-size: 11px;
    letter-spacing: 0.07em;
  }

  h1 {
    font-size: 36px;
    line-height: 1.05;
  }

  h2 {
    font-size: 22px;
  }

  .panel {
    margin-top: 16px;
    padding: 18px;
    box-shadow: none;
  }

  .auth-panel {
    max-width: none;
  }

  .panel-head {
    gap: 12px;
  }

  .panel-head .ghost {
    width: 100%;
  }

  input,
  select,
  button {
    min-height: 48px;
    font-size: 16px;
  }

  .topbar {
    margin-top: 16px;
    padding: 14px;
  }

  .row {
    padding: 12px;
  }

  .row,
  .row small {
    overflow-wrap: anywhere;
  }
}