/* Tokens from 시안 (RAG/Pierzainer UI 시안 (1).html): background, primary action, dimension colour. */
:root {
  --bg: #faf9f5;
  --panel: #ffffff;
  --text: #1d2733;
  --muted: #5b6878;
  --line: #d9d6cc;
  --primary: #1f5fa8;
  --dim: #4a5868;
  --warn: #8a5300;
  --error: #9b2c2c;
  --focus: 2px solid #1f5fa8;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 system-ui, 'Noto Sans KR', sans-serif;
}

h2 {
  font-size: 16px;
  margin: 0 0 10px;
}

h3 {
  font-size: 14px;
  margin: 0 0 6px;
}

h4 {
  font-size: 13px;
  margin: 12px 0 6px;
  color: var(--muted);
}

.muted {
  color: var(--muted);
}

.small {
  font-size: 12px;
}

button,
select,
input {
  font: inherit;
  min-height: 44px;
}

button:focus-visible,
select:focus-visible,
input:focus-visible,
summary:focus-visible {
  outline: var(--focus);
  outline-offset: 2px;
}

.btn {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
  color: var(--text);
  padding: 0 14px;
  cursor: pointer;
}

.btn.small {
  min-height: 44px;
  padding: 0 10px;
}

.btn.primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn[aria-pressed='true'] {
  border-color: var(--primary);
  color: var(--primary);
  font-weight: 600;
}

/* --- header ------------------------------------------------------------- */

.app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.top {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  gap: 10px;
  align-items: baseline;
}

.brand strong {
  font-size: 16px;
}

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

.step {
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--muted);
}

.step.current {
  border-color: var(--primary);
  color: var(--text);
  font-weight: 600;
}

.step em {
  font-style: normal;
  font-weight: 400;
  color: var(--muted);
  margin-left: 4px;
}

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

.status-line {
  margin: 0;
  padding: 8px 16px;
  color: var(--muted);
  font-size: 13px;
}

/* --- layout ------------------------------------------------------------- */

.grid {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr) 320px;
  gap: 12px;
  padding: 0 16px 12px;
  flex: 1;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  min-width: 0;
}

.inputs {
  margin: 0 16px 16px;
}

/* --- pier list ---------------------------------------------------------- */

.pier-tools {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.pier-tools label {
  display: flex;
  gap: 6px;
  align-items: center;
}

select {
  padding: 4px 8px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
  color: var(--text);
}

.pier-items {
  list-style: none;
  padding: 0;
  margin: 0;
  max-height: 70vh;
  overflow: auto;
}

.pier-items li {
  display: grid;
  grid-template-columns: 28px 1fr auto;
  align-items: center;
  gap: 6px;
  border-bottom: 1px solid var(--line);
  padding: 2px 0;
}

.pier-items input[type='checkbox'] {
  width: 28px;
  height: 28px;
  margin: 8px;
}

.pier-name {
  border: 0;
  background: none;
  text-align: left;
  color: var(--text);
  cursor: pointer;
  padding: 0 4px;
}

.pier-name[aria-pressed='true'] {
  color: var(--primary);
  font-weight: 700;
}

.badge {
  font-size: 12px;
  color: var(--muted);
}

.badge.error {
  color: var(--error);
  font-weight: 600;
}

/* --- viewer ------------------------------------------------------------- */

.viewer-head {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-bottom: 8px;
}

.viewer-head h2 {
  margin: 0;
}

.views {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.views .btn {
  min-width: 64px;
}

#origin {
  margin-left: auto;
  font-size: 12px;
}

.canvas {
  width: 100%;
  height: 62vh;
  min-height: 420px;
  border-radius: 6px;
  overflow: hidden;
  background: #e9eef4;
}

.parts {
  border: 1px solid var(--line);
  border-radius: 6px;
  margin: 10px 0 0;
  padding: 6px 10px;
}

.parts legend {
  color: var(--muted);
  font-size: 12px;
  padding: 0 4px;
}

.parts-row {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.parts-row label {
  display: flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  padding: 0 8px;
}

.parts-row input {
  width: 22px;
  height: 22px;
}

/* --- results ------------------------------------------------------------ */

.results section {
  border-bottom: 1px solid var(--line);
  padding-bottom: 8px;
  margin-bottom: 8px;
}

.kv {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px 8px;
  margin: 0;
}

.kv.wide {
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}

.kv div {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  border-bottom: 1px dotted var(--line);
  padding: 2px 0;
}

.kv dt {
  color: var(--muted);
}

.kv dd {
  margin: 0;
  text-align: right;
}

.issues {
  padding-left: 18px;
  margin: 0;
}

.issues li {
  margin-bottom: 6px;
}

.issues .code {
  font-weight: 700;
  color: var(--warn);
}

.issues .code.E {
  color: var(--error);
}

details {
  margin-top: 8px;
}

summary {
  cursor: pointer;
  min-height: 44px;
  display: flex;
  align-items: center;
}

/* --- import dialog (④) --------------------------------------------------- */

#import-dialog {
  width: min(1140px, 96vw);
  max-height: 92vh;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel);
  color: var(--text);
}

#import-dialog::backdrop {
  background: rgba(20, 28, 38, 0.35);
}

.dlg-head {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
}

.dlg-head h2 {
  margin: 0;
}

.dlg-steps {
  display: flex;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0;
  flex: 1;
  color: var(--muted);
  font-size: 13px;
}

.dlg-steps li {
  padding: 4px 10px;
  border-radius: 999px;
  background: #f0eee6;
}

.dlg-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 16px;
  padding: 16px;
  overflow: auto;
  max-height: 70vh;
}

.dlg-col section {
  margin-bottom: 16px;
}

.field {
  display: grid;
  gap: 4px;
  margin-bottom: 8px;
  font-size: 13px;
}

.field input {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 4px 8px;
  background: var(--panel);
  color: var(--text);
}

.drop {
  border: 2px dashed var(--line);
  border-radius: 8px;
  padding: 16px;
  text-align: center;
}

.drop.over {
  border-color: var(--primary);
}

.drop p {
  margin: 0 0 8px;
}

.drop-actions {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
}

.sheet-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sheet-list > li {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px;
  margin-bottom: 8px;
}

.sheet-list .ok {
  color: var(--primary);
  font-weight: 600;
}

.sheet-list .bad {
  color: var(--error);
  font-weight: 600;
}

.sheet-pier {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
}

.sheet-pier input {
  width: 24px;
  height: 24px;
}

.rules {
  margin: 0;
  padding-left: 18px;
  font-size: 13px;
}

table {
  border-collapse: collapse;
  width: 100%;
  font-size: 13px;
}

.terms th {
  text-align: left;
  width: 40%;
  color: var(--muted);
  font-weight: 400;
  padding: 4px 6px;
  border-bottom: 1px solid var(--line);
}

.terms td {
  padding: 4px 6px;
  border-bottom: 1px solid var(--line);
}

.grid-table th,
.grid-table td {
  border-bottom: 1px solid var(--line);
  padding: 4px 6px;
  text-align: right;
  white-space: nowrap;
}

.grid-table th {
  color: var(--muted);
  font-weight: 400;
}

.dlg-foot {
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: flex-end;
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  flex-wrap: wrap;
}

#dlg-selected {
  margin-right: auto;
}

@media (max-width: 1100px) {
  .grid {
    grid-template-columns: 1fr;
  }

  .dlg-body {
    grid-template-columns: 1fr;
  }

  .canvas {
    height: 60vh;
  }
}