/* ─── Tokens ──────────────────────────────────────────────────── */
:root {
  --topbar-h: 60px;

  --bg:           #060810;
  --bg-2:         #0c1020;
  --panel:        rgba(255,255,255,0.04);
  --panel-strong: rgba(255,255,255,0.06);
  --line:         rgba(255,255,255,0.07);
  --line-hi:      rgba(255,255,255,0.13);

  --text:   #dde6f5;
  --muted:  rgba(200,215,240,0.48);
  --dim:    rgba(200,215,240,0.28);

  --cyan:        #05cce0;
  --cyan-mid:    #0891b2;
  --cyan-soft:   rgba(5,204,224,0.10);
  --cyan-glow:   rgba(5,204,224,0.22);
  --cyan-border: rgba(5,204,224,0.26);

  --gold:        #f0a420;
  --gold-soft:   rgba(240,164,32,0.10);
  --gold-glow:   rgba(240,164,32,0.20);
  --gold-border: rgba(240,164,32,0.26);

  --emerald:  #0dd68a;
  --error:    #f43f5e;

  --r-xl: 20px;
  --r-lg: 14px;
  --r-md: 10px;

  --card-shadow: 0 20px 48px rgba(0,0,0,0.5);
  --sm-shadow:   0 6px 20px rgba(0,0,0,0.4);
}

/* ─── Reset ───────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Noto Sans TC", sans-serif;
  font-size: 14px;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  /* background mesh */
  background-image:
    radial-gradient(ellipse 80% 50% at 10% 0%,  rgba(5,204,224,0.08)  0%, transparent 55%),
    radial-gradient(ellipse 60% 40% at 90% 5%,  rgba(240,164,32,0.06) 0%, transparent 50%),
    linear-gradient(180deg, #060810 0%, #040608 100%);
}

/* ─── Topbar ──────────────────────────────────────────────────── */
.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  background: rgba(6,8,16,0.88);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 100;
  gap: 16px;
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand-dot {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--cyan), var(--cyan-mid));
  box-shadow: 0 0 16px var(--cyan-glow);
  flex-shrink: 0;
}

.brand-name {
  font-family: "Space Grotesk", sans-serif;
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}

.brand-sub {
  font-size: 11px;
  color: var(--cyan);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

/* ─── Main content ────────────────────────────────────────────── */
.main-content {
  padding-top: calc(var(--topbar-h) + 28px);
  padding-left: 36px;
  padding-right: 36px;
  padding-bottom: 60px;
  max-width: 1600px;
  margin: 0 auto;
}

/* ─── Hero / North star section ───────────────────────────────── */
.hero-section {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: start;
  gap: 24px;
  margin-bottom: 28px;
}

.north-star-wrap {
  display: grid;
  gap: 4px;
}

.north-star-label {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan);
}

#northStarText {
  font-family: "Space Grotesk", "Noto Sans TC", sans-serif;
  font-size: clamp(22px, 3vw, 36px);
  font-weight: 700;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #fff 35%, var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0;
}

/* ─── Blocks section ──────────────────────────────────────────── */
.blocks-section { margin-bottom: 28px; }

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

.section-title h2 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ─── Tabs section ────────────────────────────────────────────── */
.tabs-section {
  border-radius: var(--r-xl);
  border: 1px solid var(--line);
  background: var(--panel);
  overflow: hidden;
}

.main-tab-nav {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,0.02);
  overflow-x: auto;
}

.main-tab-btn {
  flex-shrink: 0;
  padding: 14px 22px;
  border: none;
  border-bottom: 2px solid transparent;
  background: none;
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  transition: all 160ms;
  white-space: nowrap;
}
.main-tab-btn:hover { color: var(--text); background: rgba(255,255,255,0.04); }
.main-tab-btn.active {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
  background: rgba(5,204,224,0.06);
}

.main-tab-panel { display: none; padding: 24px; }
.main-tab-panel.active { display: block; }

/* ─── Page header ─────────────────────────────────────────────── */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 28px;
}

.page-eyebrow {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan);
  background: var(--cyan-soft);
  border: 1px solid var(--cyan-border);
  margin-bottom: 8px;
}

.page-title {
  margin: 0;
  font-family: "Space Grotesk", "Noto Sans TC", sans-serif;
  font-size: clamp(26px, 3vw, 40px);
  font-weight: 700;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #fff 35%, var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-shrink: 0;
}

/* ─── Dashboard grid ──────────────────────────────────────────── */
.dash-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 20px;
}

/* ─── Metric grid ─────────────────────────────────────────────── */
.metric-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 0;
}

.metric-card {
  padding: 18px 16px;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: var(--panel);
  transition: border-color 200ms, transform 200ms;
  cursor: default;
}
.metric-card:hover { border-color: var(--cyan-border); transform: translateY(-2px); }

.metric-card span {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
}
.metric-card strong {
  display: block;
  font-family: "Space Grotesk", sans-serif;
  font-size: 28px;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #fff 20%, var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.metric-card p {
  margin: 5px 0 0;
  font-size: 11px;
  color: var(--dim);
}

/* ─── Stack / Layer score ─────────────────────────────────────── */
.stack-grid { display: grid; gap: 10px; }
.stack-head { display: grid; gap: 4px; margin-bottom: 14px; }
.stack-label { font-size: 11px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); }
.stack-head strong { color: var(--cyan); font-size: 14px; font-family: "Space Grotesk", sans-serif; }

.layer-score {
  padding: 12px 14px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--panel);
  transition: border-color 200ms;
}
.layer-score:hover { border-color: var(--cyan-border); }
.layer-score span { font-size: 11px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; }
.layer-score strong { display: block; font-family: "Space Grotesk", sans-serif; font-size: 16px; margin-top: 3px; color: var(--text); }
.layer-score em { display: block; margin-top: 6px; font-style: normal; font-size: 11px; color: var(--cyan); font-weight: 700; }

.progress {
  height: 3px;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  overflow: hidden;
  margin-top: 8px;
}
.progress-fill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--cyan-mid), var(--cyan));
  box-shadow: 0 0 8px var(--cyan-glow);
  animation: grow 600ms ease;
}

/* ─── Panels / Cards ──────────────────────────────────────────── */
.panel,
.subpanel {
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: var(--panel-strong);
  padding: 20px 22px;
  box-shadow: var(--sm-shadow);
  transition: border-color 200ms;
}
.subpanel:hover { border-color: var(--line-hi); }

.subpanel-head {
  display: grid;
  gap: 3px;
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.subpanel-head h3 { margin: 0; font-size: 15px; font-family: "Space Grotesk", sans-serif; color: var(--text); }
.subpanel-head span { font-size: 12px; color: var(--muted); }

/* ─── Two col ─────────────────────────────────────────────────── */
.two-col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.section-gap { margin-top: 18px; }

/* ─── Buttons ─────────────────────────────────────────────────── */
.button, input, select, textarea { border: 0; font: inherit; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border-radius: var(--r-md);
  cursor: pointer;
  font-weight: 600;
  font-size: 13px;
  transition: transform 160ms, box-shadow 160ms, background 160ms;
}
.button:hover { transform: translateY(-1px); }

.button-primary {
  color: #040608;
  background: linear-gradient(135deg, var(--cyan), var(--cyan-mid));
  box-shadow: 0 10px 24px rgba(5,204,224,0.22);
}
.button-primary:hover { box-shadow: 0 0 20px var(--cyan-glow), 0 12px 28px rgba(5,204,224,0.3); }

.button-secondary {
  color: #040608;
  background: linear-gradient(135deg, var(--gold), #c88010);
  box-shadow: 0 10px 24px rgba(240,164,32,0.2);
}
.button-secondary:hover { box-shadow: 0 0 20px var(--gold-glow), 0 12px 28px rgba(240,164,32,0.28); }

.button-ghost {
  color: var(--muted);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line-hi);
}
.button-ghost:hover { color: var(--text); background: rgba(255,255,255,0.08); }

.button.small { min-height: 34px; padding: 0 12px; font-size: 12px; }

/* ─── Forms ───────────────────────────────────────────────────── */
.form-card, .mini-form { display: grid; gap: 12px; }

label { display: grid; gap: 5px; }
label span {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--muted);
}

input, select, textarea {
  width: 100%;
  padding: 10px 12px;
  border-radius: var(--r-md);
  color: var(--text);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line);
  outline: none;
  transition: border-color 160ms, box-shadow 160ms;
  color-scheme: dark;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--cyan-border);
  box-shadow: 0 0 0 3px var(--cyan-soft);
}

.input-row { display: grid; gap: 12px; grid-template-columns: repeat(2, minmax(0, 1fr)); }

.checkline {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--r-md);
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--line);
}
.checkline input { width: auto; margin: 0; accent-color: var(--cyan); }

.button-row { display: flex; flex-wrap: wrap; gap: 8px; }

/* ─── Badge / Pill / Chip ─────────────────────────────────────── */
.badge, .eyebrow, .chip, .tier-pill, .status-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.badge {
  padding: 5px 12px;
  background: rgba(255,255,255,0.05);
  color: var(--dim);
  border: 1px solid var(--line);
}
.eyebrow {
  padding: 4px 10px;
  color: var(--cyan);
  background: var(--cyan-soft);
  border: 1px solid var(--cyan-border);
}
.status-pill {
  padding: 4px 10px;
  background: rgba(255,255,255,0.05);
  color: var(--muted);
  border: 1px solid var(--line);
}
.chip {
  padding: 4px 9px;
  color: var(--cyan);
  background: var(--cyan-soft);
  border: 1px solid var(--cyan-border);
}
.mini-chip {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--gold-soft);
  border: 1px solid var(--gold-border);
  color: var(--gold);
  font-size: 11px;
  font-weight: 700;
}
.chip-row { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }

.tier-pill {
  padding: 4px 10px;
  color: #040608;
  background: linear-gradient(135deg, var(--gold), #c88010);
}

/* ─── Block grid ──────────────────────────────────────────────── */
.block-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }

.block-card {
  padding: 18px;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: var(--panel);
  position: relative;
  overflow: hidden;
  transition: border-color 200ms, transform 200ms, box-shadow 200ms;
}
.block-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(5,204,224,0.04) 0%, transparent 60%);
  pointer-events: none;
}
.block-card:hover { border-color: var(--cyan-border); transform: translateY(-2px); box-shadow: 0 0 24px var(--cyan-glow); }
.block-card[data-enabled="false"] { opacity: 0.4; }

.block-top, .asset-head, .agent-top, .product-top, .roadmap-top, .activity-top, .blueprint-top, .code-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.block-index {
  display: inline-flex;
  padding: 3px 8px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan);
  background: var(--cyan-soft);
  border: 1px solid var(--cyan-border);
  margin-bottom: 4px;
}

.block-card strong { display: block; margin-bottom: 2px; font-family: "Space Grotesk", sans-serif; font-size: 14px; }
.block-card p { color: var(--muted); font-size: 12px; line-height: 1.6; margin: 6px 0 0; }

.block-focus {
  margin-top: 12px;
  padding: 10px 12px;
  border-radius: var(--r-md);
  background: var(--cyan-soft);
  border: 1px solid var(--cyan-border);
}
.block-focus span { font-size: 10px; color: var(--cyan); font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; }
.block-focus strong { display: block; font-size: 14px; color: #fff; margin: 2px 0; }
.block-focus p { margin: 0; font-size: 11px; color: var(--muted); }

.block-meta { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 10px; }
.block-meta span { font-size: 10px; color: var(--dim); background: rgba(255,255,255,0.04); border: 1px solid var(--line); border-radius: 999px; padding: 2px 8px; }

.block-controls { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-top: 12px; }

.block-quiet-meta { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 10px; }

.version-note {
  margin-top: 10px;
  padding: 9px 11px;
  border-radius: var(--r-md);
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--line);
}
.version-note.compact { /* same */ }
.version-note strong { display: block; font-size: 12px; color: var(--text); margin-bottom: 2px; }
.version-note p { margin: 0; font-size: 11px; color: var(--muted); line-height: 1.5; }

/* ─── Settings tabs ───────────────────────────────────────────── */
.settings-tabs { /* no extra margin */ }
.tab-nav {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}
.tab-btn {
  padding: 7px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.03);
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  font-size: 12px;
  font-weight: 600;
  transition: all 160ms;
}
.tab-btn:hover { color: var(--text); background: rgba(255,255,255,0.07); border-color: var(--line-hi); }
.tab-btn.active {
  background: linear-gradient(135deg, var(--cyan), var(--cyan-mid));
  color: #040608;
  border-color: transparent;
  box-shadow: 0 0 14px var(--cyan-glow);
  font-weight: 700;
}
.tab-panel[hidden] { display: none; }

/* ─── Agent grid ──────────────────────────────────────────────── */
.agent-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.agent-module-list, .asset-list, .product-list, .activity-list, .integration-blueprint, .marketing-queue, .marketing-connector-list {
  display: grid;
  gap: 10px;
}
.agent-console { display: grid; gap: 16px; grid-template-columns: minmax(240px, 0.75fr) minmax(0, 1.25fr); }

.asset-meta, .block-meta, .product-meta, .agent-meta { flex-wrap: wrap; margin-top: 10px; }

.agent-card {
  padding: 18px;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: var(--panel);
  transition: border-color 200ms, transform 200ms;
}
.agent-card:hover { border-color: var(--line-hi); transform: translateY(-2px); }

.agent-role {
  display: inline-flex;
  padding: 4px 9px;
  border-radius: 999px;
  color: var(--gold);
  background: var(--gold-soft);
  border: 1px solid var(--gold-border);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}
.agent-top strong { font-family: "Space Grotesk", sans-serif; font-size: 14px; }
.agent-card p { color: var(--muted); font-size: 12px; line-height: 1.6; }

.agent-brief {
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: var(--r-md);
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--line);
}
.agent-brief strong { display: block; font-size: 12px; margin-bottom: 3px; font-family: "Space Grotesk", sans-serif; }
.agent-brief p { margin: 0; font-size: 12px; }

.agent-tagline {
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: var(--r-md);
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--line);
  font-size: 12px;
  color: var(--muted);
  line-height: 1.6;
}
.agent-meta span { font-size: 11px; color: var(--dim); }
.agent-module-row { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 10px; }
.agent-preview, .agent-card .agent-preview {
  margin: 10px 0;
  min-height: 90px;
  font-size: 11px;
}

/* ─── Code / Markdown view ────────────────────────────────────── */
.code-card, .output-card { min-height: 100%; }
.code-toolbar { margin-bottom: 8px; color: var(--muted); font-size: 12px; }

.code-view, .markdown-view, .agent-preview {
  margin: 0;
  overflow: auto;
  border-radius: var(--r-md);
  background: rgba(0,0,0,0.45);
  border: 1px solid var(--line);
  color: #8ecae6;
  padding: 14px;
  line-height: 1.65;
  font-family: "SFMono-Regular", ui-monospace, monospace;
  font-size: 12px;
  white-space: pre-wrap;
}
.markdown-view.compact { min-height: 80px; font-size: 11px; }

/* ─── Product / Asset / Roadmap / Blueprint / Activity cards ──── */
.asset-card, .product-card, .roadmap-card, .activity-card, .blueprint-card, .module-card {
  padding: 14px 16px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.025);
  transition: border-color 200ms, transform 200ms;
}
.asset-card:hover, .product-card:hover, .roadmap-card:hover { border-color: var(--line-hi); transform: translateY(-1px); }

.asset-head strong, .product-card strong, .roadmap-card strong, .activity-card strong {
  display: block;
  margin-bottom: 2px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 13px;
}
.asset-card p, .product-card p, .roadmap-card p, .activity-card p, .blueprint-card p, .module-card p {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
  margin: 4px 0 0;
}

.roadmap-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.roadmap-card select { width: auto; min-width: 100px; color-scheme: dark; font-size: 12px; }
.roadmap-top span { font-size: 11px; color: var(--muted); }

.activity-card[data-kind="success"] { border-color: rgba(13,214,138,0.2); background: rgba(13,214,138,0.03); }
.activity-card em { display: inline-block; margin-top: 8px; font-style: normal; font-size: 11px; color: var(--emerald); font-weight: 700; }
.activity-top span { font-size: 11px; color: var(--dim); }

.blueprint-card { padding: 10px 14px; }
.blueprint-top { margin-bottom: 4px; }
.blueprint-card strong { font-family: "Space Grotesk", sans-serif; font-size: 12px; }
.blueprint-top span { font-size: 11px; color: var(--muted); }

.module-card { padding: 12px 14px; }
.module-card strong { font-family: "Space Grotesk", sans-serif; font-size: 13px; }
.flow-list { display: grid; gap: 6px; margin: 10px 0; }
.flow-item { padding: 7px 10px; border-radius: var(--r-md); background: rgba(255,255,255,0.03); border: 1px solid var(--line); font-size: 12px; color: var(--muted); }

/* ─── Connector / Queue cards ─────────────────────────────────── */
.connector-chip, .queue-card {
  padding: 12px 14px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.025);
}
.connector-chip strong, .queue-card strong { display: block; margin-bottom: 4px; font-family: "Space Grotesk", sans-serif; font-size: 13px; }
.connector-chip span, .connector-chip em { font-size: 12px; color: var(--muted); font-style: normal; margin-right: 6px; }
.connector-chip[data-enabled="false"] { opacity: 0.4; }
.queue-card p { margin: 6px 0 0; font-size: 12px; color: var(--muted); }

/* ─── Icon button ─────────────────────────────────────────────── */
.icon-button {
  width: 28px; height: 28px;
  border-radius: 6px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line);
  color: var(--dim);
  cursor: pointer;
  transition: all 160ms;
}
.icon-button:hover { color: var(--error); border-color: rgba(244,63,94,0.3); background: rgba(244,63,94,0.07); }

/* ─── Empty state ─────────────────────────────────────────────── */
.empty-state {
  padding: 18px;
  border-radius: var(--r-md);
  color: var(--muted);
  background: rgba(255,255,255,0.02);
  border: 1px dashed var(--line);
  text-align: center;
  font-size: 12px;
}

/* ─── Toast ───────────────────────────────────────────────────── */
.toast {
  position: fixed; right: 20px; bottom: 20px;
  min-width: 220px; max-width: 380px;
  padding: 12px 16px;
  border-radius: var(--r-md);
  color: var(--text);
  background: rgba(12,16,32,0.96);
  border: 1px solid var(--line-hi);
  box-shadow: 0 18px 44px rgba(0,0,0,0.6);
  transform: translateY(12px);
  opacity: 0;
  pointer-events: none;
  transition: transform 180ms, opacity 180ms;
  font-size: 13px;
  font-weight: 500;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast[data-kind="error"]   { border-color: rgba(244,63,94,0.3);  box-shadow: 0 0 20px rgba(244,63,94,0.12),  0 18px 44px rgba(0,0,0,0.6); }
.toast[data-kind="success"] { border-color: rgba(13,214,138,0.3); box-shadow: 0 0 20px rgba(13,214,138,0.12), 0 18px 44px rgba(0,0,0,0.6); }

/* ─── Scrollbar ───────────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.10); border-radius: 999px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.20); }

/* ─── Animations ──────────────────────────────────────────────── */
@keyframes grow { from { width: 0; } }

/* ─── Responsive ──────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .metric-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .block-grid   { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .agent-grid   { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .roadmap-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .two-col, .dash-grid, .agent-console { grid-template-columns: 1fr; }
  .hero-section { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .main-content { padding: calc(var(--topbar-h) + 16px) 16px 40px; }
  .topbar { padding: 0 16px; }
  .topbar-actions .button span { display: none; }
  .metric-grid  { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .block-grid, .agent-grid, .roadmap-grid, .input-row, .block-controls { grid-template-columns: 1fr; }
  .main-tab-btn { padding: 12px 14px; font-size: 12px; }
  .main-tab-panel { padding: 16px; }
}