:root {
  color-scheme: dark light;

  --font-ui: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-display: "SF Pro Display", Inter, ui-sans-serif, system-ui, sans-serif;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-7: 2rem;
  --space-8: 3rem;
  --space-9: 4rem;

  --radius-sm: 0.9rem;
  --radius-md: 1.2rem;
  --radius-lg: 1.75rem;
  --radius-xl: 2rem;
  --radius-pill: 999px;

  --shadow-soft: 0 14px 40px rgba(0, 0, 0, 0.18);
  --shadow-panel: 0 24px 70px rgba(0, 0, 0, 0.28);
  --shadow-glow: 0 0 48px rgba(164, 93, 255, 0.24);

  --transition-fast: 160ms ease;
  --transition-base: 240ms ease;

  --shell-width: min(1240px, calc(100% - 2rem));
}

:root[data-theme='dark'] {
  --bg: #090a0f;
  --bg-elevated: rgba(19, 22, 33, 0.72);
  --surface: rgba(255, 255, 255, 0.05);
  --surface-strong: rgba(255, 255, 255, 0.09);
  --surface-soft: rgba(255, 255, 255, 0.035);
  --surface-solid: #111421;
  --border: rgba(192, 198, 255, 0.12);
  --border-strong: rgba(200, 205, 255, 0.22);
  --text: #f4f7ff;
  --text-soft: #aab2ca;
  --text-faint: #7d86a3;
  --primary: #b06dff;
  --primary-strong: #7f3eff;
  --accent: #66e5ff;
  --accent-soft: rgba(102, 229, 255, 0.12);
  --success: #34d399;
  --danger: #fb7185;
  --topbar-bg: rgba(10, 12, 18, 0.48);
  --grid-color: rgba(255, 255, 255, 0.04);
  --brand-text: rgba(255, 255, 255, 0.94);
  --button-secondary-text: #eff3ff;
}

:root[data-theme='light'] {
  --bg: #f4f7fc;
  --bg-elevated: rgba(255, 255, 255, 0.82);
  --surface: rgba(255, 255, 255, 0.7);
  --surface-strong: rgba(255, 255, 255, 0.94);
  --surface-soft: rgba(255, 255, 255, 0.58);
  --surface-solid: #ffffff;
  --border: rgba(77, 91, 140, 0.12);
  --border-strong: rgba(77, 91, 140, 0.2);
  --text: #0f1322;
  --text-soft: #59627c;
  --text-faint: #7a84a1;
  --primary: #8e4dff;
  --primary-strong: #6d34eb;
  --accent: #00bfe8;
  --accent-soft: rgba(0, 191, 232, 0.1);
  --success: #059669;
  --danger: #ef4444;
  --topbar-bg: rgba(255, 255, 255, 0.66);
  --grid-color: rgba(16, 19, 34, 0.05);
  --brand-text: #ffffff;
  --button-secondary-text: #13182a;
  --shadow-soft: 0 14px 30px rgba(35, 49, 86, 0.08);
  --shadow-panel: 0 22px 70px rgba(35, 49, 86, 0.12);
  --shadow-glow: 0 0 36px rgba(142, 77, 255, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body,
button,
a,
input {
  -webkit-tap-highlight-color: transparent;
}

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

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

kbd,
code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

::selection {
  background: color-mix(in srgb, var(--primary) 38%, transparent);
  color: white;
}

.app-shell {
  position: relative;
  min-height: 100svh;
  overflow: clip;
}

.app-bg {
  background:
    radial-gradient(circle at 18% 12%, color-mix(in srgb, var(--primary) 18%, transparent), transparent 26%),
    radial-gradient(circle at 82% 14%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 22%),
    radial-gradient(circle at 50% 100%, color-mix(in srgb, var(--primary-strong) 10%, transparent), transparent 28%),
    linear-gradient(180deg, color-mix(in srgb, var(--surface) 18%, transparent), transparent),
    var(--bg);
}

.bg-grid,
.bg-noise,
.bg-orb {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.bg-grid {
  background-image:
    linear-gradient(to right, var(--grid-color) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-color) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(circle at center, black 42%, transparent 92%);
}

.bg-noise {
  opacity: 0.07;
  background-image:
    radial-gradient(circle at 25% 20%, white 0 1px, transparent 1.4px),
    radial-gradient(circle at 75% 50%, white 0 1px, transparent 1.4px),
    radial-gradient(circle at 40% 80%, white 0 1px, transparent 1.4px);
  background-size: 190px 190px;
}

.bg-orb {
  filter: blur(74px);
  opacity: 0.6;
}

.bg-orb--primary {
  inset: auto auto 8% 2%;
  width: min(28rem, 45vw);
  height: min(28rem, 45vw);
  border-radius: 50%;
  background: color-mix(in srgb, var(--primary) 46%, transparent);
}

.bg-orb--accent {
  inset: 8% 6% auto auto;
  width: min(22rem, 35vw);
  height: min(22rem, 35vw);
  border-radius: 50%;
  background: color-mix(in srgb, var(--accent) 30%, transparent);
}

.shell-width {
  width: var(--shell-width);
  margin-inline: auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0;
  backdrop-filter: blur(16px);
}

.brand-inline,
.control-chip,
.control-icon,
.badge,
.status-pill,
.hero-links a,
.bottom-dock a,
.toggle,
.setting-tag {
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--topbar-bg) 92%, transparent);
  box-shadow: var(--shadow-soft);
}

.brand-inline {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.7rem 1rem;
  border-radius: var(--radius-pill);
}

.brand-inline__mark {
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #ffffff 0%, var(--primary) 38%, var(--primary-strong) 100%);
  box-shadow: 0 0 18px color-mix(in srgb, var(--primary) 40%, transparent);
}

.brand-inline__label {
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.22em;
  white-space: nowrap;
}

.topbar__nav {
  display: inline-flex;
  justify-content: center;
  gap: 1.2rem;
  justify-self: center;
}

.topbar__nav a {
  color: var(--text-soft);
  font-size: 0.94rem;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.topbar__nav a:hover,
.topbar__nav a:focus-visible {
  color: var(--text);
  transform: translateY(-1px);
}

.topbar__actions {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.control-chip,
.control-icon,
.button,
.bottom-dock a,
.hero-links a,
.command-list button,
.toggle {
  transition:
    transform var(--transition-fast),
    border-color var(--transition-base),
    background var(--transition-base),
    box-shadow var(--transition-base),
    color var(--transition-base),
    opacity var(--transition-base);
}

.control-chip:hover,
.control-icon:hover,
.button:hover,
.bottom-dock a:hover,
.hero-links a:hover,
.command-list button:hover,
.toggle:hover,
.control-chip:focus-visible,
.control-icon:focus-visible,
.button:focus-visible,
.bottom-dock a:focus-visible,
.hero-links a:focus-visible,
.command-list button:focus-visible,
.toggle:focus-visible {
  transform: translateY(-1px);
}

.control-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  min-height: 2.9rem;
  padding: 0 1rem;
  border-radius: var(--radius-pill);
  color: var(--text);
}

.control-chip kbd {
  padding: 0.18rem 0.42rem;
  border-radius: 0.5rem;
  color: var(--text-soft);
  background: color-mix(in srgb, var(--surface-strong) 95%, transparent);
}

.control-chip--strong {
  background: linear-gradient(180deg, color-mix(in srgb, var(--surface-strong) 100%, transparent), color-mix(in srgb, var(--surface) 85%, transparent));
}

.control-icon {
  width: 2.9rem;
  height: 2.9rem;
  display: inline-grid;
  place-items: center;
  border-radius: 50%;
}

.control-icon--sm {
  width: 2.15rem;
  height: 2.15rem;
  box-shadow: none;
}

.theme-icon {
  grid-area: 1 / 1;
  font-size: 1rem;
}

:root[data-theme='dark'] .theme-icon--sun,
:root[data-theme='light'] .theme-icon--moon {
  opacity: 0.42;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(340px, 0.98fr);
  gap: 1.25rem;
  padding: 3.4rem 0 1.6rem;
}

.panel {
  position: relative;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, var(--surface-strong), var(--surface-soft));
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-panel);
  overflow: hidden;
}

.panel::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.08), transparent 22%);
  pointer-events: none;
  opacity: 0.55;
}

.auth-panel,
.preview-panel,
.module-card,
.system-card,
.deploy-card {
  padding: clamp(1.15rem, 2vw, 1.6rem);
}

.auth-panel {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  min-height: 100%;
}

.eyebrow {
  margin: 0;
  color: var(--text-faint);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.34em;
}

.eyebrow--soft {
  font-size: 0.78rem;
  letter-spacing: 0.28em;
}

.brand-plate {
  position: relative;
  isolation: isolate;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: clamp(5.8rem, 12vw, 8.8rem);
  padding: 0 1.3rem;
  border-radius: clamp(1.8rem, 4vw, 2.75rem);
  border: 1px solid color-mix(in srgb, var(--primary) 40%, white 14%);
  background:
    radial-gradient(circle at 20% 20%, rgba(255,255,255,0.24), transparent 28%),
    linear-gradient(90deg, color-mix(in srgb, white 18%, var(--primary) 82%), color-mix(in srgb, var(--primary-strong) 62%, black 8%));
  box-shadow: var(--shadow-glow), inset 0 1px 0 rgba(255,255,255,0.22);
}

.brand-plate__glow,
.brand-plate__line {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.brand-plate__glow {
  background: radial-gradient(circle at 50% 50%, rgba(255,255,255,0.18), transparent 60%);
  mix-blend-mode: screen;
}

.brand-plate__line {
  inset: auto 5% 0.35rem;
  height: 0.18rem;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.92), transparent);
  opacity: 0.66;
}

.brand-plate__text {
  position: relative;
  z-index: 1;
  width: 100%;
  text-align: center;
  font-family: var(--font-display);
  font-size: clamp(2.65rem, 8.2vw, 5.4rem);
  line-height: 0.88;
  letter-spacing: -0.05em;
  font-weight: 900;
  color: var(--brand-text);
  text-shadow: 0 1px 0 rgba(255,255,255,0.1);
}

.lede {
  margin: 0;
  max-width: 28ch;
  font-size: clamp(1.1rem, 2.5vw, 1.45rem);
  line-height: 1.52;
  color: var(--text-soft);
}

.status-row,
.auth-actions,
.auth-actions__grid,
.hero-links,
.preview-head,
.metrics-grid,
.section-head,
.workspace-grid,
.system-grid,
.deploy-grid,
.footer {
  display: grid;
}

.status-row {
  grid-template-columns: repeat(2, minmax(0, auto));
  gap: 0.8rem;
  justify-content: start;
}

.status-pill,
.badge,
.setting-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  min-height: 2.55rem;
  padding: 0 0.9rem;
  border-radius: var(--radius-pill);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text);
}

.status-pill--muted {
  color: var(--text-soft);
}

.status-pill--online {
  border-color: color-mix(in srgb, var(--success) 26%, var(--border));
}

.status-dot,
.dot,
.deploy-item > span,
.clean-list li > span {
  display: inline-block;
  flex: 0 0 auto;
  border-radius: 50%;
}

.status-dot {
  width: 0.58rem;
  height: 0.58rem;
  background: var(--success);
  box-shadow: 0 0 12px color-mix(in srgb, var(--success) 55%, transparent);
}

.auth-actions {
  gap: 0.8rem;
}

.auth-actions__grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

.button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.9rem;
  min-height: 3.6rem;
  padding: 0 1.1rem;
  border-radius: calc(var(--radius-lg) - 0.15rem);
  border: 1px solid var(--border);
  color: var(--text);
}

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

.button strong {
  font-size: 1rem;
  line-height: 1.1;
}

.button small {
  font-size: 0.8rem;
  color: color-mix(in srgb, var(--brand-text) 76%, transparent);
  line-height: 1.1;
  margin-top: 0.18rem;
}

.button--xl {
  min-height: 4.9rem;
  justify-content: flex-start;
  padding-inline: 1.2rem;
}

.button--lg {
  min-height: 3.8rem;
}

.button--primary {
  border-color: color-mix(in srgb, var(--primary) 46%, white 6%);
  background:
    linear-gradient(90deg, color-mix(in srgb, white 16%, var(--primary) 84%), color-mix(in srgb, var(--primary-strong) 78%, black 8%));
  color: white;
  box-shadow: var(--shadow-glow), inset 0 1px 0 rgba(255,255,255,0.22);
}

.button--secondary {
  background: linear-gradient(180deg, color-mix(in srgb, var(--surface-strong) 100%, transparent), color-mix(in srgb, var(--surface) 80%, transparent));
  color: var(--button-secondary-text);
}

.button--ghost {
  background: transparent;
  color: var(--text-soft);
}

.button__logo {
  width: 2.8rem;
  height: 2.8rem;
  display: inline-grid;
  place-items: center;
  border-radius: 50%;
  font-weight: 900;
  font-size: 1.55rem;
  color: #111;
  background: conic-gradient(#ea4335, #fbbc05, #34a853, #4285f4, #ea4335);
}

.hero-links {
  grid-template-columns: repeat(3, minmax(0, auto));
  gap: 0.7rem;
  justify-content: start;
}

.hero-links a,
.bottom-dock a {
  min-height: 2.75rem;
  padding: 0 0.95rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  color: var(--text-soft);
}

.hero-links a:hover,
.bottom-dock a:hover {
  color: var(--text);
  border-color: var(--border-strong);
}

.preview-panel {
  display: grid;
  gap: 1rem;
}

.preview-head {
  grid-template-columns: 1fr auto;
  align-items: start;
  gap: 1rem;
}

.preview-head h1,
.preview-head h2,
.section-head h2,
.module-card__head h3,
.system-card h3,
.deploy-card h2 {
  margin: 0;
  line-height: 1.05;
}

.preview-head h1 {
  font-size: clamp(1.7rem, 4vw, 2.3rem);
}

.badge {
  color: var(--text);
}

.badge--soft {
  color: var(--text-soft);
}

.metrics-grid,
.workspace-grid,
.system-grid,
.deploy-grid {
  gap: 0.9rem;
}

.metrics-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.metric-card,
.module-card,
.system-card {
  position: relative;
  overflow: hidden;
}

.metric-card {
  padding: 1rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, color-mix(in srgb, var(--surface-strong) 100%, transparent), color-mix(in srgb, var(--surface) 75%, transparent));
}

.metric-card__label,
.module-card p,
.system-card p,
.deploy-card p,
.section-head p,
.signal-card__copy p,
.footer p,
.deploy-item small {
  color: var(--text-soft);
}

.metric-card__label {
  display: block;
  margin-bottom: 0.45rem;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.metric-card strong {
  display: block;
  font-size: 1.25rem;
  margin-bottom: 0.28rem;
}

.metric-card small {
  color: var(--text-faint);
}

.console-card,
.signal-card,
.device-frame {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, color-mix(in srgb, var(--surface-strong) 100%, transparent), color-mix(in srgb, var(--surface) 80%, transparent));
}

.console-card {
  overflow: hidden;
}

.console-card__header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 2.9rem;
  padding: 0 0.9rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-soft);
}

.dot {
  width: 0.55rem;
  height: 0.55rem;
}

.dot--red {
  background: #fb7185;
}

.dot--amber {
  background: #fbbf24;
}

.dot--green {
  background: #34d399;
}

.console-log {
  display: grid;
  gap: 0.6rem;
  padding: 1rem;
}

.console-log div {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 0.8rem;
  font-size: 0.94rem;
}

.console-log span {
  color: var(--accent);
  font-weight: 700;
}

.console-log code {
  color: var(--text-soft);
  background: transparent;
}

.signal-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  padding: 1rem;
}

.signal-card__copy h2 {
  margin: 0.3rem 0 0.45rem;
}

.signal-card__copy p:last-child {
  margin-bottom: 0;
}

.signal-graph {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  align-items: end;
  gap: 0.55rem;
  min-height: 8.5rem;
}

.signal-graph span,
.mini-bars span,
.device-frame div {
  border-radius: 999px;
  background: linear-gradient(180deg, color-mix(in srgb, var(--accent) 70%, white 12%), color-mix(in srgb, var(--primary) 68%, black 10%));
  box-shadow: 0 0 18px color-mix(in srgb, var(--primary) 20%, transparent);
}

.signal-graph span:nth-child(1) { height: 46%; }
.signal-graph span:nth-child(2) { height: 65%; }
.signal-graph span:nth-child(3) { height: 38%; }
.signal-graph span:nth-child(4) { height: 82%; }
.signal-graph span:nth-child(5) { height: 56%; }
.signal-graph span:nth-child(6) { height: 74%; }
.signal-graph span:nth-child(7) { height: 44%; }

.section {
  padding: 1.2rem 0 0.8rem;
}

.section-head {
  grid-template-columns: minmax(0, 1fr) minmax(260px, 34rem);
  align-items: end;
  gap: 1rem;
  margin-bottom: 1rem;
}

.section-head--compact {
  margin-bottom: 0.8rem;
}

.section-head h2 {
  font-size: clamp(1.55rem, 3vw, 2.25rem);
}

.section-head p {
  margin: 0;
  line-height: 1.55;
}

.workspace-grid {
  grid-template-columns: 1.1fr repeat(3, minmax(0, 1fr));
}

.module-card__head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 0.9rem;
  margin-bottom: 0.8rem;
}

.module-card p,
.system-card p,
.deploy-card p,
.clean-list,
.stack-pills,
.chip-cloud,
.token-row,
.device-frame,
.deploy-list,
.deploy-code,
.footer__chips {
  margin: 0;
}

.module-card--feature {
  background:
    radial-gradient(circle at 90% 18%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 24%),
    linear-gradient(180deg, var(--surface-strong), var(--surface-soft));
}

.stack-pills,
.chip-cloud,
.settings-row,
.settings-pills,
.deploy-list,
.footer__chips {
  display: flex;
  flex-wrap: wrap;
}

.stack-pills,
.chip-cloud,
.footer__chips {
  gap: 0.6rem;
}

.stack-pills span,
.chip-cloud span {
  padding: 0.55rem 0.85rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface-strong) 100%, transparent);
  color: var(--text-soft);
}

.clean-list {
  display: grid;
  gap: 0.8rem;
  padding: 0;
  list-style: none;
}

.clean-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-soft);
}

.clean-list li > span,
.deploy-item > span {
  width: 0.65rem;
  height: 0.65rem;
  background: linear-gradient(180deg, var(--accent), var(--primary));
}

.mini-bars {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  align-items: end;
  gap: 0.5rem;
  min-height: 7rem;
  margin: 0.5rem 0 0.8rem;
}

.mini-bars span {
  height: var(--h);
}

.setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.9rem;
  min-height: 3.4rem;
  padding: 0.15rem 0;
  border-bottom: 1px solid color-mix(in srgb, var(--border) 80%, transparent);
  color: var(--text-soft);
}

.setting-row:last-child {
  border-bottom: 0;
}

.setting-tag {
  min-height: 2.15rem;
  padding-inline: 0.75rem;
  font-size: 0.72rem;
}

.setting-tag--ok {
  color: var(--success);
  border-color: color-mix(in srgb, var(--success) 30%, var(--border));
}

.toggle {
  position: relative;
  width: 3.6rem;
  height: 2rem;
  border-radius: 999px;
}

.toggle span {
  position: absolute;
  top: 0.24rem;
  left: 0.24rem;
  width: 1.4rem;
  height: 1.4rem;
  border-radius: 50%;
  background: linear-gradient(180deg, white, color-mix(in srgb, var(--primary) 70%, white 20%));
  transition: transform var(--transition-base);
}

:root[data-theme='light'] .toggle span {
  transform: translateX(1.52rem);
}

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

.token-row {
  display: flex;
  gap: 0.55rem;
  margin-top: 1rem;
}

.token {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.7rem;
  border: 1px solid var(--border);
}

.token--primary { background: linear-gradient(180deg, color-mix(in srgb, white 16%, var(--primary) 84%), var(--primary-strong)); }
.token--secondary { background: linear-gradient(180deg, color-mix(in srgb, var(--surface-strong) 100%, transparent), color-mix(in srgb, var(--surface) 90%, transparent)); }
.token--accent { background: linear-gradient(180deg, color-mix(in srgb, white 10%, var(--accent) 90%), color-mix(in srgb, var(--accent) 70%, black 8%)); }
.token--surface { background: var(--surface-solid); }

.device-frame {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  align-items: end;
  gap: 0.75rem;
  padding: 1rem;
  margin-top: 1rem;
  min-height: 7.4rem;
}

.device-frame div:nth-child(1) { height: 72%; }
.device-frame div:nth-child(2) { height: 100%; }
.device-frame div:nth-child(3) { height: 58%; }

.deploy-card {
  padding: 1.1rem;
}

.deploy-grid {
  grid-template-columns: 1fr 1fr;
  align-items: start;
}

.deploy-list,
.deploy-code {
  gap: 0.8rem;
}

.deploy-item,
.deploy-code code {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, color-mix(in srgb, var(--surface-strong) 100%, transparent), color-mix(in srgb, var(--surface) 80%, transparent));
}

.deploy-item {
  display: grid;
  grid-template-columns: 0.75rem 1fr auto;
  align-items: center;
  gap: 0.8rem;
  min-height: 4rem;
  padding: 0 1rem;
}

.deploy-item strong {
  display: block;
}

.deploy-code code {
  display: block;
  padding: 1rem;
  color: var(--text-soft);
}

.footer {
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 1rem;
  padding: 2rem 0 6.5rem;
}

.footer p {
  margin: 0;
}

.footer__chips span {
  padding: 0.55rem 0.8rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  color: var(--text-soft);
  background: color-mix(in srgb, var(--surface-strong) 100%, transparent);
}

.bottom-dock {
  position: fixed;
  left: 50%;
  bottom: max(1rem, env(safe-area-inset-bottom));
  transform: translateX(-50%);
  z-index: 40;
  display: none;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.55rem;
  width: min(92vw, 30rem);
  padding: 0.55rem;
  border-radius: calc(var(--radius-xl) + 0.2rem);
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--topbar-bg) 94%, transparent);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow-panel);
}

.command-palette {
  width: min(92vw, 40rem);
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--text);
}

.command-palette::backdrop {
  background: rgba(6, 8, 13, 0.55);
  backdrop-filter: blur(8px);
}

.command-palette__sheet {
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, var(--surface-strong), var(--surface-soft));
  box-shadow: var(--shadow-panel);
  overflow: hidden;
}

.command-palette__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1rem 0.75rem;
  border-bottom: 1px solid var(--border);
}

.command-input {
  display: grid;
  gap: 0.5rem;
  padding: 1rem;
  color: var(--text-soft);
}

.command-input input {
  min-height: 3.2rem;
  border-radius: 1rem;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface-strong) 100%, transparent);
  color: var(--text);
  padding: 0 1rem;
  outline: none;
}

.command-input input:focus {
  border-color: color-mix(in srgb, var(--primary) 50%, var(--border));
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--primary) 14%, transparent);
}

.command-list {
  display: grid;
  gap: 0.55rem;
  padding: 0 1rem 1rem;
}

.command-list button {
  min-height: 3rem;
  border-radius: 1rem;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface-strong) 100%, transparent);
  color: var(--text);
  text-align: left;
  padding: 0 1rem;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(1.25rem + env(safe-area-inset-bottom));
  transform: translateX(-50%) translateY(1rem);
  z-index: 60;
  min-width: min(88vw, 22rem);
  padding: 0.95rem 1.1rem;
  border-radius: 1rem;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface-strong) 100%, transparent);
  color: var(--text);
  box-shadow: var(--shadow-panel);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base), transform var(--transition-base);
  text-align: center;
  backdrop-filter: blur(14px);
}

.toast.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

@media (max-width: 1120px) {
  .hero,
  .workspace-grid,
  .system-grid,
  .deploy-grid,
  .section-head {
    grid-template-columns: 1fr;
  }

  .workspace-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .module-card--feature {
    grid-column: 1 / -1;
  }

  .topbar {
    grid-template-columns: auto auto;
  }

  .topbar__nav {
    display: none;
  }
}

@media (max-width: 760px) {
  :root {
    --shell-width: min(100% - 1rem, 100% - 1rem);
  }

  .topbar {
    grid-template-columns: 1fr auto;
    align-items: center;
  }

  .topbar__actions {
    gap: 0.5rem;
  }

  .control-chip {
    padding-inline: 0.85rem;
  }

  #commandButton {
    display: none;
  }

  #installButton {
    font-size: 0.92rem;
  }

  .hero {
    padding-top: 2.2rem;
  }

  .status-row,
  .auth-actions__grid,
  .metrics-grid,
  .signal-card,
  .workspace-grid,
  .footer {
    grid-template-columns: 1fr;
  }

  .signal-card {
    gap: 0.7rem;
  }

  .hero-links {
    grid-template-columns: 1fr;
  }

  .preview-head {
    grid-template-columns: 1fr;
  }

  .button--xl {
    min-height: 4.6rem;
  }

  .button__logo {
    width: 2.55rem;
    height: 2.55rem;
    font-size: 1.42rem;
  }

  .brand-plate__text {
    letter-spacing: -0.06em;
  }

  .footer {
    padding-bottom: 7.2rem;
  }

  .footer__chips {
    justify-content: flex-start;
  }

  .bottom-dock {
    display: grid;
  }
}

@media (max-width: 520px) {
  .brand-inline__label {
    font-size: 0.75rem;
    letter-spacing: 0.16em;
  }

  .control-chip,
  .control-icon {
    min-height: 2.7rem;
  }

  #installButton {
    min-width: 0;
    padding-inline: 0.9rem;
  }

  .auth-panel,
  .preview-panel,
  .module-card,
  .system-card,
  .deploy-card {
    padding: 1rem;
  }

  .status-pill,
  .badge,
  .setting-tag {
    min-height: 2.4rem;
    font-size: 0.76rem;
    letter-spacing: 0.09em;
  }

  .brand-plate {
    min-height: 5rem;
    padding-inline: 1rem;
  }

  .brand-plate__text {
    font-size: clamp(2.15rem, 13vw, 3.6rem);
  }

  .lede {
    font-size: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition-duration: 0s !important;
    scroll-behavior: auto !important;
  }
}