:root,
[data-theme='light'] {
  --color-bg: #f7f2e8;
  --color-surface: #fffcf6;
  --color-surface-2: #f3ede1;
  --color-surface-3: #e8ded0;
  --color-text: #1f2524;
  --color-muted: #68706d;
  --color-faint: #9a9f9a;
  --color-border: rgba(31, 37, 36, 0.14);
  --color-primary: #0b5f5a;
  --color-primary-hover: #084945;
  --color-primary-soft: #dce9e4;
  --color-gold: #dfa449;
  --color-warning: #9a561f;
  --color-error: #a13b46;
  --color-success: #3f7c4e;
  --shadow-soft: 0 18px 60px rgba(31, 37, 36, 0.1);
  --shadow-card: 0 8px 30px rgba(31, 37, 36, 0.08);
  --radius-sm: 0.5rem;
  --radius-md: 0.8rem;
  --radius-lg: 1.25rem;
  --radius-xl: 1.8rem;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --font-display: 'Instrument Serif', Georgia, serif;
  --font-body: 'DM Sans', Arial, sans-serif;
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.45rem);
  --text-xl: clamp(1.55rem, 1.2rem + 1.25vw, 2.25rem);
}

[data-theme='dark'] {
  --color-bg: #171918;
  --color-surface: #202322;
  --color-surface-2: #282c2a;
  --color-surface-3: #343a37;
  --color-text: #f3efe6;
  --color-muted: #bbb6aa;
  --color-faint: #858c87;
  --color-border: rgba(243, 239, 230, 0.15);
  --color-primary: #7fc5bd;
  --color-primary-hover: #a2d9d3;
  --color-primary-soft: #263c39;
  --color-gold: #e4b663;
  --color-warning: #d8894a;
  --color-error: #e26f7b;
  --color-success: #7fc08d;
  --shadow-soft: 0 18px 60px rgba(0, 0, 0, 0.28);
  --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.22);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.55;
  color: var(--color-text);
  background:
    radial-gradient(circle at top left, rgba(223, 164, 73, 0.18), transparent 32rem),
    linear-gradient(135deg, var(--color-bg), var(--color-surface-2));
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

a {
  color: inherit;
}

:focus-visible {
  outline: 3px solid var(--color-gold);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.skip-link {
  position: absolute;
  left: var(--space-4);
  top: var(--space-4);
  z-index: 10;
  transform: translateY(-140%);
  background: var(--color-primary);
  color: #fff;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
}

.skip-link:focus {
  transform: translateY(0);
}

.prototype-shell {
  width: min(1480px, calc(100% - 32px));
  margin: 0 auto;
  padding: var(--space-4) 0 var(--space-8);
}

.topbar {
  position: sticky;
  top: var(--space-3);
  z-index: 5;
  display: flex;
  align-items: center;
  gap: var(--space-4);
  justify-content: space-between;
  padding: var(--space-3);
  margin-bottom: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: color-mix(in srgb, var(--color-surface) 88%, transparent);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow-card);
}

.brand {
  display: inline-flex;
  gap: var(--space-3);
  align-items: center;
  min-width: max-content;
  text-decoration: none;
}

.brand-mark {
  width: 44px;
  height: 44px;
  color: var(--color-primary);
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
}

.brand strong {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  line-height: 1;
}

.brand small {
  display: block;
  color: var(--color-muted);
  font-size: var(--text-xs);
}

.topnav {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  justify-content: center;
}

.topnav a,
.theme-toggle,
.pill,
.reset-button,
.button,
.ghost-button,
.small-button {
  min-height: 44px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-surface);
  color: var(--color-text);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  transition:
    background 160ms ease,
    color 160ms ease,
    border-color 160ms ease,
    transform 160ms ease;
}

.topnav a:hover,
.theme-toggle:hover,
.pill:hover,
.reset-button:hover,
.button:hover,
.ghost-button:hover,
.small-button:hover {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--color-primary) 50%, var(--color-border));
}

.topnav a.is-active,
.pill.is-active,
.button.primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.theme-toggle {
  width: 48px;
  padding: 0;
}

.main-grid {
  display: grid;
  grid-template-columns: minmax(280px, 360px) minmax(0, 1fr);
  gap: var(--space-4);
}

.side-panel {
  display: grid;
  gap: var(--space-4);
  align-content: start;
}

.context-card,
.status-card,
.review-card,
.workspace,
.phone-frame,
.board-card,
.admin-card,
.modal-card {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
}

.context-card,
.status-card,
.review-card {
  padding: var(--space-5);
}

.context-card h1 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  line-height: 1.02;
  margin: var(--space-2) 0 var(--space-4);
}

.context-card p,
.review-card li,
.status-card span,
.muted {
  color: var(--color-muted);
}

.eyebrow {
  margin: 0;
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.review-card ul {
  margin: var(--space-3) 0 0;
  padding-left: var(--space-5);
}

.status-card {
  display: grid;
  gap: var(--space-2);
}

.workspace {
  min-height: 760px;
  padding: var(--space-5);
}

.workspace-header {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  align-items: flex-start;
  margin-bottom: var(--space-5);
}

.workspace-header h2 {
  margin: var(--space-1) 0 0;
  font-size: var(--text-xl);
  line-height: 1.1;
}

.mode-pills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: flex-end;
}

.workspace-controls {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: flex-end;
  align-items: center;
}

.reset-button {
  background: var(--color-surface-2);
  color: var(--color-muted);
  border-style: dashed;
}

.reset-button:hover {
  color: var(--color-text);
  background: var(--color-surface);
}

.app-surface {
  min-height: 640px;
}

.overview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.overview-card {
  min-height: 250px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface-2);
  text-decoration: none;
}

.overview-card h3 {
  margin: var(--space-2) 0;
  font-size: var(--text-lg);
}

.overview-card p {
  color: var(--color-muted);
  margin: 0;
}

.prototype-layout {
  display: grid;
  grid-template-columns: minmax(310px, 390px) minmax(0, 1fr);
  gap: var(--space-5);
  align-items: start;
}

.phone-frame {
  overflow: hidden;
  max-width: 390px;
  min-height: 680px;
  background: var(--color-surface);
}

.phone-top {
  display: flex;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-2);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: var(--text-xs);
}

.phone-content {
  padding: var(--space-5);
}

.screen-title {
  margin: 0 0 var(--space-2);
  font-size: var(--text-xl);
  line-height: 1.08;
}

.screen-copy {
  margin: 0 0 var(--space-5);
  color: var(--color-muted);
}

.notice {
  border-radius: var(--radius-lg);
  background: var(--color-primary-soft);
  padding: var(--space-4);
  margin: var(--space-4) 0;
}

.notice strong {
  display: block;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.button,
.ghost-button {
  width: 100%;
  font-weight: 700;
}

.ghost-button {
  background: transparent;
}

.small-button {
  min-height: 40px;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: 700;
}

.menu-tabs {
  display: flex;
  gap: var(--space-2);
  overflow-x: auto;
  padding-bottom: var(--space-2);
  margin-bottom: var(--space-4);
}

.menu-tabs button {
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
  border-radius: 999px;
  min-height: 40px;
  padding: var(--space-2) var(--space-3);
  color: var(--color-text);
  white-space: nowrap;
}

.menu-tabs button.is-active {
  background: var(--color-primary);
  color: #fff;
}

.item-card,
.cart-line,
.order-card,
.setup-row,
.request-row {
  display: grid;
  gap: var(--space-2);
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}

.item-card + .item-card,
.cart-line + .cart-line,
.order-card + .order-card,
.setup-row + .setup-row,
.request-row + .request-row {
  margin-top: var(--space-3);
}

.item-card header,
.cart-line header,
.order-card header,
.setup-row header {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  align-items: flex-start;
}

.item-card h3,
.cart-line h3,
.order-card h3,
.setup-row h3 {
  margin: 0;
  font-size: var(--text-base);
}

.item-card p,
.cart-line p,
.order-card p,
.setup-row p {
  margin: 0;
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.price,
.code,
.metric {
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  width: fit-content;
  padding: var(--space-1) var(--space-2);
  border-radius: 999px;
  background: var(--color-surface-2);
  color: var(--color-muted);
  font-size: var(--text-xs);
  font-weight: 700;
}

.badge.success {
  color: var(--color-success);
  background: color-mix(in srgb, var(--color-success) 12%, var(--color-surface));
}

.badge.warning {
  color: var(--color-warning);
  background: color-mix(in srgb, var(--color-warning) 12%, var(--color-surface));
}

.badge.error {
  color: var(--color-error);
  background: color-mix(in srgb, var(--color-error) 12%, var(--color-surface));
}

.option-stack {
  display: grid;
  gap: var(--space-3);
  margin: var(--space-4) 0;
}

.option {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.option input {
  width: 22px;
  height: 22px;
}

.total-box {
  display: grid;
  gap: var(--space-2);
  padding: var(--space-4);
  margin-top: var(--space-4);
  border-radius: var(--radius-lg);
  background: var(--color-surface-2);
}

.total-box div {
  display: flex;
  justify-content: space-between;
}

.total-box div:last-child {
  padding-top: var(--space-2);
  border-top: 1px solid var(--color-border);
  font-weight: 700;
}

.status-steps {
  display: grid;
  gap: var(--space-3);
  margin: var(--space-5) 0;
}

.status-step {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
}

.dot {
  flex: 0 0 18px;
  width: 18px;
  height: 18px;
  margin-top: 4px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  background: var(--color-surface);
}

.status-step.done .dot,
.status-step.current .dot {
  border-color: var(--color-primary);
  background: var(--color-primary);
}

.status-step.current strong {
  color: var(--color-primary);
}

.inspector {
  display: grid;
  gap: var(--space-4);
}

.board-card,
.admin-card,
.modal-card {
  padding: var(--space-5);
}

.board-card h3,
.admin-card h3,
.modal-card h3 {
  margin: 0 0 var(--space-3);
}

.board-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

.board-column {
  min-height: 340px;
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  background: var(--color-surface-2);
}

.board-column h3 {
  display: flex;
  justify-content: space-between;
  margin: 0 0 var(--space-3);
  font-size: var(--text-base);
}

.order-card {
  background: var(--color-surface);
}

.order-card.is-highlighted {
  box-shadow: inset 0 0 0 2px var(--color-gold);
}

.card-actions {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-top: var(--space-2);
}

.split-view {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-4);
}

.admin-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--space-4);
}

.progress-list {
  display: grid;
  gap: var(--space-3);
}

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

.check {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--color-primary);
  font-weight: 700;
}

.check.pending {
  color: var(--color-muted);
  background: var(--color-surface-3);
}

.wire-list {
  display: grid;
  gap: var(--space-3);
}

.wire-row {
  min-height: 54px;
  border-radius: var(--radius-md);
  background: var(--color-surface-2);
  padding: var(--space-3);
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
}

.sr-live {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

@media (max-width: 1100px) {
  .main-grid,
  .prototype-layout,
  .split-view,
  .admin-grid {
    grid-template-columns: 1fr;
  }

  .side-panel {
    order: 2;
  }

  .phone-frame {
    margin: 0 auto;
  }

  .board-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .prototype-shell {
    width: min(100% - 20px, 1480px);
  }

  .topbar,
  .workspace-header {
    align-items: stretch;
    flex-direction: column;
  }

  .topnav {
    justify-content: flex-start;
    overflow-x: auto;
  }

  .workspace {
    padding: var(--space-3);
    min-height: auto;
  }

  .overview-grid {
    grid-template-columns: 1fr;
  }

  .phone-frame {
    max-width: 100%;
    min-height: 640px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}