:root {
  --bg: #0a0d10;
  --bg-soft: #10151b;
  --panel: rgba(17, 22, 29, 0.84);
  --panel-strong: #171d25;
  --panel-light: #f4edde;
  --panel-light-2: #ebe1d0;
  --paper: #fbf6ef;
  --paper-soft: #f1e8da;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --line-dark: rgba(10, 14, 19, 0.12);
  --text: #f5f7fa;
  --text-soft: #a9b4c0;
  --text-dark: #18202a;
  --accent: #4f94cd;
  --accent-2: #d9a04f;
  --accent-3: #77c4b0;
  --accent-4: #ec7a62;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.28);
  --shadow-soft: 0 12px 32px rgba(0, 0, 0, 0.14);
  --radius-xl: 34px;
  --radius-lg: 26px;
  --radius-md: 18px;
  --radius-sm: 14px;
  --mono: "IBM Plex Mono", monospace;
  --display: "Space Grotesk", sans-serif;
}

body[data-theme="notebook"] {
  --bg: #f0e7d9;
  --bg-soft: #e9decd;
  --panel: rgba(247, 240, 230, 0.92);
  --panel-strong: #f7efdf;
  --panel-light: #fff9f0;
  --panel-light-2: #f5ebdb;
  --paper: #fffdf8;
  --paper-soft: #f9f1e5;
  --line: rgba(66, 55, 40, 0.1);
  --line-strong: rgba(66, 55, 40, 0.18);
  --text: #2a2118;
  --text-soft: #6e6356;
  --text-dark: #1f1812;
  --accent: #4f94cd;
  --accent-2: #cf8f3e;
  --accent-3: #7fa889;
  --accent-4: #b76552;
}

body[data-theme="signal"] {
  --bg: #06090d;
  --bg-soft: #0c1218;
  --panel: rgba(12, 17, 23, 0.92);
  --panel-strong: #0f151d;
  --panel-light: #dbe7f2;
  --panel-light-2: #cfdceb;
  --paper: #edf4fb;
  --paper-soft: #dce6f2;
  --line: rgba(124, 172, 219, 0.12);
  --line-strong: rgba(124, 172, 219, 0.24);
  --text: #f2f8ff;
  --text-soft: #96acc4;
  --text-dark: #0d1722;
  --accent: #4f94cd;
  --accent-2: #80c7ff;
  --accent-3: #73e0cb;
  --accent-4: #f29f6a;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: var(--display);
  background:
    radial-gradient(circle at 0% 0%, rgba(79, 148, 205, 0.18), transparent 24%),
    radial-gradient(circle at 100% 100%, rgba(236, 122, 98, 0.18), transparent 22%),
    linear-gradient(160deg, #080b0f 0%, #0d1015 38%, #111821 100%);
}

body[data-theme="notebook"] {
  background:
    radial-gradient(circle at 0% 0%, rgba(79, 148, 205, 0.1), transparent 24%),
    radial-gradient(circle at 100% 100%, rgba(183, 101, 82, 0.12), transparent 22%),
    linear-gradient(160deg, #eee4d6 0%, #e7dccd 38%, #efe7db 100%);
}

body[data-theme="signal"] {
  background:
    radial-gradient(circle at 0% 0%, rgba(80, 199, 255, 0.14), transparent 24%),
    radial-gradient(circle at 100% 100%, rgba(115, 224, 203, 0.14), transparent 20%),
    linear-gradient(160deg, #05080c 0%, #091019 38%, #0c1420 100%);
}

button {
  font: inherit;
}

.shell {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 20px;
  background: rgba(8, 10, 14, 0.78);
  backdrop-filter: blur(22px);
  border-right: 1px solid var(--line);
}

.brand-panel,
.mini-console,
.topbar,
.spotlight,
.hero-card,
.tab-panel,
.nav-card,
.surface-card,
.board,
.inspector-card,
.timeline-list article,
.chat-list article,
.stat-grid article,
.command-grid article,
.idea-grid article,
.review-points article {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.brand-panel {
  padding: 22px;
  background:
    linear-gradient(145deg, rgba(79, 148, 205, 0.22), rgba(20, 26, 35, 0.92)),
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent);
  border: 1px solid rgba(79, 148, 205, 0.22);
}

.eyebrow {
  margin: 0 0 8px;
  font: 700 11px/1.4 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

.brand-panel h1,
.topbar h2,
.hero-card h3,
.spotlight h3,
.tab-panel h3,
.inspector-card h3 {
  margin: 0;
  font-family: var(--display);
  font-weight: 700;
}

.brand-panel h1 {
  font-size: 34px;
  line-height: 1;
}

.brand-copy,
.mini-console p,
.panel-subtitle,
.mini-copy,
.spotlight p {
  margin: 0;
  font: 500 13px/1.7 var(--mono);
}

.brand-copy {
  margin-top: 12px;
  color: var(--text-soft);
}

.brand-stats {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.brand-stats div {
  padding: 12px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.brand-stats span {
  display: block;
  font: 700 22px/1 var(--display);
}

.brand-stats small {
  color: var(--text-soft);
  font: 500 10px/1.5 var(--mono);
}

.mini-console {
  padding: 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
}

.mini-console__top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-bottom: 14px;
  font: 600 11px/1.4 var(--mono);
  text-transform: uppercase;
  color: var(--text-soft);
}

.mini-console__top strong {
  color: var(--text);
  font-weight: 700;
}

.mini-console__bars {
  display: grid;
  gap: 8px;
  margin-bottom: 12px;
}

.mini-console__bars span {
  display: block;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(79, 148, 205, 0.75), rgba(217, 160, 79, 0.72));
}

.mini-console__bars span:nth-child(2) {
  width: 78%;
  background: linear-gradient(90deg, rgba(119, 196, 176, 0.82), rgba(79, 148, 205, 0.42));
}

.mini-console__bars span:nth-child(3) {
  width: 56%;
  background: linear-gradient(90deg, rgba(236, 122, 98, 0.72), rgba(217, 160, 79, 0.4));
}

.mini-console p {
  color: var(--text-soft);
}

.nav-groups {
  display: flex;
  flex-direction: column;
  gap: 14px;
  overflow: auto;
  padding-right: 2px;
}

.nav-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.nav-group h4 {
  margin: 0;
  padding: 0 8px;
  color: var(--text-soft);
  font: 700 10px/1.4 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.nav-card {
  width: 100%;
  text-align: left;
  border: 1px solid transparent;
  padding: 13px 14px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.015));
  color: var(--text);
  cursor: pointer;
  transition: transform 140ms ease, border-color 140ms ease, background 140ms ease;
}

.nav-card:hover {
  transform: translateX(3px);
  border-color: rgba(79, 148, 205, 0.24);
}

.nav-card.is-active {
  background: linear-gradient(145deg, rgba(79, 148, 205, 0.2), rgba(255, 255, 255, 0.04));
  border-color: rgba(79, 148, 205, 0.34);
}

.nav-card strong {
  display: block;
  margin-bottom: 4px;
  font: 700 14px/1.3 var(--mono);
}

.nav-card span {
  display: block;
  color: var(--text-soft);
  font: 500 11px/1.6 var(--mono);
}

.sidebar-foot {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.ghost-button {
  border: 1px solid rgba(236, 122, 98, 0.36);
  background: rgba(236, 122, 98, 0.08);
  color: #ffd8cf;
  border-radius: 14px;
  padding: 12px 14px;
  cursor: pointer;
}

.sidebar-foot p {
  margin: 0;
  color: var(--text-soft);
  font: 500 11px/1.6 var(--mono);
}

.workspace {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.concept-switcher {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 16px;
  padding: 20px 22px;
  border-radius: var(--radius-lg);
  background: rgba(18, 24, 31, 0.62);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
}

.concept-switcher__intro h3 {
  margin: 0 0 10px;
  font-size: 28px;
  line-height: 1;
}

.concept-switcher__intro p:not(.eyebrow) {
  margin: 0;
  color: var(--text-soft);
  font: 500 13px/1.7 var(--mono);
}

.concept-options {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.concept-card {
  text-align: left;
  padding: 16px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  cursor: pointer;
  transition: transform 140ms ease, border-color 140ms ease, background 140ms ease;
}

.concept-card:hover {
  transform: translateY(-2px);
  border-color: rgba(79, 148, 205, 0.26);
}

.concept-card.is-active {
  background: linear-gradient(145deg, rgba(79, 148, 205, 0.22), rgba(255, 255, 255, 0.06));
  border-color: rgba(79, 148, 205, 0.4);
}

.concept-card__chip {
  display: inline-flex;
  margin-bottom: 12px;
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-soft);
  font: 700 10px/1.2 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.concept-card strong,
.spotlight-concept h4 {
  display: block;
  margin: 0 0 8px;
  font-size: 20px;
  line-height: 1.05;
}

.concept-card p,
.spotlight-concept p {
  margin: 0;
  color: var(--text-soft);
  font: 500 12px/1.7 var(--mono);
}

.concept-card__notes {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.concept-card__notes span,
.inspector-route-meta span {
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--line);
  color: var(--text-soft);
  font: 600 10px/1.2 var(--mono);
  text-transform: uppercase;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 18px 22px;
  background: rgba(18, 24, 31, 0.7);
  border: 1px solid var(--line);
}

.topbar h2 {
  font-size: 30px;
}

.topbar-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.topbar-chip {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-soft);
  border-radius: 999px;
  padding: 10px 14px;
  font: 600 11px/1.2 var(--mono);
  text-transform: uppercase;
}

.topbar-chip--accent {
  color: #fff6ea;
  background: linear-gradient(145deg, rgba(79, 148, 205, 0.54), rgba(236, 122, 98, 0.38));
}

.spotlight {
  display: grid;
  grid-template-columns: 1.25fr 0.95fr;
  gap: 18px;
  padding: 24px;
  background:
    linear-gradient(135deg, rgba(245, 238, 225, 0.98), rgba(233, 225, 209, 0.92)),
    linear-gradient(180deg, rgba(79, 148, 205, 0.08), transparent);
  color: var(--text-dark);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.spotlight h3 {
  font-size: clamp(2rem, 3vw, 3.5rem);
  line-height: 0.95;
  max-width: 12ch;
}

.spotlight p {
  margin-top: 14px;
  color: rgba(24, 32, 42, 0.74);
  max-width: 60ch;
}

.spotlight-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.spotlight-grid article {
  padding: 16px;
  border-radius: 18px;
  background: rgba(18, 24, 31, 0.07);
  border: 1px solid rgba(24, 32, 42, 0.08);
}

.spotlight-concept {
  padding: 18px;
  border-radius: 20px;
  background: rgba(18, 24, 31, 0.08);
  border: 1px solid rgba(24, 32, 42, 0.08);
}

.spotlight-grid strong {
  display: block;
  margin-bottom: 10px;
  font: 700 18px/1 var(--display);
}

.spotlight-grid span {
  color: rgba(24, 32, 42, 0.68);
  font: 500 11px/1.6 var(--mono);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr 1fr;
  gap: 16px;
}

.hero-card {
  padding: 22px;
  border: 1px solid var(--line);
  background: rgba(19, 24, 31, 0.72);
}

.hero-card h3 {
  font-size: 28px;
  line-height: 1.05;
}

.hero-card p:not(.eyebrow) {
  color: var(--text-soft);
  font: 500 13px/1.75 var(--mono);
}

.hero-card--primary {
  background: linear-gradient(140deg, rgba(79, 148, 205, 0.28), rgba(20, 24, 32, 0.94));
}

.hero-card--signal {
  background: linear-gradient(155deg, rgba(236, 122, 98, 0.22), rgba(18, 23, 31, 0.92));
}

.board-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) 330px;
  gap: 18px;
}

.content-stage {
  min-width: 0;
}

.tab-panel {
  padding: 24px;
  background: rgba(18, 23, 31, 0.78);
  border: 1px solid var(--line);
}

.tab-panel--light {
  background: linear-gradient(180deg, rgba(250, 245, 236, 0.98), rgba(239, 230, 217, 0.96));
  color: var(--text-dark);
  border-color: rgba(15, 20, 25, 0.07);
}

.tab-panel--light .eyebrow {
  color: var(--accent);
}

.tab-panel--light .panel-subtitle,
.tab-panel--light .mini-copy,
.tab-panel--light .inline-note,
.tab-panel--light .timeline-meta,
.tab-panel--light .surface-card p,
.tab-panel--light .board p {
  color: rgba(24, 32, 42, 0.72);
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 22px;
}

.panel-header h3 {
  font-size: 34px;
  line-height: 0.95;
}

.panel-subtitle {
  margin-top: 12px;
  color: var(--text-soft);
  max-width: 60ch;
}

.badge {
  white-space: nowrap;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(79, 148, 205, 0.24);
  background: rgba(79, 148, 205, 0.11);
  font: 700 11px/1.2 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.list-stack {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.surface-grid,
.stat-grid,
.idea-grid,
.command-grid {
  display: grid;
  gap: 12px;
}

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

.stat-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

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

.surface-card,
.stat-grid article,
.idea-grid article,
.command-grid article,
.timeline-list article,
.chat-list article,
.board {
  padding: 18px;
}

.surface-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
}

.tab-panel--light .surface-card,
.tab-panel--light .stat-grid article,
.tab-panel--light .idea-grid article,
.tab-panel--light .command-grid article,
.tab-panel--light .timeline-list article,
.tab-panel--light .chat-list article,
.tab-panel--light .board {
  background: rgba(255, 255, 255, 0.48);
  border: 1px solid rgba(20, 25, 30, 0.08);
}

.surface-card h4,
.board h4,
.review-points h4 {
  margin: 0 0 8px;
  font-size: 20px;
  line-height: 1.1;
}

.metric strong,
.stat-grid strong {
  display: block;
  font-size: clamp(1.8rem, 2vw, 2.6rem);
  line-height: 0.95;
  margin-bottom: 10px;
}

.metric span,
.inline-note {
  color: var(--text-soft);
  font: 500 11px/1.6 var(--mono);
}

.timeline-list,
.chat-list {
  display: grid;
  gap: 12px;
}

.timeline-list article,
.chat-list article {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
}

.timeline-list strong,
.chat-list strong,
.idea-grid strong,
.command-grid strong {
  display: block;
  font-size: 18px;
  line-height: 1.15;
}

.timeline-meta {
  margin-top: 10px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--text-soft);
  font: 500 11px/1.6 var(--mono);
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--line);
  font: 600 11px/1.2 var(--mono);
  text-transform: uppercase;
}

.tab-panel--light .chip {
  background: rgba(255, 255, 255, 0.58);
  border-color: rgba(20, 25, 30, 0.08);
  color: var(--text-dark);
}

.board {
  background: linear-gradient(145deg, rgba(79, 148, 205, 0.14), rgba(255, 255, 255, 0.03));
  border: 1px solid rgba(79, 148, 205, 0.22);
}

.inspector {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.inspector-card {
  padding: 20px;
  background: rgba(18, 23, 31, 0.78);
  border: 1px solid var(--line);
}

.inspector-card--accent {
  background: linear-gradient(145deg, rgba(217, 160, 79, 0.18), rgba(18, 23, 31, 0.9));
  border-color: rgba(217, 160, 79, 0.16);
}

.inspector-card ul {
  margin: 0;
  padding-left: 18px;
  color: var(--text-soft);
  font: 500 13px/1.8 var(--mono);
}

.inspector-route-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

body[data-theme="notebook"] .sidebar,
body[data-theme="notebook"] .topbar,
body[data-theme="notebook"] .concept-switcher,
body[data-theme="notebook"] .hero-card,
body[data-theme="notebook"] .tab-panel,
body[data-theme="notebook"] .inspector-card,
body[data-theme="notebook"] .mini-console,
body[data-theme="notebook"] .brand-panel {
  color: var(--text);
}

body[data-theme="notebook"] .sidebar {
  background: rgba(248, 241, 230, 0.78);
}

body[data-theme="notebook"] .topbar,
body[data-theme="notebook"] .concept-switcher,
body[data-theme="notebook"] .hero-card,
body[data-theme="notebook"] .inspector-card,
body[data-theme="notebook"] .mini-console,
body[data-theme="notebook"] .brand-panel,
body[data-theme="notebook"] .tab-panel {
  background: rgba(255, 251, 244, 0.84);
  border-color: rgba(66, 55, 40, 0.1);
}

body[data-theme="notebook"] .brand-copy,
body[data-theme="notebook"] .mini-console p,
body[data-theme="notebook"] .panel-subtitle,
body[data-theme="notebook"] .concept-switcher__intro p:not(.eyebrow),
body[data-theme="notebook"] .hero-card p:not(.eyebrow),
body[data-theme="notebook"] .sidebar-foot p,
body[data-theme="notebook"] .concept-card p,
body[data-theme="notebook"] .spotlight p,
body[data-theme="notebook"] .spotlight-concept p,
body[data-theme="notebook"] .inspector-card ul,
body[data-theme="notebook"] .review-points p {
  color: var(--text-soft);
}

body[data-theme="notebook"] .nav-card,
body[data-theme="notebook"] .surface-card,
body[data-theme="notebook"] .timeline-list article,
body[data-theme="notebook"] .chat-list article,
body[data-theme="notebook"] .review-points article,
body[data-theme="notebook"] .concept-card {
  background: rgba(116, 94, 70, 0.04);
  border-color: rgba(66, 55, 40, 0.08);
}

body[data-theme="notebook"] .spotlight {
  background:
    linear-gradient(135deg, rgba(255, 250, 242, 0.98), rgba(244, 235, 219, 0.96)),
    linear-gradient(180deg, rgba(79, 148, 205, 0.06), transparent);
}

body[data-theme="signal"] .concept-switcher,
body[data-theme="signal"] .topbar,
body[data-theme="signal"] .mini-console,
body[data-theme="signal"] .brand-panel,
body[data-theme="signal"] .hero-card,
body[data-theme="signal"] .tab-panel,
body[data-theme="signal"] .inspector-card {
  border-color: rgba(124, 172, 219, 0.14);
}

body[data-theme="signal"] .brand-panel,
body[data-theme="signal"] .hero-card--primary,
body[data-theme="signal"] .nav-card.is-active,
body[data-theme="signal"] .concept-card.is-active {
  background: linear-gradient(145deg, rgba(79, 148, 205, 0.26), rgba(15, 21, 29, 0.94));
}

body[data-theme="signal"] .spotlight {
  background:
    linear-gradient(135deg, rgba(222, 235, 248, 0.98), rgba(208, 224, 240, 0.96)),
    linear-gradient(180deg, rgba(79, 148, 205, 0.08), transparent);
}

.review-points {
  display: grid;
  gap: 12px;
}

.review-points article {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 12px;
  padding: 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
}

.review-points strong {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: rgba(79, 148, 205, 0.18);
  color: #d8ebfb;
  font: 700 16px/1 var(--mono);
}

.review-points p {
  margin: 0;
  color: var(--text-soft);
  font: 500 12px/1.7 var(--mono);
}

@media (max-width: 1240px) {
  .concept-switcher,
  .hero-grid,
  .board-layout,
  .spotlight {
    grid-template-columns: 1fr;
  }

  .concept-options,
  .surface-grid,
  .idea-grid,
  .command-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 980px) {
  .shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .nav-groups {
    max-height: none;
  }

  .workspace {
    padding-top: 12px;
  }

  .topbar,
  .concept-switcher,
  .panel-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .concept-options,
  .surface-grid,
  .stat-grid,
  .idea-grid,
  .command-grid,
  .spotlight-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .workspace,
  .sidebar {
    padding: 14px;
  }

  .brand-panel,
  .mini-console,
  .topbar,
  .spotlight,
  .hero-card,
  .tab-panel,
  .inspector-card {
    border-radius: 22px;
  }

  .brand-panel h1,
  .topbar h2 {
    font-size: 28px;
  }

  .hero-card h3,
  .panel-header h3 {
    font-size: 24px;
  }

  .brand-stats {
    grid-template-columns: 1fr;
  }
}