:root {
  --background: #FBF3E1;
  --surface: #FFFDF8;
  --ink: #2B2118;
  --ink-soft: #6B5D4F;
  --accent: #B33A3A;
  --accent-soft: #E8C9A0;
  --border: #D8C7A8;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--background);
  color: var(--ink);
}

header {
  padding: 24px 32px 0;
}

header h1 {
  margin: 0 0 16px;
  font-size: 24px;
}

nav {
  display: flex;
  gap: 8px;
  border-bottom: 1px solid var(--border);
}

.tab-button {
  padding: 10px 20px;
  border: none;
  background: none;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-soft);
  cursor: pointer;
  border-bottom: 2px solid transparent;
}

.tab-button.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

main {
  padding: 24px 32px;
}

#toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

#add-button {
  padding: 10px 20px;
  border: none;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}

#count {
  color: var(--ink-soft);
  font-size: 14px;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

th, td {
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  vertical-align: top;
}

tbody tr:last-child td {
  border-bottom: none;
}

th {
  background: var(--accent-soft);
  color: var(--ink);
}

.actions {
  white-space: nowrap;
}

.actions button {
  margin-right: 8px;
  padding: 6px 12px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface);
  cursor: pointer;
  font-size: 13px;
}

.delete-btn {
  color: var(--accent);
}

#modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(43, 33, 24, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

#modal-backdrop.hidden {
  display: none;
}

#edit-form {
  background: var(--surface);
  border-radius: 14px;
  padding: 24px;
  width: 480px;
  max-width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

#edit-form h2 {
  margin: 0;
  font-size: 18px;
}

#edit-form label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 13px;
  color: var(--ink-soft);
  font-weight: 600;
}

#edit-form input,
#edit-form textarea {
  font-family: inherit;
  font-size: 14px;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  color: var(--ink);
}

#edit-form textarea {
  min-height: 60px;
  resize: vertical;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 8px;
}

.form-actions button {
  padding: 8px 18px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface);
  cursor: pointer;
  font-weight: 600;
}

.form-actions button[type="submit"] {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

#confirm-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(43, 33, 24, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

#confirm-backdrop.hidden {
  display: none;
}

.confirm-box {
  background: var(--surface);
  border-radius: 14px;
  padding: 24px;
  width: 320px;
  max-width: 100%;
}

.confirm-box p {
  margin: 0 0 16px;
  font-size: 15px;
  color: var(--ink);
}

.confirm-box .form-actions button:last-child {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

#toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink);
  color: var(--surface);
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 14px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

#toast.hidden {
  display: none;
}