:root {
  --bg: #f6f8fb;
  --panel: #ffffff;
  --line: #dbe3ee;
  --text: #172033;
  --muted: #64748b;
  --accent: #0f766e;
  --accent-strong: #0b5d57;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", sans-serif;
}

.shell-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 22px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}

.shell-header img {
  width: 52px;
  height: 52px;
}

.shell-header h1 {
  margin: 0;
  font-size: 30px;
}

.shell-header p {
  margin: 2px 0 0;
  color: var(--muted);
}

.status {
  margin-left: auto;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
}

.status.ready {
  color: var(--accent);
  border-color: #99d6cd;
}

.header-actions {
  margin-left: auto;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
}

.language-buttons {
  display: flex;
  align-items: center;
  gap: 8px;
}

.language-buttons button {
  width: 44px;
  height: 34px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: none;
}

.language-buttons button:hover {
  background: #f8fafc;
}

.language-buttons button.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgb(15 118 110 / 15%);
}

.language-buttons img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 5px;
  display: block;
}

.about-button {
  width: 100%;
  min-width: 150px;
  padding: 8px 14px;
  background: #172033;
}

.about-button:hover {
  background: #0f172a;
}

.layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(320px, 1fr));
  gap: 14px;
  padding: 16px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
  box-shadow: 0 8px 28px rgb(15 23 42 / 6%);
}

.panel h2 {
  margin: 0 0 14px;
  font-size: 17px;
}

label {
  display: block;
  margin: 10px 0;
  color: var(--muted);
}

input,
textarea {
  width: 100%;
  margin-top: 6px;
}

textarea {
  min-height: 170px;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  font: 13px Consolas, monospace;
}

button {
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: white;
  padding: 10px 14px;
  cursor: pointer;
  font-weight: 600;
}

button:hover {
  background: var(--accent-strong);
}

button:disabled {
  cursor: not-allowed;
  background: #9ca3af;
}

.actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

.log-panel {
  grid-column: 1 / -1;
}

.doctor-panel {
  grid-column: 1 / -1;
}

.doctor-launcher {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.doctor-launcher p {
  margin: -6px 0 0;
  color: var(--muted);
}

.module-launcher {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.module-launcher h2 {
  display: flex;
  align-items: center;
  gap: 8px;
}

.module-launcher h2 img {
  width: 24px;
  height: 24px;
}

.module-launcher p {
  margin: -6px 0 0;
  color: var(--muted);
}

.module-grid {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(2, minmax(320px, 1fr));
  gap: 14px;
}

.module-grid.collapsed {
  display: none;
}

.doctor-panel.collapsed {
  display: none;
}

.doctor-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.doctor-toolbar h2 {
  margin-right: 12px;
}

.doctor-toolbar select {
  min-width: 220px;
  margin-left: auto;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

#xml-line-label {
  color: var(--muted);
  white-space: nowrap;
}

.file-button {
  width: auto;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 12px;
  color: var(--text);
  cursor: pointer;
  background: #fff;
}

.doctor-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(340px, 0.75fr);
  gap: 12px;
  min-height: 520px;
}

.code-shell {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  background: #fff;
  height: 520px;
  min-height: 520px;
  max-height: 520px;
}

.line-numbers {
  padding: 10px 6px;
  background: #f8fafc;
  color: #64748b;
  font: 13px/1.45 Consolas, monospace;
  user-select: none;
  overflow: hidden;
}

.line-row {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  height: 18.85px;
  line-height: 18.85px;
}

.line-row .dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  display: inline-block;
  opacity: 0;
}

.line-row.error .dot {
  background: #ef4444;
  opacity: 1;
}

.line-row.warning .dot {
  background: #f59e0b;
  opacity: 1;
}

#xml-code,
#py-code {
  min-height: 0;
  height: 520px;
  margin: 0;
  border: 0;
  border-radius: 0;
  outline: 0;
  line-height: 1.45;
  white-space: pre;
  overflow: auto;
}

.editor-wrap {
  position: relative;
  height: 520px;
  overflow: hidden;
  background: #fff;
}

#xml-highlight,
#xml-code,
#py-highlight,
#py-code {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  padding: 10px;
  font: 13px/1.45 Consolas, monospace;
  tab-size: 4;
}

#xml-highlight,
#py-highlight {
  margin: 0;
  color: #111827;
  pointer-events: none;
  overflow: hidden;
  white-space: pre;
}

.code-line {
  height: 18.85px;
  line-height: 18.85px;
  min-width: max-content;
}

.code-line.error {
  background: #fee2e2;
}

.code-line.warning {
  background: #fef3c7;
}

#xml-code,
#py-code {
  color: transparent;
  caret-color: #0f766e;
  background: transparent;
  resize: none;
}

#xml-code::selection,
#py-code::selection {
  background: rgb(147 197 253 / 55%);
}

.tok-keyword {
  color: #0000ff;
  font-weight: 700;
}

.tok-string {
  color: #008000;
}

.tok-py-string {
  color: #00a000;
}

.tok-op-red {
  color: #ff0000;
  font-weight: 700;
}

.tok-variable {
  color: #000;
  font-style: italic;
}

.tok-plain {
  color: #000;
}

.doctor-side {
  display: flex;
  flex-direction: column;
  min-height: 560px;
}

.doctor-side h3 {
  margin: 0 0 8px;
  font-size: 14px;
}

.summary-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 14px;
}

.summary {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px;
  background: #fff;
  display: grid;
  grid-template-columns: 28px 1fr;
  align-items: center;
  column-gap: 8px;
}

.summary strong {
  display: block;
  font-size: 24px;
}

.summary span {
  color: var(--muted);
  font-size: 12px;
  grid-column: 2;
}

.summary img {
  width: 24px;
  height: 24px;
  grid-row: 1 / span 2;
}

.summary.error strong {
  color: #ef4444;
}

.summary.warning strong {
  color: #f59e0b;
}

.summary.info strong {
  color: #3b82f6;
}

.problem-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  display: block;
  max-height: 230px;
  overflow-y: auto;
  margin-bottom: 14px;
}

.problem-table thead,
.problem-table tbody,
.problem-table tr {
  display: table;
  width: 100%;
  table-layout: fixed;
}

.problem-table th,
.problem-table td {
  border-bottom: 1px solid #edf2f7;
  padding: 8px;
  font-size: 12px;
  text-align: left;
}

.problem-table th:nth-child(1),
.problem-table td:nth-child(1) {
  width: 70px;
}

.problem-table th:nth-child(2),
.problem-table td:nth-child(2) {
  width: 55px;
}

.problem-table tr {
  cursor: pointer;
}

.problem-table tr:hover {
  background: #f8fafc;
}

.problem-table tr.ERROR {
  color: #dc2626;
  font-weight: 700;
}

.problem-table tr.WARNING {
  color: #ca8a04;
  font-weight: 700;
  background: #fffbeb;
}

.problem-table tr.INFO {
  color: #2563eb;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgb(15 23 42 / 48%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 20;
}

.modal {
  width: min(720px, calc(100vw - 28px));
  max-height: min(720px, calc(100vh - 28px));
  overflow: auto;
  background: #fff;
  border-radius: 14px;
  box-shadow: 0 24px 80px rgb(15 23 42 / 35%);
  padding: 18px;
}

.modal h2 {
  margin-top: 0;
}

.about-modal {
  width: min(920px, calc(100vw - 28px));
}

.about-modal h3 {
  margin: 18px 0 8px;
  color: #0f172a;
}

.about-modal p,
.about-modal li {
  line-height: 1.55;
}

.about-modal ul {
  padding-left: 22px;
}

.about-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 10px;
}

.about-links a {
  padding: 8px 12px;
  border-radius: 999px;
  background: #ecfdf5;
  color: var(--accent);
  font-weight: 700;
  text-decoration: none;
}

.about-disclaimer {
  margin-top: 16px;
  padding: 12px;
  border: 1px solid #fed7aa;
  border-radius: 10px;
  background: #fff7ed;
}

.resolver-item {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px;
  margin: 10px 0;
}

.resolver-item strong {
  display: block;
  margin-bottom: 8px;
}

.resolver-option {
  display: grid;
  grid-template-columns: 22px 1fr;
  align-items: center;
  gap: 10px;
  margin: 8px 0;
  color: var(--text);
}

.resolver-option input {
  width: 16px;
  height: 16px;
  margin: 0;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 14px;
}

.mini-log {
  flex: 1;
  min-height: 150px;
  overflow: auto;
  margin: 0;
  padding: 10px;
  border-radius: 8px;
  background: #0f172a;
  color: #d1fae5;
  font: 12px Consolas, monospace;
}

#log {
  min-height: 180px;
  max-height: 320px;
  overflow: auto;
  padding: 12px;
  background: #0f172a;
  color: #d1fae5;
  border-radius: 8px;
  font: 13px Consolas, monospace;
}

@media (max-width: 860px) {
  .layout {
    grid-template-columns: 1fr;
  }

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

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