/* ═══════════════════════════════════════════════════════════
   CartolaMan Admin — Dark adaptation of DESIGN.md (Supabaze)
   Single chromatic event: emerald primary (#3ecf8e).
   Display: Inter 500 with negative letter-spacing.
   ═══════════════════════════════════════════════════════════ */

:root {
  /* Surfaces (dark adaptation of canvas-night / canvas-night-soft) */
  --canvas: #1c1c1c;
  --canvas-soft: #202020;
  --canvas-deep: #161616;
  --canvas-elevated: #242424;

  /* Hairlines (analogue of #dfdfdf / #c7c7c7 on dark) */
  --hairline: rgba(255,255,255,0.08);
  --hairline-strong: rgba(255,255,255,0.14);
  --hairline-cool: rgba(255,255,255,0.05);

  /* Text (analogue of ink ladder on dark) */
  --ink: #fafafa;
  --ink-secondary: #ededed;
  --ink-mute: #a1a1a1;
  --ink-mute-2: #707070;
  --ink-faint: #525252;

  /* Brand — the only chromatic event */
  --primary: #3ecf8e;
  --primary-deep: #24b47e;
  --primary-soft: #4ade80;
  --primary-dim: rgba(62,207,142,0.12);
  --primary-glow: rgba(62,207,142,0.20);
  --on-primary: #171717;

  /* Status (badges, alerts only — never decorative) */
  --red: #ff6b6b;
  --red-dim: rgba(255,107,107,0.12);
  --amber: #ffb84d;
  --amber-dim: rgba(255,184,77,0.12);
  --blue: #5fa8ff;
  --blue-dim: rgba(95,168,255,0.12);
  --purple: #b794ff;
  --purple-dim: rgba(183,148,255,0.12);

  /* Radii (DESIGN.md) */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  --sidebar-w: 240px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Helvetica, Arial, sans-serif;
  background: var(--canvas);
  color: var(--ink);
  min-height: 100vh;
  font-size: 14px;
  font-weight: 400;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ─── Display tier — DESIGN.md weight 500 + negative tracking ─── */
h1, h2, h3, h4 {
  font-weight: 500;
  color: var(--ink);
}
h1 { font-size: 28px; line-height: 1.2; letter-spacing: -0.42px; }
h2 { font-size: 22px; line-height: 1.2; letter-spacing: -0.22px; }
h3 { font-size: 18px; line-height: 1.4; letter-spacing: -0.1px; }
h4 { font-size: 16px; line-height: 1.4; letter-spacing: 0; }

a { color: inherit; }

code, pre, .mono {
  font-family: ui-monospace, 'JetBrains Mono', Menlo, Monaco, Consolas, 'Liberation Mono', monospace;
}

/* ─── Sidebar ─── */
.sidebar {
  position: fixed; top: 0; left: 0;
  width: var(--sidebar-w); height: 100vh;
  background: var(--canvas-soft);
  border-right: 1px solid var(--hairline);
  display: flex; flex-direction: column;
  z-index: 50; transition: transform 0.25s ease;
}

.sidebar-brand {
  padding: 20px;
  border-bottom: 1px solid var(--hairline);
  display: flex; align-items: center; gap: 10px;
}
.sidebar-brand img { width: 24px; height: 24px; border-radius: 4px; }
.brand-mark {
  font-size: 15px; color: var(--ink);
  letter-spacing: -0.3px; font-weight: 400;
  display: inline-flex; align-items: baseline;
}
.brand-mark b { font-weight: 500; }
.brand-mark i {
  color: var(--primary);
  font-style: normal;
  font-weight: 500;
  margin-left: 1px;
}

.sidebar-nav { flex: 1; padding: 14px 10px; overflow-y: auto; }
.sidebar-nav a {
  position: relative;
  display: flex; align-items: center; gap: 10px;
  padding: 8px 12px; border-radius: var(--radius-sm);
  color: var(--ink-mute); text-decoration: none;
  font-size: 13px; font-weight: 400;
  transition: background 0.15s, color 0.15s;
  margin-bottom: 1px;
}
.sidebar-nav a svg { width: 16px; height: 16px; opacity: 0.65; flex-shrink: 0; }
.sidebar-nav a:hover { background: var(--canvas-elevated); color: var(--ink); }
.sidebar-nav a:hover svg { opacity: 0.9; }
.sidebar-nav a.active {
  background: var(--primary-dim);
  color: var(--primary);
  font-weight: 500;
}
.sidebar-nav a.active svg { opacity: 1; color: var(--primary); }
/* Subtle 2px accent bar on the left edge of the active row */
.sidebar-nav a.active::before {
  content: '';
  position: absolute;
  left: -10px; top: 6px; bottom: 6px;
  width: 2px;
  background: var(--primary);
  border-radius: 0 2px 2px 0;
}

.sidebar-footer {
  padding: 14px 16px; border-top: 1px solid var(--hairline);
  font-size: 12px; color: var(--ink-mute-2);
}
.sidebar-footer a { color: var(--ink-mute); text-decoration: none; font-size: 12px; }
.sidebar-footer a:hover { color: var(--ink); text-decoration: underline; }

/* ─── Sidebar nested groups ─── */
.sidebar-nav details.nav-group { margin: 14px 0 4px; }
.sidebar-nav details.nav-group:first-of-type { margin-top: 18px; }
.sidebar-nav details.nav-group summary {
  list-style: none; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between;
  padding: 4px 12px 6px;
  font-size: 11px; font-weight: 500;
  color: var(--ink-mute-2);
  text-transform: uppercase; letter-spacing: 0.7px;
  transition: color 0.15s;
}
.sidebar-nav details.nav-group summary::-webkit-details-marker { display: none; }
.sidebar-nav details.nav-group summary:hover { color: var(--ink-mute); }
.sidebar-nav details.nav-group .nav-group-label {
  display: inline-flex; align-items: center; gap: 8px;
}
.sidebar-nav details.nav-group .chv {
  width: 11px; height: 11px; opacity: 0.35;
  transition: transform 0.2s ease;
}
.sidebar-nav details.nav-group[open] > summary .chv { transform: rotate(180deg); }

.sidebar-nav details.nav-group .nav-group-body {
  margin: 2px 0 0;
  padding-left: 0;
}
.sidebar-nav details.nav-group .nav-group-body a {
  padding: 7px 12px; font-size: 13px;
  border-radius: var(--radius-sm);
  font-weight: 400;
}

/* ─── Main layout ─── */
.main { margin-left: var(--sidebar-w); min-height: 100vh; }

.topbar {
  position: sticky; top: 0; z-index: 40;
  background: rgba(28,28,28,0.78); backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--hairline);
  padding: 14px 24px;
  display: flex; align-items: center; justify-content: space-between;
}
.topbar-title {
  font-size: 18px; font-weight: 500; color: var(--ink);
  letter-spacing: -0.2px;
  display: flex; align-items: center; gap: 12px;
}
.topbar-right { display: flex; align-items: center; gap: 12px; }
.topbar-email { color: var(--ink-mute-2); font-size: 12px; }
.hamburger {
  display: none; background: none; border: none;
  color: var(--ink); cursor: pointer; padding: 4px;
}

.content { padding: 24px; max-width: 1280px; }

/* ─── Flash messages ─── */
.flash {
  background: var(--primary-dim);
  border: 1px solid rgba(62,207,142,0.3);
  color: var(--primary);
  padding: 10px 16px; border-radius: var(--radius-md);
  font-size: 13px; margin-bottom: 20px;
  display: flex; align-items: center; gap: 8px;
}

/* ─── Stat cards ─── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px; margin-bottom: 24px;
}
.stat-card {
  background: var(--canvas-soft);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 20px;
  transition: border-color 0.15s, transform 0.15s;
  position: relative;
}
.stat-card:hover {
  border-color: var(--hairline-strong);
}
/* DESIGN.md: drop the rainbow accent strip at the top */
.stat-card::before { content: none; }

.stat-card .stat-icon {
  width: 28px; height: 28px; border-radius: var(--radius-sm);
  background: var(--canvas-elevated);
  border: 1px solid var(--hairline);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 14px;
  color: var(--ink-mute);
}
.stat-card .stat-icon svg { width: 14px; height: 14px; }
/* Backwards compat: green/amber/blue/purple variants now monochrome */
.stat-card .stat-icon.green,
.stat-card .stat-icon.amber,
.stat-card .stat-icon.blue,
.stat-card .stat-icon.purple {
  background: var(--canvas-elevated);
  color: var(--ink-mute);
}

.stat-label {
  font-size: 11px; font-weight: 500; color: var(--ink-mute-2);
  text-transform: uppercase; letter-spacing: 0.6px;
}
.stat-value {
  font-size: 28px; font-weight: 500; margin-top: 4px;
  color: var(--ink);
  letter-spacing: -0.42px;
  line-height: 1.2;
}
.stat-value.green { color: var(--primary); }
.stat-value.amber { color: var(--ink); }
.stat-sub { font-size: 12px; color: var(--ink-mute); margin-top: 4px; }

/* ─── Sections ─── */
.section { margin-bottom: 28px; }
.section-header {
  font-size: 11px; font-weight: 500; color: var(--ink-mute-2);
  text-transform: uppercase; letter-spacing: 0.6px;
  margin-bottom: 12px;
  display: flex; align-items: center; gap: 8px;
}
.section-header svg { width: 13px; height: 13px; opacity: 0.55; }

/* ─── Card panel ─── */
.card {
  background: var(--canvas-soft);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 12px;
}

/* ─── Buttons ─── */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--hairline-strong);
  background: var(--canvas-soft);
  color: var(--ink);
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  text-decoration: none;
  white-space: nowrap;
}
.btn svg { width: 15px; height: 15px; }
.btn:hover {
  background: var(--canvas-elevated);
  border-color: rgba(255,255,255,0.22);
}

/* The brand's signature CTA — emerald with near-black text */
.btn-primary {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--on-primary);
  font-weight: 500;
}
.btn-primary:hover {
  background: var(--primary-deep);
  border-color: var(--primary-deep);
  color: var(--on-primary);
  box-shadow: 0 0 0 3px var(--primary-dim);
}

.btn-ai {
  background: var(--canvas-soft);
  border-color: var(--hairline-strong);
  color: var(--ink);
}
.btn-ai:hover { background: var(--canvas-elevated); }

.btn-danger {
  border-color: rgba(255,107,107,0.3);
  color: var(--red);
  background: var(--canvas-soft);
}
.btn-danger:hover {
  background: var(--red-dim);
  border-color: var(--red);
}

.btn-ghost {
  border-color: transparent;
  background: transparent;
  color: var(--ink-mute);
}
.btn-ghost:hover {
  background: var(--canvas-elevated);
  color: var(--ink);
}

.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-sm svg { width: 13px; height: 13px; }

/* ─── Forms ─── */
.form-label {
  display: block; font-size: 11px; font-weight: 500;
  color: var(--ink-mute-2); margin-bottom: 6px;
  text-transform: uppercase; letter-spacing: 0.5px;
}
.form-input {
  width: 100%; padding: 8px 12px;
  background: var(--canvas-deep);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
  color: var(--ink);
  font-family: inherit;
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.form-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-dim);
}
.form-input::placeholder { color: var(--ink-faint); }
.form-select {
  appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23a1a1a1' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 30px;
}

/* ─── Badges (pill-tag analogues) ─── */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 8px; border-radius: 9999px;
  font-size: 12px; font-weight: 500;
  letter-spacing: 0;
  border: 1px solid transparent;
}
.badge svg { width: 12px; height: 12px; }
.badge-green {
  background: var(--primary-dim);
  color: var(--primary);
  border-color: rgba(62,207,142,0.25);
}
.badge-red {
  background: var(--red-dim);
  color: var(--red);
  border-color: rgba(255,107,107,0.25);
}
.badge-amber {
  background: var(--amber-dim);
  color: var(--amber);
  border-color: rgba(255,184,77,0.25);
}
.badge-blue {
  background: var(--blue-dim);
  color: var(--blue);
  border-color: rgba(95,168,255,0.25);
}
.badge-purple {
  background: var(--purple-dim);
  color: var(--purple);
  border-color: rgba(183,148,255,0.25);
}
.badge-gray {
  background: var(--canvas-elevated);
  color: var(--ink-mute);
  border-color: var(--hairline);
}

/* ─── Tables ─── */
.table-wrap {
  background: var(--canvas-soft);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
table { width: 100%; border-collapse: collapse; }
th {
  text-align: left;
  font-size: 11px; font-weight: 500;
  color: var(--ink-mute-2);
  text-transform: uppercase; letter-spacing: 0.5px;
  padding: 11px 16px;
  background: var(--canvas);
  border-bottom: 1px solid var(--hairline);
}
td {
  padding: 12px 16px;
  font-size: 14px;
  color: var(--ink);
  border-bottom: 1px solid var(--hairline-cool);
}
tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(255,255,255,0.02); }

/* ─── Grid ─── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* ─── Tabs ─── */
.tabs {
  display: flex; gap: 4px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--hairline);
}
.tab {
  padding: 10px 16px; border-bottom: 2px solid transparent;
  color: var(--ink-mute);
  font-size: 14px; font-weight: 500;
  cursor: pointer; transition: color 0.15s, border-color 0.15s;
  display: flex; align-items: center; gap: 6px;
  background: none; border-top: none; border-left: none; border-right: none;
}
.tab:hover { color: var(--ink); }
.tab.active {
  color: var(--ink);
  border-bottom-color: var(--primary);
}
.tab svg { width: 15px; height: 15px; }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* ─── Main tabs (page-level) ─── */
.main-tabs {
  display: flex; gap: 0;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--hairline);
}
.main-tab {
  padding: 12px 20px;
  border-bottom: 2px solid transparent;
  color: var(--ink-mute);
  font-size: 14px; font-weight: 500;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
  display: flex; align-items: center; gap: 6px;
  background: none; border-top: none; border-left: none; border-right: none;
}
.main-tab:hover { color: var(--ink); }
.main-tab.active {
  color: var(--ink);
  border-bottom-color: var(--primary);
}
.main-tab svg { width: 15px; height: 15px; }
.main-tab-content { display: none; }
.main-tab-content.active { display: block; }

/* ─── Textarea / code editor ─── */
.prompt-textarea {
  width: 100%; min-height: 380px; padding: 16px;
  background: var(--canvas-deep);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  color: var(--ink);
  font-family: ui-monospace, 'JetBrains Mono', Menlo, Monaco, Consolas, monospace;
  font-size: 13px; line-height: 1.6;
  outline: none; resize: vertical;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.prompt-textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-dim);
}

/* ─── Param grid ─── */
.params-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
}
.param-field { display: flex; flex-direction: column; }
.param-label {
  font-size: 12px; color: var(--ink-mute);
  margin-bottom: 4px;
  display: flex; align-items: center; gap: 6px;
}
.param-key {
  font-family: ui-monospace, 'JetBrains Mono', Menlo, monospace;
  font-size: 10px;
  color: var(--ink-mute-2);
  background: var(--canvas-deep);
  border: 1px solid var(--hairline);
  padding: 1px 5px; border-radius: var(--radius-xs);
}
.param-input {
  width: 100%; padding: 7px 10px;
  background: var(--canvas-deep);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
  color: var(--ink);
  font-family: ui-monospace, 'JetBrains Mono', Menlo, monospace;
  font-size: 13px;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.param-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-dim);
}

/* ─── Collapsible group ─── */
.group-header {
  cursor: pointer; padding: 14px 18px;
  display: flex; align-items: center; justify-content: space-between;
  font-size: 11px; font-weight: 500;
  color: var(--ink-mute);
  text-transform: uppercase; letter-spacing: 0.5px;
  border-bottom: 1px solid var(--hairline);
  transition: background 0.15s;
}
.group-header:hover { background: rgba(255,255,255,0.02); color: var(--ink); }
.group-header .chv { font-size: 10px; color: var(--ink-mute-2); transition: transform 0.2s; }
.group-body { padding: 14px 18px; }

/* ─── Modals ─── */
.modal-overlay {
  display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0,0,0,0.6); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  align-items: flex-start; justify-content: center;
  z-index: 100; overflow-y: auto; -webkit-overflow-scrolling: touch;
}
.modal {
  background: var(--canvas-soft);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-xl);
  padding: 28px;
  width: 800px; max-width: 92vw;
  box-shadow: 0 16px 48px rgba(0,0,0,0.5);
  margin: 24px auto; flex-shrink: 0;
}
.modal h3 {
  font-size: 18px; font-weight: 500; margin-bottom: 16px;
  letter-spacing: -0.1px;
}
.modal pre {
  background: var(--canvas-deep);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  padding: 14px;
  font-family: ui-monospace, 'JetBrains Mono', Menlo, monospace;
  font-size: 12px;
  line-height: 1.5;
  overflow-x: auto; white-space: pre-wrap;
  word-break: break-word;
  color: var(--ink-mute);
  max-height: 400px; overflow-y: auto;
}

/* ─── Hint text ─── */
.hint {
  font-size: 13px; color: var(--ink-mute-2);
  margin-top: 8px;
  font-style: normal;
}

/* ─── Description block ─── */
.desc-block {
  font-size: 14px; color: var(--ink-mute);
  padding: 12px 16px;
  background: var(--canvas-deep);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  border-left: 2px solid var(--primary);
  margin-bottom: 16px;
}

/* ─── Actions row ─── */
.actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* ─── Inline form ─── */
.inline-form { display: inline-flex; align-items: center; gap: 6px; }

/* ─── Divider ─── */
.divider { width: 1px; height: 24px; background: var(--hairline); }

/* ─── Toggle ─── */
.toggle-label {
  display: flex; align-items: center; gap: 8px;
  cursor: pointer; font-size: 14px; color: var(--ink-mute);
}
.toggle-label input[type="checkbox"] {
  width: 16px; height: 16px;
  accent-color: var(--primary);
  cursor: pointer;
}

/* ─── Spinner ─── */
@keyframes spin { to { transform: rotate(360deg); } }
.spinner {
  display: inline-block; width: 18px; height: 18px;
  border: 2px solid var(--hairline);
  border-top-color: var(--primary);
  border-radius: 50%; animation: spin 0.7s linear infinite;
}
.spinner-sm {
  display: inline-block; width: 14px; height: 14px;
  border: 2px solid var(--hairline);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
}

/* ─── Code blocks (DESIGN.md code-block) ─── */
pre.code-block, .code-block {
  background: var(--canvas-deep);
  border: 1px solid var(--hairline);
  color: var(--ink);
  font-family: ui-monospace, 'JetBrains Mono', Menlo, monospace;
  font-size: 13px;
  line-height: 1.5;
  padding: 16px;
  border-radius: var(--radius-sm);
  overflow-x: auto;
}

/* ─── Pill tags (DESIGN.md pill-tag-soft) ─── */
.pill {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 10px;
  background: var(--canvas-elevated);
  color: var(--ink);
  border: 1px solid var(--hairline);
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 400;
}
.pill-primary {
  background: var(--primary);
  color: var(--on-primary);
  border-color: var(--primary);
  font-weight: 500;
}

/* ─── Login page (centered card) ─── */
.login-shell {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
}
.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--canvas-soft);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-xl);
  padding: 32px;
}
.login-card h1 {
  font-size: 22px; font-weight: 500;
  letter-spacing: -0.2px;
  margin-bottom: 6px;
}
.login-card .login-sub {
  font-size: 14px; color: var(--ink-mute);
  margin-bottom: 24px;
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    z-index: 100;
    transition: transform 0.25s ease;
  }
  .sidebar.open { transform: translateX(0); }
  .sidebar-close-btn { display: flex; }
  .main { margin-left: 0; }
  .hamburger { display: block; }
  .grid-2 { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .params-grid { grid-template-columns: 1fr; }

  .sidebar-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.55);
    z-index: 99;
    opacity: 0; pointer-events: none;
    transition: opacity 0.25s ease;
  }
  .sidebar.open ~ .sidebar-overlay,
  body.sidebar-open .sidebar-overlay {
    opacity: 1; pointer-events: auto;
  }
}

.sidebar-close-btn {
  display: none;
  position: absolute; top: 12px; right: 12px;
  width: 32px; height: 32px;
  align-items: center; justify-content: center;
  background: var(--canvas-elevated);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
  cursor: pointer; color: var(--ink);
}
.sidebar-close-btn:hover { background: var(--canvas-deep); }