:root {
  --bg: #eef3fa;
  --surface: #ffffff;
  --surface-soft: #f8fbff;
  --text: #0f1f34;
  --muted: #52637d;
  --border: #d7e1ed;
  --primary: #0d6efd;
  --primary-dark: #0a4fb4;
  --warn-bg: #fff4df;
  --warn-border: #efcd91;
  --warn-text: #7a4b00;
  --info-bg: #ecf6ff;
  --info-border: #bddbf8;
  --info-text: #174f82;
  --app-shell-max: 1300px;
  --rail-divider-color: #e5e7eb;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", "Noto Sans", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top right, #e1ebff 0%, var(--bg) 58%);
}

.hero {
  text-align: center;
  padding-block: 2rem 1rem;
}

.hero h1 {
  margin: 0;
  font-size: 2rem;
}

.hero p {
  margin: 0.55rem auto 0;
  max-width: 900px;
  color: var(--muted);
}

.layout {
  margin: 1rem auto 2rem;
}

.main-column {
  display: grid;
  gap: 1rem;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
}

.panel h2,
.panel h3 {
  margin: 0;
}

.panel-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.7rem;
}

.panel-head .sub {
  color: var(--muted);
  font-size: 0.85rem;
}

.control-panel {
  display: grid;
  gap: 0.75rem;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
}

button,
.tab-btn {
  border: none;
  border-radius: 8px;
  padding: 0.62rem 0.9rem;
  color: #fff;
  background: var(--primary);
  cursor: pointer;
  font-weight: 600;
  font: inherit;
}

button:hover:not(:disabled),
.tab-btn:hover:not(:disabled) {
  background: var(--primary-dark);
}

button.secondary {
  background: #1f344e;
}

button.secondary:hover:not(:disabled) {
  background: #16263a;
}

button.ghost {
  border: 1px solid #b7c7dd;
  background: #fff;
  color: #22354f;
}

button.ghost:hover:not(:disabled) {
  background: #f5f8fc;
}

button:disabled,
.tab-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.banner-row {
  display: grid;
  gap: 0.45rem;
}

.banner {
  border-radius: 10px;
  padding: 0.55rem 0.72rem;
  font-size: 0.82rem;
  line-height: 1.4;
}

.banner.warn {
  background: var(--warn-bg);
  border: 1px solid var(--warn-border);
  color: var(--warn-text);
}

.banner.info {
  background: var(--info-bg);
  border: 1px solid var(--info-border);
  color: var(--info-text);
}

.tab-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.tab-btn {
  padding: 0.52rem 0.8rem;
  background: #dae7f8;
  color: #1e3d64;
}

.tab-btn.is-active {
  background: #1e4f86;
  color: #fff;
}

.tab-pane {
  margin-top: 0.7rem;
}

#paneInputUpload {
  display: grid;
  gap: 0.6rem;
  align-content: start;
}

#paneInputUpload[hidden] {
  display: none !important;
}

textarea {
  width: 100%;
  min-height: 280px;
  border: 1px solid var(--border);
  border-radius: 10px;
  outline: none;
  resize: vertical;
  padding: 0.8rem;
  background: #fff;
  color: var(--text);
  font-size: 0.88rem;
  line-height: 1.45;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

#mdText {
  min-height: 420px;
}

.upload-dropzone {
  display: grid;
  gap: 0.22rem;
  align-content: center;
  justify-items: center;
  min-height: 140px;
  border: 2px dashed #b5cce8;
  border-radius: 12px;
  background: #f6fbff;
  color: #1d4878;
  cursor: pointer;
  text-align: center;
  padding: 1rem;
}

.upload-dropzone.dragover {
  border-color: #2f6da9;
  background: #eaf5ff;
}

#docxInput {
  width: 100%;
  margin: 0;
}

.options {
  border: 1px solid #e3ecf8;
  border-radius: 10px;
  padding: 0.72rem;
  display: grid;
  gap: 0.6rem;
  background: var(--surface-soft);
  color: var(--muted);
  font-size: 0.84rem;
}

.options.compact {
  border: 0;
  border-radius: 0;
  background: transparent;
  padding: 0;
}

.options label {
  display: flex;
  gap: 8px;
  align-items: center;
}

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

.mode-title {
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--text);
}

.radio-group {
  display: grid;
  gap: 0.5rem;
}

.radio-card {
  display: flex;
  align-items: flex-start !important;
  gap: 9px;
  padding: 8px;
  border: 1px solid #d2deef;
  border-radius: 10px;
  background: #fff;
  cursor: pointer;
}

.radio-card:hover {
  border-color: #b8cbe6;
}

.radio-card input {
  margin-top: 2px;
}

.radio-card .label {
  display: grid;
  gap: 3px;
}

.radio-card .label strong {
  color: var(--text);
  font-size: 0.81rem;
}

.radio-card .label small {
  color: var(--muted);
  font-size: 0.74rem;
  line-height: 1.35;
}

.two-col {
  display: grid;
  gap: 0.34rem;
}

.two-col input,
.two-col select,
.preset-row select {
  border: 1px solid #c9d9ee;
  border-radius: 8px;
  padding: 0.46rem 0.6rem;
  font: inherit;
  color: #1d3552;
  background: #fff;
}

.preset-row {
  display: grid;
  gap: 0.45rem;
  margin-bottom: 0.7rem;
}

.preset-row > label {
  font-size: 0.86rem;
  color: #2e4562;
  font-weight: 600;
}

.preview {
  padding: 0.8rem;
  overflow: auto;
  min-height: 420px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
}

.preview :where(h1, h2, h3, h4, h5) {
  margin: 0.9em 0 0.45em;
}

.preview :where(p, ul, ol, table, pre, blockquote) {
  margin: 0.6em 0;
}

.preview code,
.preview pre {
  background: #edf3ff;
  border: 1px solid #d4e0f3;
  border-radius: 10px;
}

.preview pre {
  padding: 10px;
  overflow: auto;
}

.preview code {
  padding: 0.2em 0.35em;
}

.preview table {
  border-collapse: collapse;
  width: 100%;
  overflow: auto;
  display: block;
}

.preview th,
.preview td {
  border: 1px solid #c5d4ea;
  padding: 6px 8px;
  vertical-align: top;
}

.summary-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.3rem 0 0.45rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  border: 1px solid #c8d8f3;
  border-radius: 999px;
  padding: 3px 8px;
  color: #355f90;
  font-size: 0.75rem;
  background: #edf4ff;
}

.report-grid {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.report-card {
  border: 1px solid #d8e4f3;
  border-radius: 10px;
  background: #fafdff;
  padding: 0.74rem;
}

.report-card h3 {
  margin: 0 0 0.5rem;
  font-size: 0.98rem;
}

.report-kv {
  display: grid;
  gap: 0.36rem;
}

.report-kv .kv {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  border-bottom: 1px dashed #deebf9;
  padding-bottom: 0.24rem;
  font-size: 0.84rem;
  color: #365476;
}

.report-kv .kv strong {
  max-width: 68%;
  text-align: right;
  word-break: break-word;
}

.report-kv .kv:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.report-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.5rem;
}

.report-list li {
  border: 1px solid #d7e4f4;
  border-radius: 8px;
  background: #fff;
  padding: 0.56rem;
}

.report-list strong {
  color: #2a4a70;
}

.report-list p {
  margin: 0.3rem 0 0;
  color: #4b6280;
  font-size: 0.83rem;
  line-height: 1.45;
}

details {
  border-top: 1px solid var(--border);
  padding: 0.7rem 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.debug {
  margin: 0.35rem 0 0;
  white-space: pre-wrap;
  word-break: break-word;
  background: #fff;
  border: 1px solid #d7e1ef;
  border-radius: 8px;
  padding: 0.6rem;
  max-height: 240px;
  overflow: auto;
  color: #385370;
}

.muted {
  margin: 0;
  color: var(--muted);
}

.small {
  font-size: 0.9rem;
}

.bottom-notes {
  margin: 0 auto;
  padding-bottom: 1rem;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.45;
}

.bottom-notes p {
  margin: 0.2rem 0;
}

.guide-layout {
  margin: 0 auto 1.2rem;
  display: grid;
  gap: 0.8rem;
  grid-template-columns: 1fr;
}

@media (min-width: 880px) {
  .guide-layout {
    grid-template-columns: 1fr 1fr;
  }
}

.guide-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #ffffff;
  padding: 0.85rem;
}

.guide-card h2 {
  margin: 0;
  font-size: 1rem;
}

.guide-card p,
.guide-card li {
  color: var(--muted);
  line-height: 1.58;
}

.guide-card p {
  margin: 0.55rem 0 0;
}

.guide-card ul,
.guide-card ol {
  margin: 0.55rem 0 0;
  padding-left: 1.15rem;
}

.faq-card details {
  margin-top: 0.5rem;
  border: 1px solid #dce7f7;
  border-radius: 10px;
  padding: 0.5rem 0.62rem;
  background: #f9fcff;
}

.faq-card summary {
  cursor: pointer;
  color: #22456e;
  font-weight: 600;
}

.faq-card details p {
  margin-top: 0.42rem;
}

.updated-at {
  margin-top: 0.62rem;
  font-size: 0.85rem;
  color: #466282;
}

footer {
  text-align: center;
  padding-bottom: 2rem;
  color: var(--muted);
}

code {
  border-radius: 6px;
  background: #edf3ff;
  padding: 2px 6px;
  font-size: 0.89em;
}

.tool-footer {
  margin-top: 56px;
}

.tool-footer__inner {
  text-align: left;
}

.tool-footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  margin-bottom: 14px;
}

.tool-footer__nav a {
  color: inherit;
  text-decoration: none;
}

.tool-footer__nav a:hover,
.tool-footer__nav a:focus-visible {
  text-decoration: underline;
}

.tool-footer__meta,
.tool-footer__note {
  margin: 0 0 10px;
  line-height: 1.65;
  font-size: 0.95rem;
  color: #4b5563;
}