/* memory.css — 记忆模块（按 v2-enhancements.css 1065-1620 1:1 复刻）
   入口：用户菜单 #memoryBtn + hover 侧板 #memHoverPreview + 全屏 modal #memoryModalBackdrop > .memory-modal
*/

/* ─────────── 记忆 / 个性化 模态 ─────────── */
.memory-modal {
  width: 720px;
  max-width: calc(100vw - 32px);
  max-height: 86vh;
  background: var(--card-bg);
  border-radius: 14px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 20px 56px rgba(0,0,0,0.20);
  position: relative;
}
.memory-head {
  padding: 22px 26px 16px;
  border-bottom: 1px solid var(--border-soft);
}
.memory-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.memory-sub {
  font-size: 12.5px;
  color: var(--text-3);
  line-height: 1.6;
  max-width: 580px;
}
.memory-body {
  flex: 1;
  overflow-y: auto;
  padding: 20px 26px 24px;
}
.memory-foot {
  border-top: 1px solid var(--border-soft);
  padding: 14px 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: var(--sidebar-bg);
}

.memory-input-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 9px;
  margin-bottom: 16px;
  transition: border-color 140ms;
}
.memory-input-row:focus-within { border-color: var(--ink); }
.memory-input-row svg { color: var(--text-4); flex-shrink: 0; }
.memory-input-row input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font: inherit;
  font-size: 13.5px;
  color: var(--text);
}
.memory-input-row input::placeholder { color: var(--text-5); }
.memory-input-row .memory-add-btn {
  padding: 5px 12px;
  background: var(--ink);
  color: white;
  font-size: 12px;
  font-weight: 500;
  border-radius: 5px;
  cursor: pointer;
  border: none;
}
html[data-theme="dark"] .memory-input-row .memory-add-btn { color: #14171a; }
.memory-input-row .memory-add-btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* C1 列表式（v2.1 锁定） */
body[data-mem-layout="list"] .memory-list { display: flex; flex-direction: column; gap: 1px; }
body[data-mem-layout="list"] .memory-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 4px;
  border-bottom: 1px solid var(--border-soft);
}
body[data-mem-layout="list"] .memory-item:last-child { border-bottom: none; }
body[data-mem-layout="list"] .memory-item-content { flex: 1; }
body[data-mem-layout="list"] .memory-item-text {
  font-size: 13.5px;
  color: var(--text);
  line-height: 1.6;
}
body[data-mem-layout="list"] .memory-item-meta {
  font-size: 11px;
  color: var(--text-4);
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.memory-del {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px; height: 24px;
  border-radius: 5px;
  color: var(--text-4);
  flex-shrink: 0;
  opacity: 0;
  transition: opacity 120ms;
  cursor: pointer;
  margin-left: auto;
  background: transparent;
  border: none;
}
.memory-item:hover .memory-del { opacity: 1; }
.memory-del:hover { background: var(--hover-strong); color: var(--danger); }

.memory-empty {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-4);
  font-size: 13px;
}

/* ─────────── 用户菜单"记忆"按钮 tail（计数 + 右箭头） ─────────── */
#memoryBtn { position: relative; }
.mem-btn-tail {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--text-4);
  transition: transform 160ms var(--ease), color 140ms;
}
.mem-btn-count {
  font-size: 10.5px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  padding: 1px 6px;
  border-radius: 9px;
  background: var(--hover);
  color: var(--text-3);
  transition: background 140ms, color 140ms;
}
#memoryBtn:hover .mem-btn-count,
#memoryBtn.hovering .mem-btn-count {
  background: var(--ink-soft);
  color: var(--ink);
}
#memoryBtn:hover .mem-btn-tail,
#memoryBtn.hovering .mem-btn-tail {
  color: var(--ink);
  transform: translateX(2px);
}

/* ─────────── hover 速览侧板 ─────────── */
.mem-hover-preview {
  position: fixed;
  width: 296px;
  max-height: 400px;
  overflow-y: auto;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 18px 48px rgba(0,0,0,0.16), 0 2px 6px rgba(0,0,0,0.04);
  z-index: 260;
  padding: 0;
  font-size: 12.5px;
  display: none;
  font-family: inherit;
  overflow: hidden;
}
.mem-hover-preview.open { display: flex; flex-direction: column; max-height: 400px; }
.mem-hover-preview::before {
  content: "";
  position: absolute;
  top: 0; bottom: 0;
  width: 14px;
  left: var(--bridge-x, -8px);
}
.mem-hover-head {
  padding: 14px 16px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(180deg, var(--ink-softer) 0%, transparent 100%);
  border-bottom: 1px solid var(--border-soft);
  flex-shrink: 0;
}
.mem-hover-head-title {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.01em;
}
.mem-hover-head-title svg { color: var(--ink); }
.mem-hover-head-count {
  font-size: 10.5px;
  font-weight: 500;
  color: var(--ink);
  background: var(--ink-soft);
  padding: 2px 8px;
  border-radius: 10px;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0;
}
.mem-hover-list {
  flex: 1;
  overflow-y: auto;
  padding: 6px 6px;
}
.mem-hover-list::-webkit-scrollbar { width: 4px; }
.mem-hover-list::-webkit-scrollbar-thumb { background: var(--scroll-thumb); border-radius: 2px; }
.mem-hover-item {
  padding: 9px 10px;
  display: flex;
  gap: 9px;
  align-items: flex-start;
  line-height: 1.5;
  border-radius: 8px;
  transition: background 140ms;
  position: relative;
}
.mem-hover-item:hover { background: var(--hover); }
.mem-hover-item .mem-bar {
  flex-shrink: 0;
  width: 2px;
  align-self: stretch;
  border-radius: 2px;
  background: var(--text-5);
  margin-top: 2px;
  margin-bottom: 2px;
}
.mem-hover-item span.text {
  color: var(--text-2);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: 12.5px;
  line-height: 1.55;
  flex: 1;
}
.mem-hover-item-body { flex: 1; min-width: 0; }
.mem-hover-foot {
  padding: 10px 14px 12px;
  border-top: 1px solid var(--border-soft);
  font-size: 11px;
  color: var(--text-4);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--sidebar-bg);
  flex-shrink: 0;
}
.mem-hover-foot .legend {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.mem-hover-foot .legend-item {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.mem-hover-foot .legend-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
}
.mem-hover-foot .open-full {
  color: var(--text);
  font-weight: 500;
  font-size: 11.5px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 10px;
  border-radius: 999px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  transition: all 140ms;
}
.mem-hover-foot .open-full:hover {
  background: var(--ink);
  border-color: var(--ink);
  color: white;
}
html[data-theme="dark"] .mem-hover-foot .open-full:hover { color: #14171a; }

/* ─────────── 以下为侧栏 / 项目区样式（历史遗留在 memory.css 的非记忆样式
   保留不删，避免影响其他模块；后续清理波次再迁出） ─────────── */

.proj-section-toggle {
  width:20px; height:20px; border-radius:4px;
  background:none; border:none; cursor:pointer;
  color:var(--text-4); display:flex; align-items:center; justify-content:center;
  flex-shrink:0; transition:background 120ms;
}
.proj-section-toggle:hover { background:var(--hover); color:var(--text); }