:root {
  --ink: #1a1a1a; --ink-soft: #2c2c2c; --ink-fade: #4a4a4a;
  --ink-mist: #8a8a8a; --ink-ghost: #c5c0b8;
  --paper: #f5f0e8; --paper-2: #ede8de; --paper-3: #e0dbd0;
  --vermilion: #a0291f; --seal: #8b2419;
  --line: #d8d2c6; --shadow: rgba(26,26,26,0.08); --shadow-2: rgba(26,26,26,0.15);
}
* { margin:0; padding:0; box-sizing:border-box; }
body {
  font-family: 'Noto Serif SC','Source Han Serif SC','Songti SC','SimSun', serif;
  background: var(--paper); color: var(--ink); min-height: 100vh; overflow-x: hidden;
}
.ink-bloom {
  position: fixed; top: -200px; right: -200px; width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(26,26,26,0.06) 0%, rgba(26,26,26,0.02) 40%, transparent 70%);
  border-radius: 50%; pointer-events: none; z-index: 0;
}
.top-bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 28px 48px 20px; border-bottom: 1px solid var(--line); position: relative; z-index: 1;
}
.brand { display: flex; align-items: baseline; gap: 14px; }
.brand-title { font-size: 36px; font-weight: 700; letter-spacing: 0.15em; color: var(--ink); position: relative; }
.brand-title::after {
  content: ''; position: absolute; bottom: 4px; right: -10px;
  width: 8px; height: 8px; background: var(--vermilion); border-radius: 1px; transform: rotate(45deg);
}
.brand-sub { font-size: 12px; letter-spacing: 0.3em; color: var(--ink-mist); text-transform: uppercase; }
.stats { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--ink-fade); }
.stat-item b { font-size: 16px; font-weight: 700; color: var(--ink); }
.stat-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.stat-dot.high { background: var(--vermilion); }
.stat-dot.medium { background: var(--ink-fade); }
.stat-dot.low { background: var(--ink-ghost); }
.stat-divider { width: 1px; height: 16px; background: var(--line); margin: 0 6px; }
.layout { display: flex; gap: 40px; padding: 32px 48px; position: relative; z-index: 1; max-width: 1400px; margin: 0 auto; }
.left-panel { width: 400px; flex-shrink: 0; display: flex; flex-direction: column; gap: 28px; }
.right-panel { flex: 1; min-width: 0; }
.panel-block { background: rgba(255,255,255,0.5); border: 1px solid var(--line); border-radius: 2px; padding: 24px; box-shadow: 0 1px 3px var(--shadow); }
.block-title { font-size: 14px; font-weight: 700; letter-spacing: 0.2em; color: var(--ink-fade); margin-bottom: 16px; padding-bottom: 10px; border-bottom: 1px solid var(--line); }
.memory-input { width: 100%; border: 1px solid var(--line); border-radius: 2px; background: var(--paper); padding: 14px 16px; font-size: 14px; font-family: inherit; line-height: 1.8; color: var(--ink); resize: vertical; outline: none; transition: border-color 0.3s; }
.memory-input:focus { border-color: var(--ink-fade); }
.memory-input::placeholder { color: var(--ink-ghost); }
.input-meta { display: flex; gap: 8px; margin-top: 12px; align-items: center; }
.source-input { flex: 1; border: 1px solid var(--line); border-radius: 2px; padding: 8px 12px; font-size: 13px; font-family: inherit; color: var(--ink-fade); background: var(--paper); outline: none; }
.source-input:focus { border-color: var(--ink-fade); }
.btn { padding: 8px 18px; border: 1px solid var(--line); border-radius: 2px; font-size: 13px; font-family: inherit; letter-spacing: 0.1em; cursor: pointer; transition: all 0.25s; background: transparent; color: var(--ink-fade); }
.btn-primary { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.btn-primary:hover { background: var(--ink-soft); box-shadow: 0 2px 8px var(--shadow-2); }
.btn-ghost { color: var(--ink-fade); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--ink-fade); color: var(--ink); background: var(--paper-2); }
.btn-danger { color: var(--vermilion); border-color: var(--vermilion); background: transparent; }
.btn-danger:hover { background: var(--vermilion); color: var(--paper); }
.btn-sm { padding: 6px 14px; font-size: 12px; }
.assess-result { margin-top: 14px; padding: 12px 16px; border-left: 3px solid var(--ink-fade); background: var(--paper-2); font-size: 13px; color: var(--ink-fade); line-height: 1.8; border-radius: 0 2px 2px 0; }
.assess-result .label { color: var(--ink-mist); font-size: 12px; letter-spacing: 0.1em; }
.assess-result .imp-high { color: var(--vermilion); font-weight: 700; }
.assess-result .imp-medium { color: var(--ink-fade); font-weight: 700; }
.assess-result .imp-low { color: var(--ink-ghost); }
.tag-chip { display: inline-block; padding: 2px 10px; margin: 2px 4px 2px 0; border: 1px solid var(--line); border-radius: 2px; font-size: 12px; color: var(--ink-mist); background: var(--paper); }
.search-row { display: flex; gap: 8px; }
.search-input { flex: 1; border: 1px solid var(--line); border-radius: 2px; padding: 8px 12px; font-size: 13px; font-family: inherit; color: var(--ink); background: var(--paper); outline: none; }
.search-input:focus { border-color: var(--ink-fade); }
.filter-row { display: flex; gap: 6px; margin-top: 14px; flex-wrap: wrap; }
.filter-btn { padding: 5px 14px; border: 1px solid var(--line); border-radius: 2px; font-size: 12px; font-family: inherit; color: var(--ink-mist); background: transparent; cursor: pointer; transition: all 0.2s; }
.filter-btn:hover { border-color: var(--ink-fade); color: var(--ink); }
.filter-btn.active { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.list-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; padding-bottom: 10px; border-bottom: 1px solid var(--line); }
.memory-list { display: flex; flex-direction: column; gap: 12px; }
.memory-card { background: rgba(255,255,255,0.6); border: 1px solid var(--line); border-radius: 2px; padding: 18px 22px; cursor: pointer; transition: all 0.25s; position: relative; overflow: hidden; }
.memory-card:hover { border-color: var(--ink-ghost); box-shadow: 0 2px 12px var(--shadow-2); transform: translateY(-1px); }
.memory-card .importance-mark { position: absolute; left: 0; top: 0; bottom: 0; width: 3px; }
.memory-card .importance-mark.high { background: var(--vermilion); }
.memory-card .importance-mark.medium { background: var(--ink-fade); }
.memory-card .importance-mark.low { background: var(--ink-ghost); }
.memory-card .card-summary { font-size: 14px; line-height: 1.7; color: var(--ink); margin-bottom: 8px; padding-left: 10px; }
.memory-card .card-meta { display: flex; align-items: center; gap: 12px; font-size: 11px; color: var(--ink-mist); padding-left: 10px; }
.memory-card .sync-badge { padding: 1px 8px; border-radius: 2px; font-size: 10px; letter-spacing: 0.1em; }
.memory-card .sync-badge.synced { background: var(--paper-3); color: var(--ink-fade); }
.memory-card .sync-badge.unsynced { background: transparent; color: var(--vermilion); border: 1px solid var(--vermilion); }
.memory-card .card-tags { display: inline-flex; gap: 4px; }
.memory-card .card-tag { font-size: 10px; color: var(--ink-ghost); }
.empty-state { text-align: center; padding: 80px 20px; color: var(--ink-ghost); }
.empty-circle { width: 60px; height: 60px; border: 2px solid var(--line); border-radius: 50%; margin: 0 auto 20px; }
.modal { position: fixed; inset: 0; z-index: 100; display: flex; align-items: center; justify-content: center; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(26,26,26,0.3); backdrop-filter: blur(4px); }
.modal-content { position: relative; width: 600px; max-width: 90vw; max-height: 80vh; background: var(--paper); border: 1px solid var(--ink-ghost); border-radius: 2px; padding: 28px 32px; box-shadow: 0 12px 40px rgba(26,26,26,0.25); display: flex; flex-direction: column; overflow: hidden; }
.modal-header { display: flex; align-items: center; gap: 14px; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.modal-close { margin-left: auto; background: none; border: none; font-size: 24px; color: var(--ink-mist); cursor: pointer; line-height: 1; }
.modal-close:hover { color: var(--ink); }
.importance-badge { padding: 3px 12px; border-radius: 2px; font-size: 12px; letter-spacing: 0.1em; }
.importance-badge.high { background: var(--vermilion); color: var(--paper); }
.importance-badge.medium { background: var(--ink-fade); color: var(--paper); }
.importance-badge.low { background: var(--paper-3); color: var(--ink-mist); }
.detail-time { font-size: 12px; color: var(--ink-mist); }
.detail-content { flex: 1; overflow-y: auto; padding: 20px 0; font-size: 15px; line-height: 2; color: var(--ink); white-space: pre-wrap; }
.detail-tags { display: flex; gap: 6px; flex-wrap: wrap; padding-bottom: 16px; }
.modal-footer { display: flex; justify-content: space-between; align-items: center; padding-top: 16px; border-top: 1px solid var(--line); }
.detail-meta { font-size: 11px; color: var(--ink-ghost); }
.modal-actions { display: flex; gap: 8px; }
.hidden { display: none !important; }
.fade-in { animation: fadeIn 0.4s ease-out; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--ink-ghost); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--ink-mist); }
@media (max-width: 960px) {
  .top-bar { padding: 20px 24px 16px; flex-wrap: wrap; gap: 12px; }
  .stats { font-size: 12px; }
  .layout { flex-direction: column; padding: 24px; gap: 24px; }
  .left-panel { width: 100%; }
}