:root {
  --bg: #0f0f0f;
  --surface: #1a1a1a;
  --surface2: #242424;
  --border: #2e2e2e;
  --accent: #e8ff47;
  --accent2: #47c8ff;
  --text: #f0f0f0;
  --muted: #888;
  --r: 12px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: "DM Sans", sans-serif;
  min-height: 100vh;
  padding: 28px 24px;
}

header {
  text-align: center;
  margin-bottom: 32px;
}

header h1 {
  font-family: "Syne", sans-serif;
  font-weight: 800;
  font-size: clamp(1.8rem, 4vw, 3rem);
  letter-spacing: -0.03em;
}

header h1 span { color: var(--accent); }

header p {
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.85rem;
  font-family: "DM Mono", monospace;
}

/* Layout */
.layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 20px;
  max-width: 1300px;
  margin: 0 auto;
  align-items: start;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 20px;
}

.ptitle {
  font-family: "DM Mono", monospace;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--muted);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.badge {
  background: var(--accent);
  color: #111;
  font-family: "DM Mono", monospace;
  font-size: 0.62rem;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 20px;
}

.badge.warn {
  background: #ff6b6b;
  color: #fff;
}

/* Search */
.search {
  display: flex;
  align-items: center;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 12px;
  gap: 8px;
  margin-bottom: 12px;
}

.search input {
  background: none;
  border: none;
  outline: none;
  color: var(--text);
  font-family: "DM Sans", sans-serif;
  font-size: 0.9rem;
  width: 100%;
}

.search input::placeholder { color: var(--muted); }

/* Filter row */
.filter-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

/* Type filter tabs (Cable / Port) */
.type-tabs {
  display: flex;
  gap: 6px;
  flex: 1;
}

.type-tab {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 5px 14px;
  font-family: "DM Mono", monospace;
  font-size: 0.68rem;
  color: var(--muted);
  cursor: pointer;
  transition: all 0.1s;
  letter-spacing: 0.06em;
}

.type-tab:hover,
.type-tab.active {
  border-color: var(--accent2);
  color: var(--accent2);
  background: #0d1e2a;
}

/* Mono toggle button */
.mono-toggle {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 5px 12px;
  font-family: "DM Mono", monospace;
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  transition: all 0.15s;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.mono-toggle:hover {
  border-color: var(--text);
  color: var(--text);
}

.mono-toggle.active {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
}

/* Category tabs */
.cat-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}

.cat-tab {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 10px;
  font-family: "DM Mono", monospace;
  font-size: 0.62rem;
  color: var(--muted);
  cursor: pointer;
  transition: all 0.1s;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.cat-tab:hover,
.cat-tab.active {
  border-color: var(--accent);
  color: var(--accent);
  background: #1e2200;
}

/* Connector grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: 8px;
}

.card {
  background: var(--surface2);
  border: 1.5px solid var(--border);
  border-radius: 10px;
  padding: 8px 6px 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: all 0.15s;
  text-align: center;
  position: relative;
}

.card:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}

.card.sel {
  border-color: var(--accent);
  background: #1e2200;
}

.card.sel::after {
  content: attr(data-n);
  position: absolute;
  top: 4px;
  right: 4px;
  background: var(--accent);
  color: #111;
  font-family: "DM Mono", monospace;
  font-size: 0.55rem;
  font-weight: 700;
  min-width: 18px;
  height: 16px;
  border-radius: 8px;
  padding: 0 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 16px;
}

.card.full {
  opacity: 0.4;
  cursor: not-allowed;
}

.card .thumb {
  width: 90px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card .thumb svg,
.card .thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.card .cname {
  font-family: "DM Mono", monospace;
  font-size: 0.56rem;
  color: var(--muted);
  line-height: 1.3;
}

.card.sel .cname { color: var(--accent); }

.ctype {
  font-family: "DM Mono", monospace;
  font-size: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 1px 6px;
  border-radius: 3px;
  line-height: 1.4;
}

.ctype-cable {
  color: var(--accent);
  background: rgba(232, 255, 71, 0.1);
}

.ctype-port {
  color: var(--accent2);
  background: rgba(71, 200, 255, 0.1);
}

/* Right panel */
.rpanel {
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: sticky;
  top: 20px;
}

label.fl {
  font-family: "DM Mono", monospace;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  display: block;
  margin-bottom: 6px;
}

input[type=text] {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 11px;
  color: var(--text);
  font-family: "DM Sans", sans-serif;
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.15s;
}

input[type=text]:focus { border-color: var(--accent2); }

/* Layout preview slots */
.slots {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
  margin-top: 4px;
}

.slot {
  background: var(--surface2);
  border: 1px dashed var(--border);
  border-radius: 4px;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.4rem;
  color: #444;
  overflow: hidden;
  position: relative;
}

.slot.filled {
  background: #1e2200;
  border-color: var(--accent);
  border-style: solid;
}

.slot.filled svg,
.slot.filled img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.slot:hover .rm { display: flex; }

.rm {
  display: none;
  position: absolute;
  inset: 0;
  background: rgba(180, 0, 0, 0.88);
  color: #fff;
  font-size: 1rem;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border-radius: 3px;
}

/* Buttons */
.btn {
  width: 100%;
  padding: 12px;
  border: none;
  border-radius: 8px;
  font-family: "DM Mono", monospace;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all 0.15s;
  text-transform: uppercase;
}

.btn-p {
  background: var(--accent);
  color: #111;
  font-weight: 600;
}

.btn-p:hover {
  background: #d4e83d;
  transform: translateY(-1px);
}

.btn-s {
  background: var(--surface2);
  color: var(--text);
  border: 1px solid var(--border);
  margin-bottom: 8px;
}

.btn-s:hover {
  border-color: var(--accent2);
  color: var(--accent2);
}

/* Format selector */
.format-option {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  margin-bottom: 6px;
  cursor: pointer;
  transition: all 0.15s;
}

.format-option:last-child {
  margin-bottom: 0;
}

.format-option:hover {
  border-color: var(--accent);
}

.format-option.active {
  border-color: var(--accent);
  background: #1e2200;
}

.format-name {
  font-family: "DM Mono", monospace;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 2px;
}

.format-option.active .format-name {
  color: var(--accent);
}

.format-desc {
  font-family: "DM Mono", monospace;
  font-size: 0.58rem;
  color: var(--muted);
}

/* Grid size controls */
.grid-size-row {
  display: flex;
  align-items: flex-end;
  gap: 10px;
}

.grid-size-field {
  flex: 1;
}

.grid-size-field input[type="number"] {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  color: var(--text);
  font-family: "DM Mono", monospace;
  font-size: 0.9rem;
  text-align: center;
  outline: none;
  transition: border-color 0.15s;
  -moz-appearance: textfield;
}

.grid-size-field input[type="number"]::-webkit-inner-spin-button,
.grid-size-field input[type="number"]::-webkit-outer-spin-button {
  opacity: 1;
}

.grid-size-field input[type="number"]:focus {
  border-color: var(--accent2);
}

.grid-size-x {
  font-family: "DM Mono", monospace;
  font-size: 1rem;
  color: var(--muted);
  padding-bottom: 8px;
}

.grid-size-total {
  text-align: center;
  min-width: 50px;
}

.grid-size-count {
  font-family: "DM Mono", monospace;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
  display: block;
  padding: 8px 0;
}

/* Print options */
.print-options {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: "DM Mono", monospace;
  font-size: 0.65rem;
  color: var(--muted);
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.checkbox-label input[type="checkbox"] {
  accent-color: var(--accent);
  width: 14px;
  height: 14px;
}

/* Footer credit */
.credit {
  text-align: center;
  margin-top: 20px;
  font-family: "DM Mono", monospace;
  font-size: 0.65rem;
  color: var(--muted);
}

.credit a {
  color: var(--muted);
  text-decoration: underline;
}

/* Print styles */
@media print {
  * {
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
  body { background: white; padding: 0; margin: 0; }
  .layout, header, .credit { display: none !important; }
  #psheet { display: block !important; }
  /* @page size is injected dynamically by app.js */
}

#psheet { display: none; }

.pcard {
  background: #fff;
  display: flex;
  flex-direction: column;
  /* width, height, padding set dynamically */
}

.ptitle-print {
  font-family: "Syne", sans-serif;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #111;
  text-align: center;
  margin-bottom: 0.07in;
  border-bottom: 1.5pt solid #111;
  padding-bottom: 0.05in;
  /* font-size set dynamically */
}

.pgrid {
  display: grid;
  flex: 1;
  min-height: 0;
  /* columns, rows, gap set dynamically */
}

.pcell {
  border: 0.5pt solid #ddd;
  border-radius: 3pt;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: #fff;
  padding: 2pt 1pt 1pt;
}

.pcell svg,
.pcell img {
  flex: 1;
  width: 100%;
  min-height: 0;
  object-fit: contain;
}

.pcell .pname {
  font-size: 5pt;
  color: #333;
  text-align: center;
  line-height: 1.2;
  font-weight: 500;
  font-family: "DM Mono", monospace;
  flex-shrink: 0;
  padding-top: 1pt;
}

.pcell.empty {
  background: #f9f9f9;
  border-style: dashed;
}