:root {
  --ink: #171717;
  --muted: #62626c;
  --line: #e6e7ee;
  --soft: #f7f8fc;
  --brand: #4a4aff;
  --green: #087443;
  --red: #b42318;
  --amber: #9a6700;
}
* {
  box-sizing: border-box;
}
html {
  font-family: Mulish, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: #fff;
}
body {
  margin: 0;
}
a {
  color: inherit;
}
.free-tools-shell {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}
.free-tools-header {
  border-bottom: 1px solid var(--line);
  background: #fff;
}
.free-tools-nav {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.free-tools-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-size: 21px;
  font-weight: 760;
}
.free-tools-brand img {
  width: 30px;
  height: 30px;
}
.free-tools-links {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 14px;
  color: #454552;
}
.free-tools-links a {
  text-decoration: none;
}
.free-tools-cta {
  padding: 10px 17px;
  border-radius: 8px;
  background: #171717;
  color: #fff !important;
}
.free-tools-hero {
  padding: 72px 0 44px;
  background: linear-gradient(180deg, #f7f8ff 0%, #fff 100%);
}
.free-tools-eyebrow {
  margin: 0 0 12px;
  color: var(--brand);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.free-tools-hero h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(38px, 5vw, 64px);
  line-height: 1.03;
  letter-spacing: -0.03em;
}
.free-tools-lede {
  max-width: 700px;
  margin: 22px 0 0;
  font-size: 18px;
  line-height: 1.6;
  color: var(--muted);
}
.free-tools-note {
  display: inline-flex;
  margin-top: 22px;
  padding: 9px 12px;
  border: 1px solid #d8dbf6;
  border-radius: 8px;
  background: #fff;
  color: #42427e;
  font-size: 13px;
}
.tool-workspace {
  margin: 30px auto 80px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 12px 35px rgba(33, 38, 80, 0.07);
}
.tool-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}
.tool-toolbar h2 {
  margin: 0;
  font-size: 20px;
}
.tool-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}
.tool-button {
  border: 1px solid #cfd1df;
  border-radius: 7px;
  padding: 10px 14px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-size: 14px;
  cursor: pointer;
}
.tool-button:hover {
  border-color: var(--brand);
  color: var(--brand);
}
.tool-button.primary {
  border-color: var(--brand);
  background: var(--brand);
  color: #fff;
}
.tool-button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}
.tool-button.compact {
  margin: 0 4px 4px 0;
  padding: 6px 8px;
  font-size: 12px;
}
.tool-dropzone {
  display: grid;
  place-items: center;
  min-height: 170px;
  margin-top: 20px;
  padding: 24px;
  border: 1px dashed #aeb3ce;
  border-radius: 9px;
  background: var(--soft);
  text-align: center;
  cursor: pointer;
}
.tool-dropzone.dragover {
  border-color: var(--brand);
  background: #f0f1ff;
}
.tool-dropzone strong {
  display: block;
  font-size: 17px;
}
.tool-dropzone span {
  display: block;
  margin-top: 7px;
  color: var(--muted);
  font-size: 13px;
}
.tool-file-input {
  display: none;
}
.tool-summary {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  margin-top: 18px;
}
.tool-file-options { margin: 20px 0; padding: 16px 0; border-top: 1px solid var(--line); }
.tool-file-options label { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; font-size: 14px; }
.tool-file-options p { color: var(--muted); line-height: 1.6; font-size: 14px; max-width: 80ch; }
.tool-file-options select { max-width: 100%; }
.tool-text-preview { white-space: pre-wrap; overflow-wrap: anywhere; overflow: auto; max-height: 340px; padding: 16px; background: var(--soft); border: 1px solid var(--line); border-radius: 6px; font-size: 13px; line-height: 1.6; }
.resource-reading { margin: 48px auto; padding: 32px 24px; max-width: 1180px; border-top: 1px solid var(--line); color: var(--ink); font-family: Mulish, sans-serif; }
.resource-reading h2 { font-size: 26px; line-height: 1.35; margin: 0 0 16px; }
.resource-reading h3 { font-size: 18px; line-height: 1.5; margin: 24px 0 8px; }
.resource-reading p, .resource-reading li { font-size: 16px; line-height: 1.75; }
.resource-reading a { color: var(--brand); text-decoration: underline; text-underline-offset: 3px; }
.resource-reading ul { padding-left: 22px; }
.resource-reading .resource-byline { color: var(--muted); font-size: 13px; }
.tool-stat {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}
.tool-stat b {
  display: block;
  font-size: 24px;
}
.tool-stat span {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 12px;
}
.tool-table-wrap {
  margin-top: 18px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}
.tool-table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  font-size: 13px;
}
.tool-table th,
.tool-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}
.tool-table th {
  background: #fafaff;
  color: #555a6e;
  font-weight: 700;
}
.tool-table tr:last-child td {
  border-bottom: 0;
}
.status-good {
  color: var(--green);
}
.status-warn {
  color: var(--amber);
}
.status-error {
  color: var(--red);
}
.tool-empty {
  padding: 26px;
  text-align: center;
  color: var(--muted);
}
.tool-editor {
  display: none;
  margin-top: 18px;
  gap: 16px;
}
.tool-editor.active {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}
.tool-editor-controls {
  display: flex;
  grid-column: 1 / -1;
  flex-wrap: wrap;
  align-items: end;
  gap: 8px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fafaff;
}
.tool-editor-controls label {
  display: grid;
  gap: 4px;
  color: var(--muted);
  font-size: 12px;
}
.tool-editor-controls .tool-select {
  min-width: 120px;
}
.cue-list {
  max-height: 390px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}
.cue-row {
  display: grid;
  grid-template-columns: 38px 150px 150px minmax(160px, 1fr);
  gap: 10px;
  align-items: start;
  padding: 11px;
  border-bottom: 1px solid var(--line);
}
.cue-row label { display: grid; gap: 6px; font-size: 12px; color: var(--muted); min-width: 0; }
.cue-row input[aria-invalid="true"] { border-color: var(--red); }
.merge-duration { display: grid; gap: 8px; min-width: 210px; }
.merge-duration label { display: grid; gap: 5px; font-size: 12px; }
.merge-duration input { max-width: 240px; }
.cue-row:last-child {
  border-bottom: 0;
}
.cue-row input,
.cue-row textarea,
.tool-select {
  width: 100%;
  padding: 8px;
  border: 1px solid #d6d8e3;
  border-radius: 6px;
  font: inherit;
  font-size: 13px;
}
.cue-row textarea {
  min-height: 50px;
  resize: vertical;
}
.cue-index {
  padding-top: 8px;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}
.tool-side {
  padding: 17px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fafaff;
}
.tool-side h3 {
  margin: 0 0 12px;
  font-size: 15px;
}
.tool-side p {
  margin: 9px 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}
.tool-content {
  padding: 0 0 72px;
}
.tool-example-panel { display:grid; grid-template-columns:minmax(0, .75fr) minmax(0, 1.25fr); gap:28px; align-items:center; margin:0 auto 48px; padding:24px; border:1px solid var(--line); border-radius:12px; background:#fafaff; }
.tool-example-panel h2 { margin:0 0 12px; font-size:28px; line-height:1.25; }
.tool-example-panel p { margin:0 0 18px; color:var(--muted); line-height:1.6; }
.tool-example-panel img { display:block; width:100%; height:auto; border:1px solid var(--line); border-radius:8px; background:#fff; }
.tool-example-panel .tool-button { display:inline-block; text-decoration:none; }
.tool-content h2 {
  margin: 52px 0 14px;
  font-size: 30px;
  letter-spacing: -0.02em;
}
.tool-content h3 {
  margin: 26px 0 9px;
  font-size: 19px;
}
.tool-content p,
.tool-content li {
  max-width: 780px;
  color: #50515c;
  font-size: 16px;
  line-height: 1.7;
}
.tool-content ul {
  padding-left: 22px;
}
.tool-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.tool-card {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #fff;
}
.tool-card h3 {
  margin: 0 0 7px;
  font-size: 17px;
}
.tool-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.55;
}
.free-tools-footer {
  padding: 30px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}
.free-tools-footer a {
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
}
@media (max-width: 760px) {
  .free-tools-shell {
    padding: 0 16px;
  }
  .free-tools-links {
    display: none;
  }
  .free-tools-hero {
    padding: 46px 0 25px;
  }
  .free-tools-hero h1 {
    font-size: 42px;
  }
  .free-tools-lede {
    font-size: 16px;
  }
  .tool-workspace {
    padding: 14px;
    margin-bottom: 46px;
  }
  .tool-summary {
    grid-template-columns: repeat(2, 1fr);
  }
  .tool-editor.active {
    grid-template-columns: 1fr;
  }
  .tool-grid {
    grid-template-columns: 1fr;
  }
  .tool-example-panel { grid-template-columns:1fr; padding:16px; }
  .cue-row {
    grid-template-columns: 1fr 1fr;
  }
  .cue-index { grid-column: 1 / -1; text-align: left; }
  .cue-row textarea {
    grid-column: 1 / -1;
  }
  .cue-text-label { grid-column: 1 / -1; }
  .tool-content h2 {
    font-size: 25px;
  }
}