/* 活筆記 — D1 一色主義：全站唯一的強調色就是主人格當下的「情緒色」；
   每個大腦有自己的代表色（只出現在大腦列與腦內卡片） */
:root {
  --mood: #c2703d;
  --mood-soft: color-mix(in srgb, var(--mood) 14%, white);
  --mood-line: color-mix(in srgb, var(--mood) 35%, white);
  --paper: #f7f3ea;
  --paper-deep: #ece4d2;
  --ink: #2b2620;
  --ink-soft: #6f665a;
  --ink-faint: #a89d8c;
  --card: #fffdf8;
  --danger: #b3402e;
  --radius: 14px;
  --shadow: 0 2px 14px rgba(43, 38, 32, 0.07);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, "PingFang TC", "Microsoft JhengHei", "Noto Sans TC", sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
.hidden { display: none !important; }

.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding: 12px 20px;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--paper-deep);
}
.brand { display: flex; align-items: center; gap: 9px; }
.brand-orb {
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--mood);
  transition: background 1.2s ease;
  box-shadow: 0 0 0 4px var(--mood-soft);
}
.brand-name {
  font-family: "Noto Serif TC", "Songti TC", serif;
  font-size: 21px; font-weight: 700; letter-spacing: 2px;
}
.topbar-actions { display: flex; gap: 10px; align-items: center; }
.search {
  width: 240px; padding: 9px 14px; border-radius: 999px;
  border: 1px solid var(--paper-deep); background: var(--card);
  font-size: 14px; color: var(--ink); outline: none;
}
.search:focus { border-color: var(--mood); }

.btn-primary {
  background: var(--mood); color: #fff; border: none; cursor: pointer;
  padding: 9px 18px; border-radius: 999px; font-size: 14px; font-weight: 600;
  transition: background 1.2s ease, transform 0.15s ease;
  white-space: nowrap;
}
.btn-primary:hover { transform: translateY(-1px); }
.btn-primary:disabled { opacity: 0.55; cursor: wait; transform: none; }
.btn-ghost {
  background: transparent; border: 1px solid var(--paper-deep); color: var(--ink-soft);
  padding: 9px 18px; border-radius: 999px; font-size: 14px; cursor: pointer;
}
.link-btn { background: none; border: none; color: var(--ink-faint); font-size: 13px; cursor: pointer; padding: 2px 4px; }
.link-btn:hover { color: var(--mood); }

.layout {
  display: grid; grid-template-columns: 290px 1fr;
  gap: 26px; max-width: 1180px; margin: 0 auto; padding: 26px 20px 60px;
  align-items: start;
}

/* ---------- 左側 ---------- */
.side {
  position: sticky; top: 76px;
  display: flex; flex-direction: column; gap: 14px;
}
.persona-mini {
  background: var(--card); border-radius: var(--radius);
  padding: 16px; box-shadow: var(--shadow);
  border-top: 4px solid var(--mood);
  transition: border-color 1.2s ease;
  display: flex; gap: 12px; align-items: center;
}
.persona-mini-orb {
  width: 52px; height: 52px; border-radius: 50%; flex-shrink: 0;
  background: radial-gradient(circle at 32% 30%, var(--mood-soft), var(--mood));
  display: flex; align-items: center; justify-content: center; font-size: 26px;
  transition: background 1.2s ease;
  animation: breathe 4.5s ease-in-out infinite;
}
@keyframes breathe { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.05); } }
.persona-mini-orb.growing { animation: grow 1.6s ease; }
@keyframes grow {
  0% { transform: scale(1); } 35% { transform: scale(1.22); }
  70% { transform: scale(0.94); } 100% { transform: scale(1); }
}
.persona-mini-name {
  font-family: "Noto Serif TC", "Songti TC", serif;
  font-size: 17px; font-weight: 700;
}
.persona-mini-mood {
  display: inline-block; margin-top: 4px; font-size: 12px;
  color: var(--mood); background: var(--mood-soft);
  padding: 2px 10px; border-radius: 999px; font-weight: 600;
  transition: background 1.2s ease, color 1.2s ease;
}
.persona-mini-greeting { font-size: 13px; color: var(--ink-soft); margin: 0; padding: 0 2px; }

.brains-head {
  display: flex; justify-content: space-between; align-items: center;
  font-weight: 700; font-size: 14.5px; padding: 0 2px;
}
.brains-count { font-size: 12px; color: var(--ink-faint); font-weight: 400; }
.brain-list { display: flex; flex-direction: column; gap: 7px; }
.brain-row {
  display: flex; align-items: center; gap: 10px;
  background: var(--card); border: 1px solid transparent; border-radius: 12px;
  padding: 9px 12px; cursor: pointer; text-align: left; width: 100%;
  font-size: 14px; color: var(--ink); font-family: inherit;
  transition: transform 0.15s ease, border-color 0.2s ease;
}
.brain-row:hover { transform: translateX(2px); }
.brain-row.active { border-color: var(--brain-color, var(--mood)); background: #fff; }
.brain-dot {
  width: 34px; height: 34px; border-radius: 50%; flex-shrink: 0;
  background: var(--brain-color, var(--paper-deep));
  display: flex; align-items: center; justify-content: center; font-size: 18px;
}
.brain-row-name { flex: 1; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.brain-row-meta { font-size: 11.5px; color: var(--ink-faint); white-space: nowrap; }
.brain-row.all .brain-dot { background: var(--paper-deep); }
.brain-row.inbox .brain-dot { background: #e8e0cd; }
.brain-new { animation: pop 0.6s ease; }
@keyframes pop { 0% { transform: scale(0.85); } 60% { transform: scale(1.04); } 100% { transform: scale(1); } }

.btn-absorb {
  width: 100%; padding: 11px; border-radius: 12px; cursor: pointer;
  background: var(--mood); color: #fff; border: none;
  font-size: 14px; font-weight: 700; letter-spacing: 1px;
  transition: background 1.2s ease, transform 0.15s ease;
}
.btn-absorb:hover { transform: translateY(-1px); }
.btn-absorb:disabled { opacity: 0.55; cursor: wait; transform: none; }
.side-stats { display: flex; gap: 16px; font-size: 12.5px; color: var(--ink-faint); padding: 0 2px; }
.side-stats b { color: var(--mood); font-size: 15px; transition: color 1.2s ease; }

/* ---------- 腦內詳情 ---------- */
.brain-detail {
  background: var(--card); border-radius: var(--radius);
  padding: 20px 22px; margin-bottom: 18px; box-shadow: var(--shadow);
  border-top: 5px solid var(--brain-color, var(--mood));
}
.brain-detail-head { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.brain-detail-emoji { font-size: 34px; }
.brain-detail-name {
  font-family: "Noto Serif TC", "Songti TC", serif;
  font-size: 22px; font-weight: 700; margin: 0;
}
.brain-detail-desc { font-size: 13px; color: var(--ink-faint); margin: 0; }
.brain-level { margin-left: auto; font-size: 12px; color: var(--ink-soft); white-space: nowrap; }
.brain-level .dots { letter-spacing: 2px; color: var(--brain-color, var(--mood)); }
.brain-summary { font-size: 14px; color: var(--ink-soft); margin: 10px 0; }
.brain-gaps { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin-top: 8px; }
.gaps-label { font-size: 12.5px; color: var(--ink-faint); }
.gap-chip {
  font-size: 12px; color: var(--ink-soft);
  border: 1px dashed var(--ink-faint); border-radius: 999px; padding: 2px 10px;
}
.brain-born { font-size: 12px; color: var(--ink-faint); margin-top: 10px; }

/* ---------- 筆記 ---------- */
.filter-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; align-items: center; }
.chip {
  border: 1px solid var(--paper-deep); background: var(--card); color: var(--ink-soft);
  border-radius: 999px; padding: 6px 14px; font-size: 13px; cursor: pointer;
}
.chip.active { background: var(--ink); color: var(--paper); border-color: var(--ink); }

.notes-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.note-card {
  background: var(--card); border-radius: var(--radius); padding: 18px;
  box-shadow: var(--shadow); border-left: 4px solid var(--mood-line);
  transition: border-color 1.2s ease, transform 0.15s ease;
  display: flex; flex-direction: column; gap: 10px;
}
.note-card:hover { transform: translateY(-2px); }
.note-card.synth {
  border-left-style: dashed;
  background: linear-gradient(180deg, var(--card), var(--mood-soft));
}
.note-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 8px; }
.note-type { font-size: 12px; color: var(--ink-faint); }
.note-date { font-size: 12px; color: var(--ink-faint); white-space: nowrap; }
.note-title { font-size: 16.5px; font-weight: 700; margin: 0; line-height: 1.5; }
.note-title a { color: var(--ink); text-decoration: none; }
.note-title a:hover { color: var(--mood); }
.note-summary { font-size: 14px; color: var(--ink-soft); margin: 0; }
.note-points { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 7px; }
.note-points li { font-size: 13.5px; padding-left: 20px; position: relative; color: var(--ink); }
.note-points li::before {
  content: ""; position: absolute; left: 2px; top: 9px;
  width: 8px; height: 8px; border-radius: 50%; background: var(--mood);
  transition: background 1.2s ease;
}
.note-points.collapsed li:nth-child(n+3) { display: none; }
.points-toggle {
  background: none; border: none; color: var(--mood); font-size: 12.5px;
  cursor: pointer; padding: 0; align-self: flex-start;
}
.note-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.note-tag { font-size: 12px; color: var(--mood); background: var(--mood-soft); border-radius: 999px; padding: 2px 10px; }
.note-brain { font-size: 12px; color: var(--ink-faint); }
.note-actions { display: flex; gap: 8px; margin-top: auto; padding-top: 6px; border-top: 1px dashed var(--paper-deep); }
.note-actions button { background: none; border: none; font-size: 12.5px; color: var(--ink-faint); cursor: pointer; padding: 4px 2px; }
.note-actions button:hover { color: var(--mood); }
.note-actions button.danger:hover { color: var(--danger); }

.empty-state { text-align: center; padding: 70px 20px; color: var(--ink-soft); }
.empty-emoji { font-size: 52px; margin-bottom: 12px; }
.empty-state h2 { font-family: "Noto Serif TC", serif; font-size: 24px; margin: 0 0 10px; color: var(--ink); }
.empty-state p { font-size: 14.5px; margin: 0 0 20px; }

/* ---------- 聊天 ---------- */
.chat-fab {
  position: fixed; right: 22px; bottom: 22px; z-index: 30;
  width: 58px; height: 58px; border-radius: 50%; border: none; cursor: pointer;
  background: var(--mood); font-size: 26px; color: #fff;
  box-shadow: 0 6px 22px color-mix(in srgb, var(--mood) 45%, transparent);
  transition: background 1.2s ease, transform 0.15s ease;
}
.chat-fab:hover { transform: scale(1.06); }
.chat-panel {
  position: fixed; right: 22px; bottom: 92px; z-index: 30;
  width: min(380px, calc(100vw - 32px)); height: 480px; max-height: 70vh;
  background: var(--card); border-radius: 18px; box-shadow: 0 12px 44px rgba(43,38,32,0.18);
  display: flex; flex-direction: column; overflow: hidden;
  border-top: 4px solid var(--mood);
}
.chat-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 13px 16px; border-bottom: 1px solid var(--paper-deep);
  font-weight: 700; font-size: 15px;
}
.chat-close { background: none; border: none; font-size: 15px; cursor: pointer; color: var(--ink-faint); }
.chat-body { flex: 1; overflow-y: auto; padding: 14px; display: flex; flex-direction: column; gap: 10px; }
.msg { max-width: 86%; padding: 9px 13px; border-radius: 14px; font-size: 14px; line-height: 1.6; white-space: pre-wrap; }
.msg.user { align-self: flex-end; background: var(--mood); color: #fff; border-bottom-right-radius: 4px; }
.msg.bot { align-self: flex-start; background: var(--paper-deep); color: var(--ink); border-bottom-left-radius: 4px; }
.msg.typing { color: var(--ink-faint); }
.chat-input-row { display: flex; gap: 8px; padding: 12px; border-top: 1px solid var(--paper-deep); }
.chat-input-row input {
  flex: 1; border: 1px solid var(--paper-deep); border-radius: 999px;
  padding: 9px 14px; font-size: 14px; outline: none; background: #fff; min-width: 0;
}
.chat-input-row input:focus { border-color: var(--mood); }

/* ---------- 對話框 ---------- */
.modal-backdrop {
  position: fixed; inset: 0; z-index: 40; background: rgba(43, 38, 32, 0.42);
  display: flex; align-items: center; justify-content: center; padding: 18px;
}
.modal {
  background: var(--card); border-radius: 18px; padding: 22px;
  width: min(520px, 100%); box-shadow: 0 18px 60px rgba(43,38,32,0.25);
  border-top: 4px solid var(--mood);
}
.modal-tabs { display: flex; gap: 8px; margin-bottom: 16px; }
.modal-tab {
  flex: 1; padding: 10px; border-radius: 10px; border: 1px solid var(--paper-deep);
  background: transparent; font-size: 14px; cursor: pointer; color: var(--ink-soft);
}
.modal-tab.active { background: var(--mood-soft); border-color: var(--mood); color: var(--ink); font-weight: 700; }
.modal-pane input[type="url"], .modal-pane input[type="text"], .modal-pane textarea {
  width: 100%; border: 1px solid var(--paper-deep); border-radius: 10px;
  padding: 11px 13px; font-size: 14px; outline: none; background: #fff; color: var(--ink);
  font-family: inherit;
}
.modal-pane input:focus, .modal-pane textarea:focus { border-color: var(--mood); }
.modal-pane textarea { resize: vertical; margin-top: 10px; }
.modal-note { font-size: 12.5px; color: var(--ink-faint); margin: 10px 2px 0; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }
.modal-loading { display: flex; align-items: center; gap: 10px; margin-top: 14px; font-size: 13.5px; color: var(--ink-soft); }
.modal-pipeline { margin-top: 12px; display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--ink-soft); }
.pipeline-step.done { color: var(--mood); }
.spinner {
  width: 18px; height: 18px; border-radius: 50%; flex-shrink: 0;
  border: 2.5px solid var(--mood-soft); border-top-color: var(--mood);
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Toast ---------- */
.toasts {
  position: fixed; left: 50%; bottom: 26px; transform: translateX(-50%);
  z-index: 60; display: flex; flex-direction: column; gap: 8px; align-items: center;
  pointer-events: none; width: max-content; max-width: calc(100vw - 40px);
}
.toast {
  background: var(--ink); color: var(--paper);
  padding: 11px 20px; border-radius: 999px; font-size: 14px;
  box-shadow: 0 8px 26px rgba(43,38,32,0.3);
  animation: toastIn 0.35s ease;
  max-width: 100%;
}
.toast.out { animation: toastOut 0.3s ease forwards; }
@keyframes toastIn { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
@keyframes toastOut { to { opacity: 0; transform: translateY(10px); } }

.foot {
  max-width: 1180px; margin: 0 auto; padding: 18px 20px 34px;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 13px; color: var(--ink-faint);
  border-top: 1px solid var(--paper-deep);
}

@media (max-width: 860px) {
  .layout { grid-template-columns: 1fr; gap: 20px; padding: 18px 14px 50px; }
  .side { position: static; }
  .brain-list { flex-direction: row; overflow-x: auto; padding-bottom: 4px; }
  .brain-row { width: auto; flex-shrink: 0; }
  .brain-row-name { max-width: 90px; }
  .search { width: 130px; }
  .topbar { padding: 10px 14px; }
  .brand-name { font-size: 18px; }
  .notes-grid { grid-template-columns: 1fr; }
  .chat-panel { right: 12px; bottom: 88px; }
  .chat-fab { right: 14px; bottom: 18px; }
}
@media (prefers-reduced-motion: reduce) {
  .persona-mini-orb { animation: none; }
  * { transition-duration: 0.01ms !important; }
}

/* ---------- 動畫 ---------- */
@keyframes cardIn {
  from { opacity: 0; transform: translateY(16px) scale(0.98); }
  to { opacity: 1; transform: none; }
}
.note-card { animation: cardIn 0.45s cubic-bezier(0.22, 1, 0.36, 1) backwards; }
@keyframes modalIn {
  from { opacity: 0; transform: translateY(18px) scale(0.96); }
  to { opacity: 1; transform: none; }
}
.modal-backdrop:not(.hidden) .modal { animation: modalIn 0.32s cubic-bezier(0.22, 1, 0.36, 1); }
@keyframes msgIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}
.msg { animation: msgIn 0.25s ease; }
@keyframes brainDetailIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: none; }
}
.brain-detail:not(.hidden) { animation: brainDetailIn 0.35s ease; }
@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-3px); }
}
.brain-dot { animation: floaty 3.6s ease-in-out infinite; }
.brain-row:nth-child(2n) .brain-dot { animation-delay: -1.2s; }
.brain-row:nth-child(3n) .brain-dot { animation-delay: -2.4s; }
.persona-mini-orb.working { animation: grow 1.2s ease-in-out infinite; }

/* ---------- 簡約：卡片操作收起來 ---------- */
.note-card { position: relative; }
.note-del {
  position: absolute; top: 8px; right: 10px;
  background: none; border: none; cursor: pointer;
  color: var(--ink-faint); font-size: 16px; line-height: 1;
  opacity: 0; transition: opacity 0.2s ease, color 0.2s ease;
  padding: 6px;
}
.note-card:hover .note-del { opacity: 0.7; }
.note-del:hover { opacity: 1 !important; color: var(--danger); }
.note-del.confirming { opacity: 1 !important; color: #fff; background: var(--danger);
  border-radius: 999px; font-size: 12px; padding: 6px 10px; font-weight: 700; }
@media (hover: none) { .note-del { opacity: 0.5; } }
.note-actions { display: none; }
.note-actions.has-actions { display: flex; }
.note-actions .btn-mini {
  background: var(--mood-soft); color: var(--ink); border: none;
  border-radius: 999px; padding: 7px 14px; font-size: 13px; cursor: pointer;
  font-weight: 600;
}
.note-actions .btn-mini.ghost { background: transparent; color: var(--ink-faint); font-weight: 400; }

/* 抓不到內容的卡片 */
.note-card.needs-help {
  border-left: 4px dashed var(--ink-faint);
  background: linear-gradient(180deg, var(--card), #f3eee1);
}
.needs-help-msg {
  font-size: 13.5px; color: var(--ink-soft);
  background: rgba(43, 38, 32, 0.05); border-radius: 10px; padding: 10px 12px; margin: 0;
}
.needs-help-msg b { color: var(--ink); }

.auto-hint { font-size: 12px; color: var(--ink-faint); margin: 0; padding: 0 2px; text-align: center; }
.supp-title { font-family: "Noto Serif TC", serif; font-size: 19px; margin: 0 0 6px; }