/* 个人笔记本 —— 复用全局设计令牌（墨 / 米纸 / 朱红），圆角收敛 0~4px */

.notes-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  height: 100dvh;
  overflow: hidden;
}

.notes-content {
  flex: 1;
  overflow-y: auto;
  padding: 28px 32px 48px;
}

@media (max-width: 768px) {
  .notes-content { padding: 20px 16px 40px; }
}

/* ── 页头 ───────────────────────────────────────────── */
.nt-page-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}
.nt-page-title {
  font-family: var(--font-headline);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-on-surface);
  line-height: 1.1;
  letter-spacing: -0.01em;
}
.nt-page-sub {
  margin-top: 6px;
  font-size: 0.875rem;
  color: var(--color-on-surface-variant);
}

/* ── 按钮 ───────────────────────────────────────────── */
.nt-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 16px;
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  border: 1px solid transparent;
  border-radius: 2px;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}
.nt-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.nt-btn-primary {
  background: var(--color-primary);
  color: var(--color-on-primary, #F7F4EC);
}
.nt-btn-primary:hover:not(:disabled) { filter: brightness(1.08); }
.nt-btn-ghost {
  background: transparent;
  color: var(--color-on-surface-variant);
  border-color: color-mix(in srgb, var(--color-outline-variant) 40%, transparent);
}
.nt-btn-ghost:hover { color: var(--color-on-surface); }

/* ── 工具条 ─────────────────────────────────────────── */
.nt-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}
.nt-search {
  position: relative;
  flex: 1;
  max-width: 380px;
}
.nt-search i {
  position: absolute;
  left: 11px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.8rem;
  color: var(--color-on-surface-variant);
  pointer-events: none;
}
.nt-search input {
  width: 100%;
  padding: 9px 12px 9px 32px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--color-on-surface);
  background: var(--color-surface-container-low);
  border: 1px solid color-mix(in srgb, var(--color-outline-variant) 30%, transparent);
  border-radius: 2px;
  outline: none;
}
.nt-search input:focus { border-color: var(--color-primary); }
.nt-count {
  font-size: 0.78rem;
  color: var(--color-on-surface-variant);
}

/* ── 笔记卡片 ───────────────────────────────────────── */
.nt-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}
.nt-card {
  display: flex;
  flex-direction: column;
  padding: 16px 16px 12px;
  background: var(--color-surface-container-lowest);
  border: 1px solid color-mix(in srgb, var(--color-outline-variant) 22%, transparent);
  border-radius: 4px;
  box-shadow: var(--shadow-ambient);
  transition: border-color 0.18s ease;
}
.nt-card:hover { border-color: color-mix(in srgb, var(--color-outline-variant) 50%, transparent); }
.nt-card.pinned { border-left: 2px solid var(--color-primary); }

.nt-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
}
.nt-card-head h3 {
  margin: 0;
  font-family: var(--font-headline);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-on-surface);
  line-height: 1.35;
  word-break: break-word;
}
.nt-untitled { color: var(--color-on-surface-variant); font-weight: 400; font-style: italic; }

/* 笔记编号：跟 agent 说「删除 N 号笔记」用的就是它，故常显 */
.nt-id {
  margin-right: 7px;
  font-family: var(--font-mono, monospace);
  font-size: 0.72rem;
  font-weight: 400;
  color: var(--color-primary);
  vertical-align: 1px;
}

.nt-card-acts {
  display: flex;
  gap: 2px;
  flex-shrink: 0;
  opacity: 0;
  transition: opacity 0.18s ease;
}
.nt-card:hover .nt-card-acts,
.nt-card:focus-within .nt-card-acts { opacity: 1; }
@media (hover: none) {
  .nt-card-acts { opacity: 1; }   /* 触屏没有 hover，按钮常显 */
}

.nt-icon-btn {
  appearance: none;
  border: none;
  background: transparent;
  cursor: pointer;
  padding: 5px 6px;
  font-size: 0.72rem;
  line-height: 1;
  color: var(--color-on-surface-variant);
  border-radius: 2px;
}
.nt-icon-btn:hover {
  color: var(--color-on-surface);
  background: var(--color-surface-container-low);
}
.nt-icon-btn.nt-danger:hover { color: var(--color-error, #C4362A); }
.nt-card.pinned .nt-icon-btn[data-act="pin"] { color: var(--color-primary); }

.nt-card-body {
  margin: 0 0 12px;
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--color-on-surface-variant);
  white-space: pre-wrap;
  word-break: break-word;
  display: -webkit-box;
  -webkit-line-clamp: 6;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.nt-card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px solid color-mix(in srgb, var(--color-outline-variant) 16%, transparent);
}
.nt-tags { display: flex; flex-wrap: wrap; gap: 5px; }
.nt-tag {
  padding: 2px 7px;
  font-size: 0.7rem;
  color: var(--color-on-surface-variant);
  background: var(--color-surface-container-low);
  border-radius: 2px;
}
.nt-card-foot time {
  font-family: var(--font-mono, monospace);
  font-size: 0.7rem;
  color: var(--color-on-surface-variant);
  white-space: nowrap;
}

/* ── 空态 / 错误态 ──────────────────────────────────── */
.nt-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--color-on-surface-variant);
}
.nt-state-icon { font-size: 1.6rem; margin-bottom: 10px; opacity: 0.6; }
.nt-state-text { font-size: 0.85rem; }

/* ── 编辑弹窗 ───────────────────────────────────────── */
.nt-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: color-mix(in srgb, #12110E 55%, transparent);
  backdrop-filter: blur(3px);
}
.nt-modal {
  width: 100%;
  max-width: 520px;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  background: var(--color-surface-container-lowest);
  border: 1px solid color-mix(in srgb, var(--color-outline-variant) 26%, transparent);
  border-radius: 4px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.28);
}
.nt-modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px;
  font-family: var(--font-headline);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-on-surface);
  border-bottom: 1px solid color-mix(in srgb, var(--color-outline-variant) 18%, transparent);
}
.nt-modal-x {
  appearance: none;
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 0.95rem;
  color: var(--color-on-surface-variant);
}
.nt-modal-x:hover { color: var(--color-on-surface); }

.nt-modal-body {
  padding: 18px;
  overflow-y: auto;
}
.nt-field { display: block; margin-bottom: 14px; }
.nt-field > span {
  display: block;
  margin-bottom: 6px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-on-surface-variant);
}
.nt-field input,
.nt-field textarea {
  width: 100%;
  padding: 9px 11px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--color-on-surface);
  background: var(--color-surface-container-low);
  border: 1px solid color-mix(in srgb, var(--color-outline-variant) 30%, transparent);
  border-radius: 2px;
  outline: none;
  resize: vertical;
}
.nt-field input:focus,
.nt-field textarea:focus { border-color: var(--color-primary); }

.nt-check {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 0.82rem;
  color: var(--color-on-surface-variant);
  cursor: pointer;
}
.nt-modal-err {
  min-height: 18px;
  margin-top: 10px;
  font-size: 0.78rem;
  color: var(--color-error, #C4362A);
}
.nt-modal-foot {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 14px 18px;
  border-top: 1px solid color-mix(in srgb, var(--color-outline-variant) 18%, transparent);
}

@media (max-width: 600px) {
  .nt-page-head { flex-direction: column; align-items: stretch; }
  .nt-page-head .nt-btn { justify-content: center; }
  .nt-list { grid-template-columns: 1fr; }
  .nt-toolbar { flex-wrap: wrap; }
  .nt-search { max-width: none; }
}