:root {
  --bg: #f4efe7;
  --panel: rgba(255, 255, 255, 0.9);
  --panel-border: rgba(68, 55, 38, 0.12);
  --text: #2e261d;
  --muted: #736250;
  --accent: #b45a2d;
  --accent-dark: #8f441f;
  --danger: #a13030;
  --success: #2f7a54;
  --shadow: 0 18px 40px rgba(72, 49, 20, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(255, 214, 163, 0.7), transparent 30%),
    radial-gradient(circle at bottom right, rgba(195, 143, 92, 0.3), transparent 30%),
    linear-gradient(135deg, #f7f1ea 0%, #eadcc9 100%);
}

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

button,
input {
  font: inherit;
}

.page-shell {
  max-width: 1280px;
  margin: 0 auto;
  padding: 32px 20px 40px;
}

.topbar,
.panel,
.auth-card {
  backdrop-filter: blur(18px);
  background: var(--panel);
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 28px;
  border-radius: 24px;
  margin-bottom: 20px;
}

.topbar h1,
.panel h2,
.auth-card h2 {
  margin: 0;
}

.topbar p,
.subtle,
.eyebrow {
  margin: 0;
}

.eyebrow {
  color: var(--accent);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.subtle {
  color: var(--muted);
  line-height: 1.6;
}

.notice {
  padding: 14px 18px;
  border-radius: 16px;
  margin-bottom: 18px;
}

.notice-error {
  background: rgba(161, 48, 48, 0.12);
  color: #7d2020;
}

.notice-success {
  background: rgba(47, 122, 84, 0.12);
  color: #1e6944;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 20px;
}

.panel,
.auth-card {
  border-radius: 24px;
  padding: 24px;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.auth-card {
  max-width: 420px;
  margin: 10vh auto 0;
}

.stack-form {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

.stack-form label {
  display: grid;
  gap: 8px;
}

.stack-form span {
  font-size: 14px;
  color: var(--muted);
}

input {
  width: 100%;
  border: 1px solid rgba(110, 83, 50, 0.16);
  border-radius: 14px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.88);
  outline: none;
}

input:focus {
  border-color: rgba(180, 90, 45, 0.5);
  box-shadow: 0 0 0 4px rgba(180, 90, 45, 0.12);
}

button,
.link-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 14px;
  padding: 12px 16px;
  cursor: pointer;
  background: var(--accent);
  color: #fff;
  transition: transform 0.16s ease, background 0.16s ease;
}

button:hover,
.link-btn:hover {
  transform: translateY(-1px);
  background: var(--accent-dark);
}

.secondary-btn {
  background: rgba(46, 38, 29, 0.08);
  color: var(--text);
}

.secondary-btn:hover {
  background: rgba(46, 38, 29, 0.14);
}

.danger-btn {
  background: rgba(161, 48, 48, 0.9);
}

.danger-btn:hover {
  background: #8f2424;
}

.badge,
.status {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 13px;
}

.badge {
  background: rgba(180, 90, 45, 0.12);
  color: var(--accent-dark);
}

.status-active {
  background: rgba(47, 122, 84, 0.12);
  color: var(--success);
}

.status-inactive {
  background: rgba(161, 48, 48, 0.12);
  color: var(--danger);
}

.table-wrap {
  overflow-x: auto;
}

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

th,
td {
  text-align: left;
  padding: 14px 12px;
  border-bottom: 1px solid rgba(68, 55, 38, 0.08);
  white-space: nowrap;
}

th {
  color: var(--muted);
  font-weight: 600;
}

.code-cell {
  font-family: "Consolas", "Courier New", monospace;
  letter-spacing: 0.08em;
}

.device-cell {
  max-width: 220px;
  white-space: normal;
  word-break: break-all;
  color: var(--muted);
}

.empty-state,
.api-tip,
.not-found {
  color: var(--muted);
}

.api-tip {
  margin-top: 18px;
  line-height: 1.7;
}

.api-tip code {
  display: inline-block;
  margin-top: 6px;
  padding: 4px 8px;
  border-radius: 10px;
  background: rgba(46, 38, 29, 0.07);
}

@media (max-width: 900px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .page-shell {
    padding: 18px 14px 24px;
  }

  .panel,
  .auth-card,
  .topbar {
    padding: 18px;
    border-radius: 18px;
  }

  th,
  td {
    padding: 12px 10px;
  }
}