*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, sans-serif;
  color: #3d3522;
  background: #fcf9f2;
  line-height: 1.5;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1.5rem;
  background: #3d3522;
  color: #fcf9f2;
}
.topbar a {
  color: #fcf9f2;
  text-decoration: none;
  font-size: 1.125rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}
.topbar nav {
  display: flex;
  gap: 1rem;
  align-items: center;
  font-size: 0.875rem;
}
.topbar nav a { font-size: 0.875rem; }
.topbar nav button {
  font: inherit;
  font-size: 0.8rem;
  padding: 0.25rem 0.75rem;
  background: rgba(255,255,255,0.12);
  color: #fcf9f2;
  border: none;
  border-radius: 0.35rem;
  cursor: pointer;
}
.topbar nav button:hover { background: rgba(255,255,255,0.2); }

.workspace {
  display: grid;
  grid-template-columns: minmax(260px, 26%) 1fr minmax(220px, 24%);
  height: calc(100vh - 56px);
  gap: 0.75rem;
  padding: 0.75rem;
}

.tree-pane {
  overflow: auto;
  padding: 1.25rem;
  background: #ffffff;
  border-radius: 0.5rem;
  box-shadow: 0 1px 3px rgba(61,53,34,0.06);
}

.note-pane {
  overflow: auto;
  padding: 1.5rem;
  background: #fefdf8;
  border-radius: 0.5rem;
  box-shadow: 0 1px 3px rgba(61,53,34,0.06);
}

.preview-pane {
  overflow: auto;
  padding: 1.25rem;
  background: #faf7ef;
  border-radius: 0.5rem;
  box-shadow: 0 1px 3px rgba(61,53,34,0.06);
}

.tree-pane h2,
.preview-pane h2 {
  margin: 0 0 0.75rem 0;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #8b7e5c;
}

.tree-node {
  padding: 0.15rem 0 0.15rem 0.75rem;
  border-left: 2px solid #e8e0cd;
  border-radius: 0 0.25rem 0.25rem 0;
  margin-bottom: 0.1rem;
}
.tree-node:hover > a { background: #fef3c7; border-radius: 0.25rem; padding: 0.1rem 0.35rem; }
.tree-node a {
  color: #3d3522;
  text-decoration: none;
  font-size: 0.9rem;
}
.tree-children { margin-left: 1.25rem; }

.search-match > a {
  background: #fde68a;
  border-radius: 0.25rem;
  padding: 0.1rem 0.35rem;
  box-shadow: none;
}
.search-muted { opacity: 0.4; }

.search-form {
  display: flex;
  gap: 0.35rem;
  margin-bottom: 1rem;
}
.search-form input {
  flex: 1;
  padding: 0.4rem 0.6rem;
  border: 1px solid #e8e0cd;
  border-radius: 0.35rem;
  font: inherit;
  font-size: 0.875rem;
  color: #3d3522;
  background: #fcf9f2;
}
.search-form input:focus {
  outline: none;
  border-color: #c2784b;
  box-shadow: 0 0 0 2px rgba(194,120,75,0.15);
}
.search-form select {
  padding: 0.4rem 0.5rem;
  border: 1px solid #e8e0cd;
  border-radius: 0.35rem;
  font: inherit;
  font-size: 0.8rem;
  color: #3d3522;
  background: #fcf9f2;
}
.search-form button {
  padding: 0.4rem 0.75rem;
  border: none;
  border-radius: 0.35rem;
  background: #c2784b;
  color: white;
  font: inherit;
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
}
.search-form button:hover { background: #a8633e; }

.note-form label {
  display: block;
  margin-bottom: 0.75rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: #6b5e3d;
}
.note-form input,
.note-form textarea {
  display: block;
  width: 100%;
  margin-top: 0.2rem;
  padding: 0.45rem 0.6rem;
  border: 1px solid #e8e0cd;
  border-radius: 0.35rem;
  font: inherit;
  font-size: 0.95rem;
  color: #3d3522;
  background: #ffffff;
}
.note-form textarea {
  min-height: 6rem;
  resize: vertical;
}
.note-form input:focus,
.note-form textarea:focus {
  outline: none;
  border-color: #c2784b;
  box-shadow: 0 0 0 2px rgba(194,120,75,0.15);
}
.note-form button {
  padding: 0.55rem 1.25rem;
  border: none;
  border-radius: 0.35rem;
  background: #c2784b;
  color: white;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
}
.note-form button:hover { background: #a8633e; }

.child-form {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.75rem;
}
.child-form input {
  flex: 1;
  padding: 0.45rem 0.6rem;
  border: 1px solid #e8e0cd;
  border-radius: 0.35rem;
  font: inherit;
  font-size: 0.9rem;
  color: #3d3522;
  background: #ffffff;
}
.child-form input:focus {
  outline: none;
  border-color: #c2784b;
  box-shadow: 0 0 0 2px rgba(194,120,75,0.15);
}
.child-form button {
  padding: 0.45rem 1rem;
  border: 1px solid #e8e0cd;
  border-radius: 0.35rem;
  background: #ffffff;
  color: #6b5e3d;
  font: inherit;
  font-size: 0.85rem;
  cursor: pointer;
}
.child-form button:hover { background: #fef3c7; }

.preview-card {
  display: block;
  padding: 0.5rem 0.6rem;
  margin-bottom: 0.25rem;
  color: #3d3522;
  text-decoration: none;
  border-radius: 0.35rem;
  border: 1px solid #efead8;
  background: #ffffff;
}
.preview-card:hover { background: #fef3c7; }
.preview-title {
  display: block;
  font-weight: 500;
  font-size: 0.9rem;
  color: #b45309;
  margin-bottom: 0.15rem;
}
.preview-body {
  display: block;
  font-size: 0.78rem;
  color: #8b7e5c;
  line-height: 1.35;
  margin-bottom: 0.15rem;
}
.preview-price {
  font-size: 0.78rem;
  font-weight: 500;
  color: #c2784b;
}

.drop-zone {
  margin: 1rem 0;
  padding: 1.25rem;
  border: 2px dashed #d6c9a8;
  border-radius: 0.5rem;
  background: #faf7ef;
  text-align: center;
  font-size: 0.85rem;
  color: #8b7e5c;
  cursor: pointer;
}
.drop-zone:hover { border-color: #c2784b; background: #fef7f0; }

.attachments {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.attachments img {
  width: 96px;
  height: 96px;
  object-fit: cover;
  border-radius: 0.35rem;
  border: 1px solid #e8e0cd;
}
.file-link { display: block; padding: 0.4rem 0.6rem; border: 1px solid #e8e0cd; border-radius: 0.35rem; color: #b45309; text-decoration: none; font-size: 0.85rem; background: #ffffff; }
.file-link:hover { background: #fef3c7; }

.project-tree { margin-bottom: 0.5rem; }

.auth-card {
  max-width: 26rem;
  margin: 5rem auto;
  padding: 2.5rem;
  background: #ffffff;
  border: 1px solid #e8e0cd;
  border-radius: 0.75rem;
  box-shadow: 0 2px 8px rgba(61,53,34,0.06);
}
.auth-card h1 {
  margin: 0 0 1.5rem 0;
  font-size: 1.25rem;
  font-weight: 600;
  color: #3d3522;
}
.auth-card label {
  display: block;
  margin-bottom: 0.75rem;
  font-size: 0.85rem;
  color: #6b5e3d;
}
.auth-card input {
  display: block;
  width: 100%;
  margin-top: 0.2rem;
  padding: 0.5rem 0.6rem;
  border: 1px solid #e8e0cd;
  border-radius: 0.35rem;
  font: inherit;
  font-size: 0.95rem;
  color: #3d3522;
  background: #fcf9f2;
}
.auth-card input:focus {
  outline: none;
  border-color: #c2784b;
  box-shadow: 0 0 0 2px rgba(194,120,75,0.15);
}
.auth-card button {
  margin-top: 0.5rem;
  padding: 0.55rem 1.5rem;
  border: none;
  border-radius: 0.35rem;
  background: #c2784b;
  color: white;
  font: inherit;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  width: 100%;
}
.auth-card button:hover { background: #a8633e; }
.auth-card ul.errorlist {
  margin: 0 0 1rem 0;
  padding: 0.5rem 0.75rem;
  background: #fef2f2;
  border: 1px solid #fca5a5;
  border-radius: 0.35rem;
  list-style: none;
  font-size: 0.85rem;
  color: #991b1b;
}
.auth-card .helptext {
  display: block;
  margin: 0.25rem 0 0.5rem 0;
  font-size: 0.78rem;
  color: #8b7e5c;
}

.context-menu {
  position: fixed;
  z-index: 1000;
  background: #ffffff;
  border: 1px solid #e8e0cd;
  border-radius: 0.5rem;
  box-shadow: 0 4px 16px rgba(61,53,34,0.12);
  min-width: 180px;
  padding: 0.35rem 0;
  display: none;
}
.context-menu button {
  display: block;
  width: 100%;
  text-align: left;
  padding: 0.45rem 1rem;
  border: none;
  background: none;
  font: inherit;
  font-size: 0.875rem;
  color: #3d3522;
  cursor: pointer;
}
.context-menu button:hover { background: #fef3c7; }
.context-menu button.danger { color: #b91c1c; }

.note-pane > p {
  color: #8b7e5c;
  font-size: 0.9rem;
}

.help-page {
  max-width: 980px;
  margin: 0 auto;
  padding: 2rem 1rem 3rem;
}

.help-hero,
.help-card,
.help-example {
  background: #ffffff;
  border: 1px solid #efead8;
  border-radius: 0.6rem;
  box-shadow: 0 1px 3px rgba(61,53,34,0.06);
}

.help-hero {
  padding: 1.5rem;
  margin-bottom: 1rem;
}

.help-hero h1,
.help-card h2,
.help-example h2 {
  margin-top: 0;
  color: #3d3522;
}

.help-hero p,
.help-card p,
.help-example p {
  color: #6b5e3d;
}

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

.help-card,
.help-example {
  padding: 1.25rem;
}

.help-example {
  margin-top: 0.75rem;
}

.help-example pre {
  overflow: auto;
  padding: 1rem;
  border-radius: 0.45rem;
  background: #fcf9f2;
  border: 1px solid #e8e0cd;
  color: #3d3522;
}

.eyebrow {
  margin: 0 0 0.25rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #c2784b;
}