:root {
  --bg: #f6f4ef;
  --panel: #fffdf8;
  --ink: #1d2328;
  --muted: #697177;
  --line: #ddd8ce;
  --blue: #22577a;
  --green: #4b7f52;
  --rose: #9a4f5f;
  --gold: #8a6f2a;
  --shadow: 0 14px 36px rgba(31, 35, 40, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.5 "Inter", "Segoe UI", "Microsoft YaHei", sans-serif;
}

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

button,
input,
textarea {
  font: inherit;
}

button {
  border: 1px solid var(--blue);
  background: var(--blue);
  color: white;
  border-radius: 6px;
  padding: 9px 14px;
  cursor: pointer;
}

.ghost-button,
.button-link {
  border: 1px solid var(--line);
  background: white;
  color: var(--ink);
}

.button-link {
  display: inline-block;
  border-radius: 6px;
  padding: 9px 14px;
}

button:hover {
  filter: brightness(0.96);
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 9px 10px;
  background: white;
  color: var(--ink);
}

textarea {
  resize: vertical;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 22px 16px;
  border-right: 1px solid var(--line);
  background: #ece8df;
}

.brand {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 26px;
}

.brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--green));
  box-shadow: inset 0 0 0 3px rgba(255, 255, 255, 0.4);
}

.brand strong,
.brand small {
  display: block;
}

.brand small,
.eyebrow,
small,
.empty,
.muted {
  color: var(--muted);
}

nav {
  display: grid;
  gap: 4px;
}

nav a {
  padding: 9px 10px;
  border-radius: 6px;
}

nav a:hover {
  background: rgba(34, 87, 122, 0.1);
}

.main {
  min-width: 0;
  padding: 24px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: end;
  margin-bottom: 22px;
}

.topbar h1 {
  margin: 0;
  font-size: 28px;
  line-height: 1.2;
}

.eyebrow {
  margin: 0 0 4px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0;
}

.quick-search {
  display: flex;
  gap: 8px;
  width: min(460px, 48vw);
}

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

.dev-auth {
  border: 1px solid rgba(138, 111, 42, 0.35);
  border-radius: 999px;
  color: var(--gold);
  padding: 6px 10px;
  background: rgba(138, 111, 42, 0.08);
  white-space: nowrap;
}

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

.panel {
  padding: 18px;
  margin-bottom: 18px;
}

.grid {
  display: grid;
  gap: 12px;
}

.metrics {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 18px;
}

.metrics article {
  padding: 16px;
}

.metrics span,
.metrics strong {
  display: block;
}

.metrics strong {
  font-size: 26px;
  margin-top: 8px;
}

.section-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: baseline;
  margin-bottom: 14px;
}

.section-head h2,
.panel h2,
.row-card h2 {
  margin: 0;
  font-size: 17px;
}

.section-head p,
.row-card p {
  margin: 4px 0 0;
  color: var(--muted);
}

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

.action-grid a {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px;
  background: white;
}

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

.row-card {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 14px 16px;
}

.link-card:hover {
  border-color: var(--blue);
}

.badge {
  display: inline-block;
  width: fit-content;
  border-radius: 999px;
  padding: 2px 8px;
  background: rgba(34, 87, 122, 0.1);
  color: var(--blue);
  font-size: 12px;
}

.stack-form {
  display: grid;
  gap: 12px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.inline-form {
  display: flex;
  gap: 8px;
}

.confirm-line {
  display: block;
  margin-bottom: 10px;
  max-width: 320px;
}

.tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
}

.tabs a {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 12px;
}

.tabs a.active {
  border-color: var(--blue);
  color: var(--blue);
  background: rgba(34, 87, 122, 0.1);
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.timeline {
  display: grid;
  gap: 12px;
}

.message {
  border-left: 4px solid var(--line);
  background: var(--panel);
  border-radius: 8px;
  padding: 12px;
}

.message.ashu {
  border-left-color: var(--rose);
}

.message.kaelith {
  border-left-color: var(--blue);
}

.message header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

pre {
  white-space: pre-wrap;
  word-break: break-word;
  margin: 0;
  font: inherit;
}

.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.mini-row {
  display: grid;
  gap: 2px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

.danger {
  border-color: rgba(154, 79, 95, 0.35);
}

.auth-panel {
  max-width: 520px;
}

.error {
  border: 1px solid rgba(154, 79, 95, 0.35);
  border-radius: 6px;
  background: rgba(154, 79, 95, 0.08);
  color: var(--rose);
  padding: 10px;
}

.row-actions {
  display: grid;
  gap: 8px;
  min-width: min(360px, 42vw);
}

.row-actions form {
  display: flex;
  gap: 8px;
}

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

  .sidebar {
    position: static;
    height: auto;
  }

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

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

  .quick-search,
  .top-actions,
  .row-actions {
    width: 100%;
    min-width: 0;
  }

  .top-actions,
  .inline-form,
  .row-actions form {
    flex-direction: column;
    align-items: stretch;
  }

  .metrics,
  .action-grid,
  .form-grid,
  .split {
    grid-template-columns: 1fr;
  }
}