/* TalkCal - V2 三皮肤系统 [V2-01..V2-03] */
/* 默认 = light 白昼 [V2.3-04] 调更淡雅：暖灰白、细描边、柔和深灰蓝主色 */
:root {
  --bg: #fafaf9;
  --bg-elev: #ffffff;
  --text: #1f2937;
  --text-dim: #9ca3af;
  --border: #eef0f3;
  --primary: #475569;
  --primary-fg: #ffffff;
  --high: #ef4444;
  --med: #f59e0b;
  --low: #10b981;
  --glow: rgba(71, 85, 105, 0.06);
  --radius: 16px;
  --tabbar-h: 60px;
  --fab-size: 56px;
}
/* 暗夜 */
[data-skin="dark"] {
  --bg: #0f172a;
  --bg-elev: #1e293b;
  --text: #f1f5f9;
  --text-dim: #94a3b8;
  --border: #334155;
  --primary: #38bdf8;
  --primary-fg: #0f172a;
  --high: #f87171;
  --med: #fbbf24;
  --low: #34d399;
  --glow: rgba(56, 189, 248, 0.15);
}
/* 极光：紫青渐变玻璃拟态 [V2-03] */
[data-skin="aurora"] {
  --bg: #1a1033;
  --bg-elev: rgba(255, 255, 255, 0.08);
  --text: #f5f3ff;
  --text-dim: #c4b5fd;
  --border: rgba(255, 255, 255, 0.15);
  --primary: #a78bfa;
  --primary-fg: #1e1b4b;
  --high: #fb7185;
  --med: #fbbf24;
  --low: #34d399;
  --glow: rgba(167, 139, 250, 0.3);
}
[data-skin="aurora"] body,
[data-skin="aurora"] {
  background: linear-gradient(135deg, #1a1033 0%, #2d1b69 45%, #0f3460 100%);
  background-attachment: fixed;
}
[data-skin="aurora"] .app-header,
[data-skin="aurora"] .chat-dock,
[data-skin="aurora"] .tab-bar {
  background: rgba(26, 16, 51, 0.75);
  backdrop-filter: blur(16px);
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  padding-bottom: calc(var(--tabbar-h) + env(safe-area-inset-bottom));
  min-height: 100vh;
}
button { font-family: inherit; cursor: pointer; }

/* Header */
.app-header {
  position: sticky; top: 0; z-index: 5;
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 16px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}
.header-left, .header-right { display: flex; align-items: center; gap: 8px; }
#monthTitle { font-size: 20px; margin: 0; font-weight: 700; }
.btn-ghost {
  background: transparent; border: 1px solid var(--border); color: var(--text);
  padding: 6px 12px; border-radius: 999px; font-size: 14px;
}
.btn-ghost:hover { background: var(--bg-elev); }

/* Views */
#views { position: relative; }
.view { display: none; padding: 12px 16px; }
.view.active { display: block; animation: fadein .18s ease; }
@keyframes fadein { from { opacity: 0; transform: translateY(4px);} to {opacity:1; transform:none;} }
.view-title { font-size: 18px; margin: 4px 0 12px; }

/* Calendar */
.weekday-row, .calendar-grid {
  display: grid; grid-template-columns: repeat(7, 1fr); gap: 2px;
}
.weekday-row span {
  text-align: center; font-size: 12px; color: var(--text-dim); padding: 6px 0;
}
.calendar-grid { margin-bottom: 12px; }
.day-cell {
  position: relative; aspect-ratio: 1; border-radius: 10px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  font-size: 14px; cursor: pointer; border: none; background: transparent; color: var(--text);
}
.day-cell.other-month { color: var(--text-dim); opacity: .4; }
.day-cell.today { background: var(--primary); color: var(--primary-fg); font-weight: 700; }
.day-cell.selected { outline: 2px solid var(--primary); outline-offset: -2px; }
.dots { display: flex; gap: 2px; margin-top: 3px; height: 6px; }
.dot { width: 6px; height: 6px; border-radius: 50%; }
.dot.high { background: var(--high); }
.dot.med { background: var(--med); }
.dot.low { background: var(--low); }

/* Agenda */
.agenda-panel { margin-top: 8px; }
.agenda-panel h2 { font-size: 16px; margin: 8px 0; }
.agenda-list, .upcoming-list { list-style: none; padding: 0; margin: 0; }
.agenda-list li, .upcoming-list li {
  background: var(--bg-elev); border: 1px solid var(--border);
  border-left: 4px solid var(--low);
  border-radius: var(--radius); padding: 10px 12px; margin-bottom: 8px;
  display: flex; justify-content: space-between; align-items: center;
}
.agenda-list li.p-high, .upcoming-list li.p-high { border-left-color: var(--high); }
.agenda-list li.p-med, .upcoming-list li.p-med { border-left-color: var(--med); }
.agenda-list li.p-low, .upcoming-list li.p-low { border-left-color: var(--low); }
.agenda-list li .when, .upcoming-list li .when { font-size: 12px; color: var(--text-dim); }
.agenda-list li .title, .upcoming-list li .title { font-size: 15px; font-weight: 500; }
.agenda-list li .actions button, .upcoming-list li .actions button {
  background: transparent; border: none; color: var(--text-dim); font-size: 16px; padding: 4px 6px;
}
.empty-hint { color: var(--text-dim); font-size: 13px; text-align: center; padding: 24px 0; }

/* Profile / settings */
.stat-card {
  display: flex; gap: 8px; margin-bottom: 16px;
}
.stat {
  flex: 1; background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px 8px; text-align: center;
}
.stat span { font-size: 22px; font-weight: 700; display: block; }
.stat label { font-size: 12px; color: var(--text-dim); }
.profile-row {
  display: flex; justify-content: space-between; padding: 12px 0;
  border-bottom: 1px solid var(--border); font-size: 14px;
}

.setting-group {
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 10px 14px; margin-bottom: 10px;
}
.setting-group summary { cursor: pointer; font-weight: 600; padding: 4px 0; }
.field { display: block; margin: 10px 0; font-size: 13px; color: var(--text-dim); }
.field input, .field select {
  display: block; width: 100%; margin-top: 4px; padding: 10px;
  border: 1px solid var(--border); border-radius: 8px; background: var(--bg); color: var(--text);
  font-size: 14px;
}
.row { display: flex; align-items: center; gap: 8px; font-size: 14px; margin: 10px 0; }

.btn-primary {
  background: var(--primary); color: var(--primary-fg);
  border: none; padding: 10px 18px; border-radius: 999px; font-size: 14px; font-weight: 600;
}
.btn-primary.block { display: block; width: 100%; margin: 8px 0; }
.btn-ghost.block { display: block; width: 100%; margin: 8px 0; }
.saved-hint { color: var(--low); text-align: center; font-size: 13px; }

/* ============ V2.3-01 悬浮 FAB + 底部聊天面板 ============ */
.chat-fab {
  position: fixed;
  right: 18px;
  bottom: calc(var(--tabbar-h) + 20px + env(safe-area-inset-bottom));
  width: var(--fab-size); height: var(--fab-size);
  border-radius: 50%;
  background: var(--primary);
  border: none;
  box-shadow: 0 8px 24px rgba(0,0,0,0.18), 0 2px 6px rgba(0,0,0,0.08);
  cursor: grab;
  z-index: 30;
  display: flex; align-items: center; justify-content: center;
  transition: transform 180ms cubic-bezier(0.22,1,0.36,1), box-shadow 180ms ease;
  touch-action: none;
}
.chat-fab:hover { transform: scale(1.08); box-shadow: 0 12px 28px var(--glow); }
.chat-fab:active { cursor: grabbing; transform: scale(0.96); }
.chat-fab.dragging { transition: none; transform: scale(1.05); }
.fab-avatar {
  width: 78%; height: 78%;
  filter: drop-shadow(0 2px 3px rgba(0,0,0,0.15));
  pointer-events: none;
}
/* 非日历 tab 隐藏 FAB */
body:not([data-current-view="calendar"]) .chat-fab { display: none; }

/* 聊天遮罩 */
.chat-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.35);
  z-index: 35;
  opacity: 0; transition: opacity 220ms ease;
}
.chat-overlay.show { opacity: 1; }

/* 聊天面板（底部升起，半屏高） */
.chat-panel {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  max-width: 720px;
  margin: 0 auto;
  background: var(--bg-elev);
  border-top: 1px solid var(--border);
  border-radius: 20px 20px 0 0;
  box-shadow: 0 -8px 32px rgba(0,0,0,0.15);
  z-index: 40;
  display: flex; flex-direction: column;
  max-height: 70vh;
  padding-bottom: env(safe-area-inset-bottom);
  transform: translateY(100%);
  transition: transform 280ms cubic-bezier(0.22,1,0.36,1);
}
.chat-panel.show { transform: translateY(0); }
.chat-panel-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 16px 8px;
  border-bottom: 1px solid var(--border);
}
.chat-panel-title {
  display: flex; align-items: center; gap: 10px;
  font-weight: 600; font-size: 15px;
}
.head-avatar {
  width: 28px; height: 28px;
  border-radius: 50%; overflow: hidden;
  background: var(--glow);
}
.chat-close {
  background: transparent; border: none;
  color: var(--text-dim); font-size: 18px;
  width: 32px; height: 32px; border-radius: 50%;
  cursor: pointer;
}
.chat-close:hover { background: var(--glow); }

.chat-log {
  flex: 1;
  overflow-y: auto;
  padding: 10px 14px;
  display: flex; flex-direction: column; gap: 6px;
  min-height: 180px;
  max-height: 50vh;
}
.bubble {
  max-width: 85%; padding: 8px 12px; border-radius: 14px; font-size: 14px; line-height: 1.4;
}
.bubble.user { align-self: flex-end; background: var(--primary); color: var(--primary-fg); border-bottom-right-radius: 4px; }
.bubble.ai { align-self: flex-start; background: var(--bg); border: 1px solid var(--border); border-bottom-left-radius: 4px; }
.bubble.ai.priority-hi { border-left: 3px solid var(--high); }
.bubble.ai.priority-med { border-left: 3px solid var(--med); }
.bubble.ai.priority-lo { border-left: 3px solid var(--low); }
.bubble button.confirm {
  margin-top: 6px; background: var(--primary); color: var(--primary-fg);
  border: none; padding: 6px 12px; border-radius: 8px; font-size: 13px;
}
.chat-form {
  display: flex; gap: 8px;
  padding: 8px 12px calc(8px + env(safe-area-inset-bottom));
  border-top: 1px solid var(--border);
}
.chat-form input {
  flex: 1; padding: 10px 14px; border-radius: 999px;
  border: 1px solid var(--border); background: var(--bg); color: var(--text); font-size: 14px;
}

/* Tab bar */
.tab-bar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 20;
  display: flex; background: var(--bg-elev); border-top: 1px solid var(--border);
  height: calc(var(--tabbar-h) + env(safe-area-inset-bottom));
  padding-bottom: env(safe-area-inset-bottom);
}
.tab {
  flex: 1; background: transparent; border: none; color: var(--text-dim);
  font-size: 11px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
}
.tab span { font-size: 11px; }
.tab.active { color: var(--primary); }
.tab::before { content: attr(data-emoji); font-size: 18px; }

/* Desktop */
@media (min-width: 720px) {
  body { max-width: 720px; margin: 0 auto; }
  .view { padding: 16px 24px; }
}

/* ============ V2 动效层 [V2-13..V2-28] ============ */

/* [V2-17] 今日高亮呼吸微光 */
@keyframes todayPulse {
  0%, 100% { box-shadow: 0 0 0 0 var(--glow); }
  50% { box-shadow: 0 0 0 6px var(--glow); }
}
.day-cell.today { animation: todayPulse 2.4s ease-in-out infinite; }

/* [V2-15] 新增圆点 pop-in */
@keyframes dotPop {
  0% { transform: scale(0); opacity: 0; }
  60% { transform: scale(1.4); opacity: 1; }
  100% { transform: scale(1); opacity: 1; }
}
.dot { animation: dotPop 300ms cubic-bezier(0.22, 1, 0.36, 1); }

/* [V2-16] 选中环扩散 */
@keyframes ringPulse {
  0% { box-shadow: 0 0 0 0 var(--primary); }
  100% { box-shadow: 0 0 0 10px transparent; }
}
.day-cell.selected { animation: ringPulse 500ms ease-out; }

/* [V2-13] 月份切换滑入 */
@keyframes monthSlideNext {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes monthSlidePrev {
  from { opacity: 0; transform: translateX(-30px); }
  to { opacity: 1; transform: translateX(0); }
}
.calendar-grid.month-next { animation: monthSlideNext 280ms cubic-bezier(0.22, 1, 0.36, 1); }
.calendar-grid.month-prev { animation: monthSlidePrev 280ms cubic-bezier(0.22, 1, 0.36, 1); }

/* [V2-21] 气泡滑入 */
@keyframes bubbleInUser {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes bubbleInAI {
  from { opacity: 0; transform: translateX(-20px); }
  to { opacity: 1; transform: translateX(0); }
}
.bubble.user { animation: bubbleInUser 250ms cubic-bezier(0.22, 1, 0.36, 1); }
.bubble.ai { animation: bubbleInAI 250ms cubic-bezier(0.22, 1, 0.36, 1); }

/* [V2-27] 按钮 hover/press */
.btn-primary { transition: transform 150ms ease, box-shadow 150ms ease, filter 150ms ease; }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 16px var(--glow); }
.btn-primary:active { transform: translateY(0) scale(0.98); filter: brightness(0.95); }

/* [V2-24] 骨架屏 shimmer */
@keyframes shimmer {
  0% { background-position: -200px 0; }
  100% { background-position: 200px 0; }
}
.skeleton {
  background: linear-gradient(90deg, var(--bg-elev) 25%, var(--border) 50%, var(--bg-elev) 75%);
  background-size: 400px 100%;
  animation: shimmer 1.4s linear infinite;
  border-radius: 8px;
}
.calendar-grid.skeleton .day-cell { background: transparent; }
.calendar-grid.skeleton .day-cell::before {
  content: ""; display: block; width: 60%; aspect-ratio: 1;
  margin: 0 auto; border-radius: 8px; background: var(--border);
}

/* [V2-25] Tab 切换 fade */
.view.active { animation: viewFade 220ms ease; }
@keyframes viewFade {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* [V2-22] 发送按钮 loading */
.btn-primary.loading { opacity: 0.6; pointer-events: none; }

/* [V2-23] 打字机省略号 */
.typing::after {
  content: ""; display: inline-block; width: 14px; text-align: left;
  animation: dots 1.2s steps(4) infinite;
}
@keyframes dots {
  0% { content: ""; }
  25% { content: "."; }
  50% { content: ".."; }
  75% { content: "..."; }
}

/* [V2-26] tab 指示器 */
.tab { position: relative; transition: color 200ms ease; }
.tab.active::after {
  content: ""; position: absolute; bottom: 6px; left: 50%; transform: translateX(-50%);
  width: 18px; height: 3px; border-radius: 2px; background: var(--primary);
  transition: all 200ms ease;
}

/* [V2-30] 长列表性能 */
.agenda-list li, .upcoming-list li { content-visibility: auto; contain-intrinsic-size: auto 56px; }

/* 减少动效偏好 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ============ V2.1 日历悬停 [V2-32] ============ */
.day-cell {
  transition: background 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}
.day-cell:not(.today):not(.other-month):hover {
  background: var(--glow);
  transform: scale(1.08);
  box-shadow: 0 4px 12px var(--glow);
  cursor: pointer;
}
.day-cell.today:hover { transform: scale(1.06); }

.agenda-list li, .upcoming-list li {
  transition: transform 160ms ease, box-shadow 160ms ease;
}
.agenda-list li:hover, .upcoming-list li:hover {
  transform: translateX(2px);
  box-shadow: 0 4px 14px var(--glow);
}

#prevMonth:hover, #nextMonth:hover, #todayBtn:hover {
  background: var(--glow);
  border-color: var(--primary);
}

/* ============ V2.1-05 撤销 toast ============ */
.toast {
  display: flex; align-items: center; gap: 12px;
  background: var(--bg-elev, #1e293b);
  color: var(--fg, #fff);
  padding: 10px 16px; border-radius: 999px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.25);
  font-size: 14px;
  opacity: 0; transform: translateY(10px) scale(0.96);
  transition: opacity 200ms ease, transform 200ms ease;
  border: 1px solid var(--border, rgba(255,255,255,0.1));
  max-width: 90vw;
}
.toast.show { opacity: 1; transform: translateY(0) scale(1); }
.toast-text { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.toast-undo {
  background: var(--primary, #3b82f6);
  color: #fff; border: none; border-radius: 999px;
  padding: 4px 12px; font-size: 13px; cursor: pointer;
  flex-shrink: 0;
}
.toast-undo:hover { filter: brightness(1.1); }

/* ============ V2.1-01 对话内候选卡片 ============ */
.bubble .cand-list { display: flex; flex-direction: column; gap: 6px; margin-top: 8px; }
.bubble .cand {
  background: var(--bg, #fff); color: var(--fg, #111);
  border: 1px solid var(--border, #e2e8f0);
  border-radius: 10px; padding: 8px 12px; font-size: 13px;
  cursor: pointer; text-align: left; width: 100%;
  transition: transform 120ms ease, border-color 120ms ease;
}
.bubble .cand:hover { transform: translateX(2px); border-color: var(--primary, #3b82f6); }

/* ============ V2.1-04 今日议程条 ============ */
.today-strip {
  margin: 0 16px 8px; padding: 10px 14px;
  background: var(--glow, rgba(59,130,246,0.1));
  border-left: 3px solid var(--primary, #3b82f6);
  border-radius: 10px; font-size: 13px;
  display: flex; justify-content: space-between; align-items: center;
  cursor: pointer;
}
.today-strip .next { font-weight: 600; }
.today-strip .none { color: var(--muted, #64748b); }

/* 已完成事项划线 */
.agenda-list li.done .title,
.agenda-list li.done .when { text-decoration: line-through; opacity: 0.55; }
.agenda-list li.done { opacity: 0.7; }

/* ============ V2.2 快捷指令 chips ============ */
.quick-chips {
  display: flex; gap: 6px; padding: 6px 12px 0;
  overflow-x: auto; -webkit-overflow-scrolling: touch;
}
.quick-chips:empty { display: none; }
.chip {
  flex-shrink: 0;
  background: var(--glow); color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 999px; padding: 6px 12px;
  font-size: 12px; cursor: pointer; white-space: nowrap;
  transition: transform 120ms ease, background 120ms ease;
}
.chip:hover { transform: translateY(-1px); background: var(--border); }

/* 触控设备上日期格子大一点 */
@media (pointer: coarse) {
  .day-cell { min-height: 48px; font-size: 16px; }
  .tab span { font-size: 12px; }
}

/* [V2.2] 键盘焦点可见 */
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* ============ V2.3-03 机器人头像选择器 ============ */
.avatar-picker {
  display: flex; gap: 10px; flex-wrap: wrap;
  margin-top: 6px;
}
.avatar-opt {
  width: 56px; height: 56px;
  border-radius: 50%;
  border: 2px solid var(--border);
  background: var(--bg);
  padding: 6px;
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}
.avatar-opt:hover { transform: translateY(-2px); }
.avatar-opt.selected {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--glow);
}
.avatar-opt svg { width: 100%; height: 100%; }

/* ============ V2.3-02 已完成历史列表 ============ */
.section-hist {
  margin-top: 24px;
  color: var(--text-dim);
  font-size: 15px;
  font-weight: 600;
}
.done-list li {
  opacity: 0.75;
  border-left-color: var(--low) !important;
}
.done-list li .title { text-decoration: line-through; }
.done-list .done-badge {
  font-size: 11px; color: var(--low);
  background: rgba(16,185,129,0.1);
  padding: 2px 8px; border-radius: 999px;
  margin-left: 6px;
}

/* FAB 入场动效 */
@keyframes fabPop {
  0% { transform: scale(0); opacity: 0; }
  60% { transform: scale(1.1); opacity: 1; }
  100% { transform: scale(1); opacity: 1; }
}
.chat-fab { animation: fabPop 380ms cubic-bezier(0.22,1,0.36,1); }

/* 聊天面板打开时 FAB 隐藏 */
body.chat-open .chat-fab { opacity: 0; pointer-events: none; transform: scale(0.5); }


/* ===== [V2.5] 今日进度环 + 搜索浮层 ===== */
.today-ring { position: relative; width: 36px; height: 36px; display: inline-flex; align-items: center; justify-content: center; margin-right: 6px; }
.today-ring svg { transform: rotate(-90deg); }
.today-ring .ring-bg { fill: none; stroke: rgba(120,130,150,.2); stroke-width: 3; }
.today-ring .ring-fg { fill: none; stroke: #22c55e; stroke-width: 3; stroke-linecap: round; stroke-dasharray: 97.4; stroke-dashoffset: 97.4; transition: stroke-dashoffset .6s ease; }
.today-ring.all-done .ring-fg { stroke: #f59e0b; }
.ring-text { position: absolute; font-size: 9px; font-weight: 700; color: var(--text); }

.search-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.4); z-index: 200; display: flex; align-items: flex-start; justify-content: center; padding-top: 80px; backdrop-filter: blur(4px); }
.search-overlay[hidden] { display: none; }
.search-box { background: var(--bg-elev); width: min(560px, 92vw); border-radius: 16px; padding: 16px; box-shadow: 0 20px 60px rgba(0,0,0,.3); }
.search-box input { width: 100%; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--border); background: var(--bg); color: var(--text); font-size: 15px; box-sizing: border-box; }
.search-results { margin-top: 10px; max-height: 50vh; overflow-y: auto; }
.search-results .sr-item { padding: 10px; border-radius: 8px; cursor: pointer; }
.search-results .sr-item:hover { background: rgba(120,130,150,.1); }
.search-close { margin-top: 10px; width: 100%; padding: 8px; background: transparent; border: 1px solid var(--border); color: var(--text); border-radius: 8px; cursor: pointer; }