:root {
  color-scheme: light;
  --ink: #1b1f24;
  --muted: #69727d;
  --line: #d9dee5;
  --panel: #ffffff;
  --paper: #f4f7f9;
  --accent: #0f766e;
  --accent-strong: #115e59;
  --danger: #b42318;
  --danger-soft: #fff1ef;
  --shadow: 0 18px 46px rgba(24, 39, 75, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(135deg, rgba(15, 118, 110, 0.08), transparent 38%),
    linear-gradient(315deg, rgba(47, 79, 79, 0.12), transparent 36%),
    var(--paper);
  color: var(--ink);
  font-family: "Microsoft YaHei UI", "Segoe UI", sans-serif;
}

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-shell {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  border-right: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.84);
  padding: 28px 20px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: auto;
}

.brand-block {
  margin-bottom: 22px;
}

.eyebrow {
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
  margin: 0 0 8px;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  font-size: 31px;
  line-height: 1.08;
  margin-bottom: 0;
}

h2 {
  font-size: 18px;
  margin-bottom: 0;
}

.primary-action,
.ghost-button,
.icon-button,
.group-button,
.row-action {
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 8px;
  min-height: 40px;
  transition: background 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.primary-action {
  width: 100%;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  padding: 0 14px;
}

.primary-action:hover {
  background: var(--accent-strong);
  transform: translateY(-1px);
}

.ghost-button {
  background: #fff;
  color: var(--danger);
  border-color: #f1b9b3;
  padding: 0 14px;
}

.ghost-button:disabled {
  color: #a4abb3;
  border-color: var(--line);
  cursor: not-allowed;
}

.icon-button,
.row-action {
  width: 40px;
  background: #fff;
  color: var(--ink);
  border-color: var(--line);
}

.icon-button:hover,
.row-action:hover,
.group-button:hover {
  border-color: var(--accent);
}

.icon-button.danger {
  color: var(--danger);
  background: var(--danger-soft);
}

.group-list {
  display: grid;
  gap: 8px;
  margin-top: 18px;
}

.group-button {
  width: 100%;
  justify-content: space-between;
  background: transparent;
  color: var(--muted);
  padding: 10px 12px;
}

.group-button.is-active {
  background: #e8f3f1;
  color: var(--accent-strong);
  border-color: #b7d9d4;
  font-weight: 700;
}

.group-count {
  color: inherit;
  font-size: 12px;
}

.workspace {
  padding: 28px;
  min-width: 0;
}

.toolbar {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.search-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 14px;
  min-height: 46px;
  box-shadow: 0 10px 30px rgba(24, 39, 75, 0.05);
}

.search-wrap input {
  width: 100%;
  border: 0;
  outline: 0;
}

.toolbar-actions,
.form-actions,
.row-actions {
  display: flex;
  gap: 8px;
}

.stats-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.stat {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
}

.stat strong {
  display: block;
  font-size: 22px;
}

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

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 18px;
  align-items: start;
}

.table-panel,
.editor-panel {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.panel-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 18px;
  border-bottom: 1px solid var(--line);
}

#resultCount {
  color: var(--muted);
  font-size: 13px;
  white-space: nowrap;
}

.bookmark-table {
  display: grid;
}

.bookmark-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 120px 96px;
  gap: 12px;
  align-items: center;
  padding: 14px 18px;
  border-bottom: 1px solid #edf0f4;
}

.bookmark-row:last-child {
  border-bottom: 0;
}

.bookmark-title {
  color: var(--ink);
  font-weight: 700;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.bookmark-url {
  color: var(--muted);
  font-size: 13px;
  margin-top: 5px;
  overflow-wrap: anywhere;
}

.bookmark-category {
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 700;
}

.editor-panel {
  display: grid;
  gap: 14px;
  padding-bottom: 18px;
  position: sticky;
  top: 28px;
}

.editor-panel label {
  display: grid;
  gap: 7px;
  padding: 0 18px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.editor-panel input,
.editor-panel textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 11px 12px;
  color: var(--ink);
  outline: 0;
  resize: vertical;
}

.editor-panel input:focus,
.editor-panel textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.12);
}

.form-actions {
  padding: 0 18px;
}

.form-actions .primary-action {
  width: auto;
  min-width: 120px;
}

.empty-state {
  padding: 40px 18px;
  color: var(--muted);
  text-align: center;
}

svg {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
}

@media (max-width: 980px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    height: auto;
    position: static;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .group-list {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  }

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

  .editor-panel {
    position: static;
  }
}

@media (max-width: 680px) {
  .workspace {
    padding: 18px;
  }

  .toolbar {
    align-items: stretch;
    flex-direction: column;
  }

  .stats-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .bookmark-row {
    grid-template-columns: 1fr;
  }

  .row-actions {
    justify-content: flex-start;
  }
}