:root {
  --bg: #ffffff;
  --ink: #1a1a1a;
  --muted: #6b6b6b;
  --line: #e4e4e4;
  --accent: #1a1a1a;
  --error: #a8261a;
  --warn: #8a6100;
  --ok: #1f6b2a;
  --panel: #fbfaf8;
  --code-bg: #f4f3f0;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Helvetica Neue", sans-serif;
  font-size: 18px;
  line-height: 1.5;
}

h1 { font-size: 28px; margin: 0 0 8px; }
h2 { font-size: 24px; margin: 0 0 16px; }
h3 { font-size: 22px; margin: 24px 0 12px; }

.muted { color: var(--muted); font-size: 16px; }

button {
  font: inherit;
  font-size: 18px;
  padding: 10px 18px;
  background: var(--ink);
  color: #fff;
  border: 1px solid var(--ink);
  border-radius: 6px;
  cursor: pointer;
}
button:hover { opacity: 0.9; }
button:disabled { opacity: 0.5; cursor: not-allowed; }
button.linklike {
  background: transparent;
  color: var(--ink);
  border: none;
  padding: 0;
  text-decoration: underline;
  cursor: pointer;
  font-size: 16px;
}

input, textarea, select {
  font: inherit;
  font-size: 18px;
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
}
textarea { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 16px; }
label { display: block; font-size: 16px; color: var(--muted); margin-bottom: 14px; }
label input, label textarea, label select { margin-top: 6px; color: var(--ink); }
label.inline { display: inline-flex; align-items: center; gap: 6px; margin-right: 12px; }
label.inline input { width: auto; }

.msg { min-height: 1.5em; font-size: 16px; margin-top: 10px; }
.msg.err { color: var(--error); }
.msg.ok { color: var(--ok); }
.warning { color: var(--warn); font-size: 16px; }

/* ----- Login ----- */

.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.login-card {
  width: 100%;
  max-width: 440px;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
}

/* ----- App chrome ----- */

.shell {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}
.sidebar {
  background: #fbfaf8;
  border-right: 1px solid var(--line);
  padding: 20px 14px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}
.side-brand {
  font-weight: 700;
  font-size: 18px;
  padding: 4px 10px 10px;
  border-bottom: 1px solid var(--line);
}
.side-nav {
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex: 1;
}
.nav-section { display: flex; flex-direction: column; gap: 2px; }
.nav-heading {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--muted);
  padding: 0 10px 4px;
}
.tab {
  background: transparent;
  color: var(--ink);
  border: none;
  border-radius: 6px;
  padding: 7px 10px;
  font-size: 15px;
  cursor: pointer;
  text-align: left;
  white-space: nowrap;
}
.tab:hover { background: var(--code-bg); }
.tab.active {
  background: var(--ink);
  color: #fff;
}
.side-foot {
  padding: 10px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 14px;
  color: var(--muted);
}
.side-user {
  word-break: break-all;
  overflow-wrap: anywhere;
  font-size: 13px;
}
.side-foot .linklike { text-align: left; }

main { padding: 28px; max-width: 1200px; }

@media (max-width: 820px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; }
  .side-nav { flex-direction: row; flex-wrap: wrap; }
  .nav-section { flex-direction: row; flex-wrap: wrap; align-items: center; gap: 6px; }
  .nav-heading { padding: 0; }
}

/* ----- Panels ----- */

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 24px;
}

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.grid .full { grid-column: 1 / -1; }

.row {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  margin: 12px 0;
}
.row input, .row select { flex: 1; min-width: 160px; }

.actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.result {
  background: var(--code-bg);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 14px;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

/* ----- Tables / lists ----- */

.item {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  margin-bottom: 10px;
  background: #fff;
}
.item .row-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
}
.item .title { font-weight: 600; font-size: 18px; }
.item .meta { color: var(--muted); font-size: 15px; }
.item .kv { font-size: 15px; color: var(--muted); margin-top: 4px; word-break: break-all; }
.item .btns { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.item .btns button { font-size: 15px; padding: 6px 12px; }
.item .btns button.secondary { background: #fff; color: var(--ink); }
.item .btns button.danger { background: #fff; color: var(--error); border-color: var(--error); }

.pill {
  display: inline-block;
  font-size: 14px;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
}
.pill.ok { color: var(--ok); border-color: var(--ok); }
.pill.warn { color: var(--warn); border-color: var(--warn); }
.pill.err { color: var(--error); border-color: var(--error); }

/* ----- Log ----- */

.log-row {
  display: grid;
  grid-template-columns: 180px 60px minmax(0, 1fr) minmax(0, 220px);
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
}
.log-row > div {
  min-width: 0;
  overflow-wrap: anywhere;
  word-break: break-word;
}
.log-row .mono { font-family: ui-monospace, "SF Mono", Menlo, monospace; }

#log-list { overflow-x: auto; }

/* ----- Explorer ----- */

.explorer-summary {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}
.exp-group { margin-bottom: 28px; }
.exp-group h3 {
  margin: 18px 0 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--line);
}
.exp-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px 16px;
  margin-bottom: 10px;
}
.exp-row-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.exp-title { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.exp-path {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 15px;
  color: var(--ink);
  word-break: break-all;
}
.exp-actions { display: flex; align-items: center; gap: 10px; }
.exp-actions button { font-size: 15px; padding: 6px 14px; }
.exp-name {
  color: var(--muted);
  font-size: 15px;
  margin-top: 4px;
}
.counter {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 15px;
  color: var(--ink);
  background: var(--code-bg);
  padding: 2px 10px;
  border-radius: 999px;
  min-width: 40px;
  text-align: center;
}
.method {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 13px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
  border: 1px solid var(--line);
  color: var(--ink);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.method-get { background: #eef3ff; border-color: #c7d6ff; }
.method-post { background: #e8f6ea; border-color: #bfe0c5; }
.method-patch { background: #fff5dc; border-color: #ead79a; }
.method-put { background: #fff5dc; border-color: #ead79a; }
.method-delete { background: #fdecea; border-color: #f1bdb6; }

.exp-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 10px;
}
.exp-field { font-size: 14px; }
.exp-field.full { grid-column: 1 / -1; }
.exp-field span { color: var(--muted); display: block; margin-bottom: 4px; }
.exp-field input, .exp-field textarea {
  font-size: 15px;
  padding: 6px 10px;
}
.exp-card .result { margin-top: 10px; }

/* ----- Dashboard ----- */

.dash-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}
.range-tabs { display: flex; gap: 4px; }
.range {
  background: #fff;
  color: var(--muted);
  border: 1px solid var(--line);
  font-size: 15px;
  padding: 5px 12px;
  border-radius: 999px;
  cursor: pointer;
}
.range.active { background: var(--ink); color: #fff; border-color: var(--ink); }

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 12px;
  margin-bottom: 22px;
}
.kpi {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.kpi.warn { border-color: #ead79a; background: #fffaed; }
.kpi.err { border-color: #f1bdb6; background: #fff5f4; }
.kpi-label { color: var(--muted); font-size: 14px; text-transform: uppercase; letter-spacing: 0.5px; }
.kpi-value { font-size: 32px; font-weight: 600; font-family: ui-monospace, "SF Mono", Menlo, monospace; }
.kpi-foot { font-size: 14px; display: flex; gap: 8px; align-items: center; color: var(--muted); }
.kpi-sub { color: var(--muted); }
.delta {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 12px;
}
.delta.up { background: #e8f6ea; color: var(--ok); }
.delta.down { background: #fdecea; color: var(--error); }
.delta.flat { background: var(--code-bg); }

.chart-wrap {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 22px;
}
.chart-wrap h3 { margin-top: 0; }
.legend { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 8px; font-size: 14px; color: var(--muted); }
.legend-item { display: inline-flex; align-items: center; gap: 6px; font-family: ui-monospace, "SF Mono", Menlo, monospace; }
.swatch { width: 10px; height: 10px; border-radius: 2px; display: inline-block; }

.dash-tables {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
@media (max-width: 720px) {
  .dash-tables { grid-template-columns: 1fr; }
}
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 16px;
}
.card h3 { margin-top: 0; }

.mini-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}
.mini-table th {
  text-align: left;
  font-weight: 600;
  font-size: 14px;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  padding: 6px 4px;
}
.mini-table td {
  padding: 7px 4px;
  border-bottom: 1px solid var(--line);
}
.mini-table .mono { font-family: ui-monospace, "SF Mono", Menlo, monospace; }
.mini-table .muted { font-size: 13px; }
.mini-table.wide { font-size: 14px; }

.dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 6px;
}