/* Shared design tokens; legacy names remain aliases for existing page scripts. */
:root {
  color-scheme: light;
  --bg: #f6f3ee;
  --text: #24201c;
  --muted: #71695f;
  --border: rgba(94,77,51,.16);
  --primary: #f2a64b;
  --on-primary: #30200c;
  --accent: #92560c;
  --secondary: #71695f;
  --success: #16764d;
  --danger: #bd3434;
  --warning: #99620c;
  --card: rgba(255,255,255,.76);
  --mc-surface: rgba(255,255,255,.62);
  --mc-surface-strong: rgba(255,253,249,.94);
  --mc-control: rgba(255,255,255,.78);
  --mc-surface-hover: rgba(255,255,255,.92);
  --mc-glass-border: rgba(255,255,255,.82);
  --mc-accent-soft: rgba(242,166,75,.16);
  --mc-accent-border: rgba(169,106,25,.32);
  --mc-accent-glow: rgba(242,166,75,.25);
  --mc-focus: rgba(169,106,25,.32);
  --mc-success-soft: #e6f4ec;
  --mc-danger-soft: #fceaea;
  --mc-warning-soft: #fff1d8;
  --row-even: rgba(132,109,77,.035);
  --row-odd: transparent;
  --row-hover: rgba(242,166,75,.1);
  --mc-paper: #faf8f4;
  --mc-viewer-bg: #eeebe5;
  --mc-backdrop-light: url('../img/backgrounds/technical-circuits-light-v1.webp'),radial-gradient(ellipse at 5% 4%,rgba(242,166,75,.3),transparent 55%),radial-gradient(ellipse at 95% 48%,rgba(71,202,199,.24),transparent 55%);
  --mc-backdrop-dark: url('../img/backgrounds/technical-circuits-dark-v1.webp'),radial-gradient(ellipse at 5% 0%,rgba(173,102,28,.24),transparent 55%),radial-gradient(ellipse at 100% 55%,rgba(0,134,143,.22),transparent 55%);
  --mc-backdrop: var(--mc-backdrop-light);
  --mc-radius-card: 16px;
  --mc-radius-control: 8px;
  --mc-radius-item: 10px;
  --mc-shadow-card: 0 16px 44px -24px rgba(65,45,18,.21),inset 0 1px 0 rgba(255,255,255,.5);
  --mc-shadow-float: 0 20px 60px -22px rgba(65,45,18,.24);
  --mc-font-sans: "Segoe UI Variable","Segoe UI",system-ui,-apple-system,BlinkMacSystemFont,Roboto,"Helvetica Neue",Arial,sans-serif;
  --mc-font-mono: "Cascadia Mono","Cascadia Code","SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
  --mc-sidebar-width: 64px;
  --mc-page-gutter: 16px;
  --mc-ease: cubic-bezier(.22,1,.36,1);
  --mc-content-max: none;
  --mc-control-height: 32px;
  --mc-panel-space: 14px;
  --mc-layout-gap: 12px;
}
html.dark {
  color-scheme: dark;
  --bg: #141416;
  --text: #f5f2eb;
  --muted: #b9b2a6;
  --border: rgba(233,218,193,.15);
  --primary: #ffb866;
  --on-primary: #30200c;
  --accent: #ffbd70;
  --secondary: #b9b2a6;
  --success: #7bd8ad;
  --danger: #ff9999;
  --warning: #ffca7c;
  --card: rgba(44,43,42,.74);
  --mc-surface: rgba(43,42,41,.64);
  --mc-surface-strong: rgba(36,35,35,.95);
  --mc-control: rgba(55,53,50,.88);
  --mc-surface-hover: rgba(67,62,55,.88);
  --mc-glass-border: rgba(255,239,213,.13);
  --mc-accent-soft: rgba(255,184,102,.13);
  --mc-accent-border: rgba(255,184,102,.36);
  --mc-accent-glow: rgba(223,139,40,.13);
  --mc-focus: rgba(255,184,102,.36);
  --mc-success-soft: #213b30;
  --mc-danger-soft: #48292b;
  --mc-warning-soft: #44351f;
  --row-even: rgba(255,255,255,.025);
  --row-hover: rgba(255,184,102,.08);
  --mc-paper: #202123;
  --mc-viewer-bg: #202123;
  --mc-backdrop: var(--mc-backdrop-dark);
  --mc-shadow-card: 0 18px 46px -22px rgba(0,0,0,.48),inset 0 1px 0 rgba(255,245,222,.035);
  --mc-shadow-float: 0 24px 64px -18px rgba(0,0,0,.5);
}
* {
  box-sizing: border-box;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
html {
  min-height: 100%;
  scroll-padding-top: 16px;
}
body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--mc-font-sans);
  font-size: 13px;
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
button,input,select,textarea {
  font: inherit;
  color: inherit;
}
button,a,input,select,textarea {
  -webkit-tap-highlight-color: transparent;
}
button,select,summary {
  cursor: pointer;
}
button:disabled {
  cursor: not-allowed;
  opacity: .5;
}
button {
  border: 0;
}
img,svg,canvas {
  max-width: 100%;
}
img {
  height: auto;
}
code,kbd,pre,samp,.kbd,.font-mono {
  font-family: var(--mc-font-mono);
}
a {
  color: var(--accent);
  text-decoration: none;
}
a:hover {
  text-decoration: none;
}
h1,h2,h3,h4 {
  color: var(--text);
  line-height: 1.25;
  letter-spacing: -.025em;
}
h1 {
  font-size: clamp(1.3rem,2vw,1.9rem);
  font-weight: 650;
}
h2 {
  font-size: 1rem;
  font-weight: 650;
}
p {
  overflow-wrap: break-word;
}
:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}
[hidden],.hidden {
  display: none!important;
}
.border,.border-b,.border-t {
  border-color: var(--border);
}
input[type=checkbox],input[type=radio],input[type=range] {
  accent-color: var(--accent);
}
::selection {
  color: var(--text);
  background: var(--mc-accent-glow);
}
.page {
  max-width: none;
  margin: auto;
  padding: 14px;
}
.header,.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.container {
  display: grid;
  grid-template-columns: minmax(0,1fr) 360px;
  gap: 12px;
}
.card,.glass {
  background: var(--card);
  border: 1px solid var(--mc-glass-border);
  border-radius: var(--mc-radius-card);
  box-shadow: var(--mc-shadow-card);
  backdrop-filter: blur(20px) saturate(115%);
  -webkit-backdrop-filter: blur(20px) saturate(115%);
}
.card {
  padding: var(--mc-panel-space);
  margin-bottom: 12px;
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
}
.btn,.btn-primary,.btn-secondary,.btn-danger,.btn-success,.btn-save,.btn-export {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: var(--mc-control-height);
  padding: 6px 10px;
  border: 1px solid transparent;
  border-radius: var(--mc-radius-control);
  background: var(--primary);
  color: var(--on-primary);
  font-weight: 650;
  line-height: 1.3;
  text-decoration: none;
  transition: transform 200ms var(--mc-ease),background 200ms,border-color 200ms,box-shadow 200ms;
  font-size: .8125rem;
}
.btn:hover,.btn-primary:hover,.btn-save:hover {
  box-shadow: 0 8px 24px var(--mc-accent-glow);
  transform: translateY(-2px) scale(1.02);
}
.btn-secondary,.btn.ghost,.btn.gray,.btn-ghost,.btn-export {
  background: var(--mc-control);
  color: var(--text);
  border-color: var(--border);
}
.btn-danger,.btn.btn-danger {
  background: var(--mc-danger-soft);
  color: var(--danger);
  border-color: transparent;
}
.btn-success,.btn.btn-success {
  background: var(--mc-success-soft);
  color: var(--success);
}
.input,.select,:where(input:not([type=checkbox]):not([type=radio]):not([type=range]):not([type=color]):not([type=hidden])),select,textarea {
  min-width: 0;
  min-height: var(--mc-control-height);
  max-width: 100%;
  padding: 6px 9px;
  background: var(--mc-control);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--mc-radius-control);
  outline: none;
  transition: border-color 180ms,box-shadow 180ms;
  font-size: .8125rem;
  line-height: 1.3;
}
.input {
  width: 100%;
}
textarea {
  width: 100%;
  resize: vertical;
}
input::placeholder,textarea::placeholder {
  color: var(--muted);
  opacity: .85;
}
input:focus,select:focus,textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--mc-focus);
}
select option {
  background: var(--bg);
  color: var(--text);
}
.field-label {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: .75rem;
  font-weight: 600;
}
.readonly-box {
  padding: 6px 9px;
  min-height: 32px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--mc-control);
}
.badge,.pill,.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 7px;
  border-radius: 999px;
  background: var(--mc-accent-soft);
  color: var(--accent);
  font-size: .75rem;
  font-weight: 600;
}
.num,[id*=price],[id*=height],.mc-count-badge {
  font-variant-numeric: tabular-nums;
}
.num {
  text-align: right;
}
table {
  border-collapse: separate;
  border-spacing: 0;
  color: var(--text);
}
.table,.tbl,.mc-data-table {
  width: 100%;
}
th {
  color: var(--muted);
  font-size: .67rem;
  font-weight: 650;
  letter-spacing: .05em;
  text-transform: uppercase;
  text-align: left;
}
th,td {
  padding: 5px 8px;
  border-bottom: 1px solid var(--border);
}
thead th {
  background: var(--mc-surface-strong);
}
tbody tr:nth-child(even) {
  background: var(--row-even);
}
tbody tr:hover {
  background: var(--row-hover);
}
tfoot td {
  font-weight: 650;
  background: var(--mc-accent-soft);
}
.table-wrap,.mc-table-wrap {
  width: 100%;
  overflow: auto;
  -webkit-overflow-scrolling: touch;
}
.status {
  font-size: .85rem;
  font-weight: 600;
}
.kbd {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2px 5px;
  background: var(--mc-control);
  font-size: .75rem;
}
#assembly-canvas {
  max-width: 100%;
  height: auto;
  background: var(--mc-paper);
  border: 1px solid var(--border);
  border-radius: 16px;
}
html.theme-changing,html.theme-changing body,html.theme-changing :is(.card,.glass,.mc-sidebar,input,select,textarea,button) {
  transition: background-color 300ms,color 300ms,border-color 300ms,box-shadow 300ms;
}
@media(max-width:1200px) {
  .container {
    grid-template-columns: minmax(0,1fr);
  }
}
/* Editing tables use short rows; touch screens keep generous targets. */
:is(.table,.tbl,.mc-data-table,.price-table) :is(th,td) {
  padding: 4px 8px;
}
:is(.table,.tbl,.mc-data-table,.price-table) :is(.input,.select,select,button) {
  min-height: 28px;
  padding: 4px 7px;
  font-size: .75rem;
}
@media(max-width:1023px) {
  :root {
    --mc-control-height: 40px;
  }
  button:not(.mc-menu-tooltip),.input,.select,:where(input:not([type=checkbox]):not([type=radio]):not([type=range]):not([type=color]):not([type=hidden])),select,textarea {
    min-height: 40px;
  }
  :is(.table,.tbl,.mc-data-table,.price-table) :is(.input,.select,select,button) {
    min-height: 40px;
    padding: 7px 9px;
  }
  th,td {
    padding: 7px 8px;
  }
  :is(.table,.tbl,.mc-data-table,.price-table) :is(th,td) {
    padding: 7px 8px;
  }
}