:root {
  --bg: #f8f9fa;
  --surface: #ffffff;
  --border: #dadce0;
  --border-soft: #e8eaed;
  --text: #202124;
  --text-secondary: #5f6368;
  --primary: #1a73e8;
  --primary-hover: #1765cc;
  --primary-bg: #e8f0fe;
  --label: #1e8e3e;
  --label-bg: #e6f4ea;
  --label-bg-hover: #ceead6;
  --port: #f29900;
  --port-bg: #fef7e0;
  --port-bg-hover: #feefc3;
  --header-bg: #e8f0fe;
  --header-border: #4285f4;
  --shadow-1: 0 1px 2px 0 rgba(60,64,67,.08), 0 1px 3px 1px rgba(60,64,67,.06);
  --shadow-2: 0 1px 2px 0 rgba(60,64,67,.10), 0 2px 6px 2px rgba(60,64,67,.10);
  --radius: 8px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Google Sans', 'Roboto', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
}

/* Material Symbols — explicit font setup so the ligature text doesn't
   render as plain words while the font is loading or if the foundry CSS
   version diverges. */
.material-symbols-outlined {
  font-family: 'Material Symbols Outlined';
  font-weight: normal;
  font-style: normal;
  font-size: 24px;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-block;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  font-feature-settings: 'liga';
  -webkit-font-feature-settings: 'liga';
  -webkit-font-smoothing: antialiased;
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}

.appbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border-soft);
  padding: 12px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  position: sticky; top: 0; z-index: 10;
}
.appbar .logo {
  width: 32px; height: 32px;
  background: var(--primary);
  color: white;
  border-radius: 6px;
  display: grid; place-items: center;
  font-weight: 700;
}
.appbar h1 {
  margin: 0;
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0;
}
.appbar-version {
  font-size: 11px;
  color: var(--text-secondary);
  margin-left: 8px;
  opacity: 0.7;
}
.appbar .status {
  margin-left: auto;
  color: var(--text-secondary);
  font-size: 12px;
  display: flex; align-items: center; gap: 6px;
}
.appbar .status .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: #fbbc04;
  transition: background .2s;
}
.appbar .status.ready .dot { background: #34a853; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
}
.card-body { padding: 20px 24px; }
.card h2 {
  font-size: 16px;
  font-weight: 500;
  margin: 0 0 12px 0;
  color: var(--text);
}
.card .subtitle {
  font-size: 13px;
  color: var(--text-secondary);
  margin: 0 0 16px 0;
}

/* Drop zone */
.dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  transition: all .15s;
  cursor: pointer;
  background: var(--surface);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.dropzone:hover, .dropzone.dragover {
  border-color: var(--primary);
  background: var(--primary-bg);
}
.dropzone .material-symbols-outlined {
  font-size: 40px;
  color: var(--primary);
  line-height: 1;
}
.dropzone p { margin: 4px 0 0; color: var(--text-secondary); font-size: 13px; }
.dropzone .filename { color: var(--text); font-weight: 500; font-size: 14px; }
.dropzone input { display: none; }

/* Tabs */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border-soft);
  overflow-x: auto;
  padding: 0 12px;
}
.tab {
  padding: 12px 20px;
  border: none;
  background: transparent;
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all .15s;
  white-space: nowrap;
  display: flex; align-items: center; gap: 6px;
  position: relative;
}
.tab:hover { color: var(--text); background: rgba(60,64,67,.04); }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab .badge {
  font-size: 10px;
  background: var(--primary);
  color: white;
  border-radius: 10px;
  padding: 2px 6px;
  font-weight: 500;
}
.tab .check-icon {
  width: 16px; height: 16px;
  border: 1.5px solid var(--border);
  border-radius: 3px;
  display: inline-grid;
  place-items: center;
  background: var(--surface);
  color: white;
  font-size: 12px;
  transition: all .12s;
}
.tab .check-icon .material-symbols-outlined {
  font-size: 12px;
  display: none;
  font-weight: 700;
}
.tab.included .check-icon {
  background: var(--primary);
  border-color: var(--primary);
}
.tab.included .check-icon .material-symbols-outlined { display: inline; }
.tab.configured:not(.included) .check-icon { border-color: var(--label); }

/* Template card */
.template-row {
  display: flex; align-items: center; gap: 16px;
  flex-wrap: wrap; justify-content: space-between;
}
.template-info {
  display: flex; align-items: center; gap: 12px;
  font-size: 13px;
}
.template-info .badge-pill {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--primary-bg);
  color: var(--primary);
  padding: 6px 12px;
  border-radius: 16px;
  font-weight: 500;
}
.template-info .meta { color: var(--text-secondary); }
.template-info .meta .v { color: var(--text); font-weight: 500; }

/* Sheet config */
.config-row {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.field {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--text-secondary);
}
.field input[type=number],
.field select {
  padding: 6px 8px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-family: inherit;
  font-size: 14px;
  color: var(--text);
  background: var(--surface);
  height: 32px;
  line-height: 1;
}
.field input[type=number] { width: 64px; }
.field select {
  padding-right: 28px;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='%235f6368'%3e%3cpath d='M7 10l5 5 5-5z'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 6px center;
  background-size: 18px 18px;
}
.field input[type=number]:focus,
.field select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 1px var(--primary);
}
.field select:hover { border-color: var(--text-secondary); }
.hint {
  font-size: 12px;
  color: var(--text-secondary);
  background: var(--bg);
  padding: 8px 12px;
  border-radius: 4px;
  border-left: 3px solid var(--primary);
  display: flex; align-items: center; gap: 8px;
}

/* Preview table */
.preview-wrap {
  max-height: 380px;
  overflow: auto;
  border: 1px solid var(--border-soft);
  border-radius: 6px;
  background: var(--surface);
}
table.preview {
  border-collapse: separate;
  border-spacing: 0;
  font-family: 'Roboto Mono', monospace;
  font-size: 12px;
  width: max-content;
  min-width: 100%;
}
table.preview th, table.preview td {
  border-right: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
  padding: 6px 10px;
  white-space: nowrap;
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
}
/* Allow drag-selecting cell contents in the body. */
table.preview tbody td:not(.rownum) {
  user-select: text;
  -webkit-user-select: text;
  cursor: text;
}
table.preview thead th {
  position: sticky; top: 0;
  background: #f1f3f4;
  color: var(--text-secondary);
  font-weight: 500;
  z-index: 2;
  text-align: left;
}
table.preview tbody td.rownum,
table.preview thead th.rownum {
  position: sticky; left: 0;
  background: #f1f3f4;
  color: var(--text-secondary);
  font-weight: 500;
  text-align: center;
  width: 44px; min-width: 44px;
  cursor: pointer;
  user-select: none;
  z-index: 1;
}
table.preview thead th.rownum { z-index: 3; }
table.preview tbody td.rownum:hover { background: var(--primary-bg); color: var(--primary); }
table.preview tr.header-row td:not(.rownum) {
  background: var(--header-bg);
  color: var(--text);
  font-weight: 500;
  border-top: 2px solid var(--header-border);
  border-bottom: 2px solid var(--header-border);
  /* Header cells are clickable role-togglers, so disable native selection there. */
  user-select: none;
  -webkit-user-select: none;
  cursor: pointer;
}
table.preview tr.header-row td.rownum {
  background: var(--header-border);
  color: white;
}
table.preview td.col-label { background: var(--label-bg); }
table.preview td.col-port  { background: var(--port-bg); }
table.preview tr.header-row td.col-label { background: #c8e6c9; }
table.preview tr.header-row td.col-port  { background: #ffe082; }

/* Group row (paired-mode section header: A END / X-CONNECT / Z END) */
table.preview tr.group-row td:not(.rownum) {
  background: #f1f3f4;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .04em;
  border-bottom: 1px solid var(--border-soft);
}
table.preview tr.group-row td.rownum {
  background: #f1f3f4;
  color: var(--text-secondary);
}

/* Chips */
.chips-section {
  margin-top: 16px;
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 8px 16px;
  align-items: start;
}
.chips-label {
  font-size: 13px;
  color: var(--text-secondary);
  padding-top: 6px;
  display: flex; align-items: center; gap: 6px;
  font-weight: 500;
}
.chips-label .swatch {
  width: 12px; height: 12px; border-radius: 3px;
}
.chips-label .swatch.label { background: var(--label); }
.chips-label .swatch.port  { background: var(--port); }
.chips-label .swatch.skip  { background: #d93025; }
.chips-label .skip-universal {
  margin-left: 12px;
  font-size: 12px;
  font-weight: 400;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  user-select: none;
}
.chips-label .skip-universal input { margin: 0; cursor: pointer; }
.chips {
  display: flex; flex-wrap: wrap; gap: 6px;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  border-radius: 16px;
  font-family: inherit;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all .12s;
  user-select: none;
}
.chip:hover { background: var(--bg); }
.chip.active.label {
  background: var(--label-bg);
  border-color: var(--label);
  color: var(--label);
}
.chip.active.label:hover { background: var(--label-bg-hover); }
.chip.active.port {
  background: var(--port-bg);
  border-color: var(--port);
  color: #b06000;
}
.chip.active.port:hover { background: var(--port-bg-hover); }
.chip.active.skip {
  background: #fce8e6;
  border-color: #d93025;
  color: #a50e0e;
  text-decoration: line-through;
}
.chip.active.skip:hover { background: #f6cfcb; }
/* A-end / Z-end column hinting (token "A" -> green, "Z" -> yellow). */
.chip.azend-a {
  border-color: var(--label);
  color: var(--label);
}
.chip.active.azend-a {
  background: var(--label-bg);
  border-color: var(--label);
  color: var(--label);
}
.chip.active.azend-a:hover { background: var(--label-bg-hover); }
.chip.azend-z {
  border-color: #f9ab00;
  color: #7a5b00;
}
.chip.active.azend-z {
  background: #fef7e0;
  border-color: #f9ab00;
  color: #7a5b00;
}
.chip.active.azend-z:hover { background: #feefc3; }
.chip .count {
  opacity: .55;
  font-weight: 400;
  font-family: 'Roboto Mono', monospace;
  font-size: 11px;
}
.chip .check { font-size: 14px; line-height: 1; }
.chip:not(.active) .check { display: none; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border: none;
  border-radius: 20px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all .15s;
  background: transparent;
  color: var(--primary);
}
.btn:hover { background: var(--primary-bg); }
.btn:disabled, .btn[disabled] { opacity: 0.4; cursor: not-allowed; pointer-events: none; }
.btn-filled {
  background: var(--primary);
  color: white;
  box-shadow: var(--shadow-1);
}
.btn-filled:hover { background: var(--primary-hover); box-shadow: var(--shadow-2); }
.btn-filled:disabled { background: var(--border); color: var(--text-secondary); cursor: not-allowed; box-shadow: none; }
.btn-text { padding: 8px 12px; }
.btn .material-symbols-outlined { font-size: 18px; }

.auto-select-panel {
  margin-top: 8px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow-1);
  min-width: 240px;
}
.auto-select-title { font-weight: 600; font-size: 13px; margin-bottom: 8px; color: var(--text); }
.auto-select-sheets { display: flex; flex-direction: column; gap: 4px; max-height: 200px; overflow-y: auto; margin-bottom: 10px; }
.auto-select-row { display: flex; align-items: center; gap: 8px; font-size: 13px; cursor: pointer; padding: 2px 0; }
.auto-select-row input { margin: 0; }
.auto-select-actions { display: flex; gap: 6px; justify-content: flex-end; }

.actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* Output */
.output-table {
  border-collapse: separate;
  border-spacing: 0;
  width: 100%;
  font-size: 13px;
  margin-top: 12px;
}
.output-table th, .output-table td {
  text-align: left;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-soft);
}
.output-table thead th {
  background: var(--bg);
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .03em;
}
.output-table tbody tr:hover { background: var(--bg); }
.output-table td:first-child { font-family: 'Roboto Mono', monospace; color: var(--primary); }
.output-table td:nth-child(2) { font-family: 'Roboto Mono', monospace; }
.output-wrap { max-height: 360px; overflow: auto; border: 1px solid var(--border-soft); border-radius: 6px; }

textarea.csv {
  width: 100%;
  min-height: 120px;
  font-family: 'Roboto Mono', monospace;
  font-size: 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px;
  resize: vertical;
  margin-top: 12px;
}
textarea.csv:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 1px var(--primary); }

/* PDF preview */
.pdf-preview {
  margin-top: 16px;
  border: 1px solid var(--border-soft);
  border-radius: 6px;
  overflow: hidden;
  background: var(--bg);
}
.pdf-preview iframe {
  width: 100%;
  height: 520px;
  border: 0;
  display: block;
  background: #525659;
}

.empty {
  text-align: center;
  color: var(--text-secondary);
  padding: 32px 16px;
  font-size: 13px;
}

.summary {
  display: flex; gap: 16px; flex-wrap: wrap;
  margin-top: 12px;
  font-size: 12px;
  color: var(--text-secondary);
}
.summary-item .v { color: var(--text); font-weight: 500; }

.toast {
  position: fixed;
  bottom: 24px; left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: #323232;
  color: white;
  padding: 12px 20px;
  border-radius: 4px;
  box-shadow: var(--shadow-2);
  font-size: 13px;
  opacity: 0;
  transition: all .25s;
  pointer-events: none;
  z-index: 100;
}
.toast.show { transform: translateX(-50%) translateY(0); opacity: 1; }

/* Global port order section */
.global-port-section {
  border-top: 1px solid var(--border-soft);
  padding: 16px 24px 20px;
}
.global-port-header {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Port drag-and-drop list */
.port-drag-list {
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin-bottom: 4px;
}
.port-drag-empty {
  font-size: 12px;
  color: var(--text-secondary);
  padding: 6px 2px;
  font-style: italic;
}
.port-drag-row {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--port-bg);
  border: 1px solid var(--port);
  border-radius: 6px;
  padding: 5px 8px 5px 4px;
  cursor: grab;
  user-select: none;
  transition: background .12s, box-shadow .12s, opacity .12s;
}
.port-drag-row:hover { background: #fde8c8; box-shadow: 0 1px 4px rgba(0,0,0,.08); }
.port-drag-row.dragging { opacity: .45; cursor: grabbing; }
.port-drag-row.drag-over {
  border-color: #c07000;
  box-shadow: 0 0 0 2px rgba(192,112,0,.25);
  background: #fde8c8;
}
.port-drag-handle {
  color: #c09060;
  display: flex;
  align-items: center;
  font-size: 18px;
  flex-shrink: 0;
}
.port-drag-handle .material-symbols-outlined { font-size: 18px; }
.port-drag-index {
  font-size: 11px;
  font-weight: 700;
  color: #a06820;
  min-width: 14px;
  text-align: right;
  flex-shrink: 0;
}
.port-drag-name {
  flex: 1;
  font-size: 12px;
  font-weight: 500;
  color: #7a4800;
}
.port-drag-remove {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px; height: 20px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  border-radius: 50%;
  color: #c09060;
  transition: background .12s, color .12s;
  font-family: inherit;
  flex-shrink: 0;
}
.port-drag-remove .material-symbols-outlined { font-size: 14px; }
.port-drag-remove:hover { background: rgba(0,0,0,.1); color: #7a4800; }
.port-drag-move {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px; height: 20px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  border-radius: 50%;
  color: #c09060;
  transition: background .12s, color .12s;
  font-family: inherit;
  flex-shrink: 0;
}
.port-drag-move .material-symbols-outlined { font-size: 14px; }
.port-drag-move:hover { background: rgba(0,0,0,.1); color: #7a4800; }
.port-section-label {
  font-size: 11px;
  color: var(--text-secondary);
  margin: 10px 0 4px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
}
.port-section-deferred {
  margin-top: 14px;
  padding-top: 10px;
  border-top: 1px dashed var(--border);
}
.port-avail-label {
  font-size: 11px;
  color: var(--text-secondary);
  margin: 10px 0 5px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .04em;
}

.hidden { display: none !important; }