/* ============================================================
   小熹 AI 疗愈伴侣 · 深色沉浸主题 v4.0
   设计理念：Pi 式"懂你式陪伴"
   色板：深褐底 #1A1614 / 卡片 #2A2420 / 文字 #F5EDE6 / 主色 #E8823C
   ============================================================ */

/* --- 全局重置 & 变量 --- */
:root {
  --c-bg:       #1A1614;
  --c-card:     #2A2420;
  --c-card2:    #352F2A;
  --c-text:     #F5EDE6;
  --c-text2:    #B8AFA6;
  --c-primary:  #E8823C;
  --c-primary2: #DFA64A;
  --c-danger:   #E85D5D;
  --c-success:  #5DAE72;
  --ff-base:    'LXGW WenKai', -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --ff-title:   'LXGW WenKai', Georgia, serif;
  --sp-xs:      4px;  --sp-sm: 8px;  --sp-md: 16px;  --sp-lg: 24px;  --sp-xl: 36px;
  --r-sm:       8px;  --r-md: 12px;  --r-lg: 16px;  --r-xl: 20px;  --r-full: 999px;
  --dur:        .25s ease;
  --header-h:   56px;
  --progress-h: 56px;
  --input-h:    110px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--ff-base);
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.6;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a   { color: var(--c-primary); text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input  { font-family: inherit; }

/* --- 合规提示条 --- */
.disclaimer-bar {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
  padding: 6px var(--sp-md);
  background: rgba(232,93,93,.12);
  border-bottom: 1px solid rgba(232,93,93,.25);
  font-size: 12px;
  color: #E8A0A0;
  line-height: 1.4;
  transition: max-height var(--dur), padding var(--dur), opacity var(--dur);
  max-height: 60px;
  overflow: hidden;
}
.disclaimer-bar.collapsed {
  max-height: 0;
  padding-top: 0;
  padding-bottom: 0;
  opacity: 0;
  border-bottom-width: 0;
}
.disclaimer-bar b { color: #F5C0C0; }
.disclaimer-bar__close {
  flex-shrink: 0;
  width: 24px; height: 24px;
  font-size: 14px;
  color: #E8A0A0;
  border-radius: 50%;
  display: grid; place-items: center;
}
.disclaimer-bar__close:hover { background: rgba(232,93,93,.2); }

/* --- 顶部导航 --- */
.companion-header {
  flex-shrink: 0;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--sp-md);
  background: var(--c-card);
  border-bottom: 1px solid rgba(232,130,60,.15);
  backdrop-filter: blur(12px);
  z-index: 10;
}
.companion-header__back {
  display: grid; place-items: center;
  width: 36px; height: 36px;
  border-radius: var(--r-sm);
  color: var(--c-text2);
  transition: background var(--dur);
}
.companion-header__back:hover { background: var(--c-card2); }

.companion-header__identity {
  display: flex; align-items: center; gap: 10px;
}
.companion-header__avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 2px solid var(--c-primary);
  object-fit: cover;
}
.companion-header__name {
  font-size: 15px; font-weight: 700; color: var(--c-text);
}
.companion-header__status {
  font-size: 11px; color: var(--c-success); letter-spacing: .5px;
}
.companion-header__menu {
  display: grid; place-items: center;
  width: 36px; height: 36px;
  border-radius: var(--r-sm);
  color: var(--c-text2);
  transition: background var(--dur);
}
.companion-header__menu:hover { background: var(--c-card2); }

/* --- 21 天进度条 --- */
.progress-bar {
  flex-shrink: 0;
  padding: 6px var(--sp-md) 8px;
  background: var(--c-card);
  border-bottom: 1px solid rgba(232,130,60,.1);
}
.progress-bar__info {
  display: flex; justify-content: space-between;
  margin-bottom: 2px; font-size: 11px;
}
.progress-bar__phase { color: var(--c-primary); font-weight: 600; letter-spacing: .5px; }
.progress-bar__day { color: var(--c-text2); }

.progress-bar__track {
  position: relative; height: 6px;
  background: var(--c-card2); border-radius: 3px;
  overflow: visible;
}
.progress-bar__fill {
  height: 100%; border-radius: 3px;
  background: linear-gradient(90deg, var(--c-primary), var(--c-primary2));
  transition: width .6s ease;
  position: relative;
}
.progress-bar__fill::after {
  content: '';
  position: absolute; right: -3px; top: 50%;
  transform: translateY(-50%);
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--c-primary2);
  box-shadow: 0 0 8px rgba(232,130,60,.5);
}
.progress-bar__markers {
  position: absolute; top: 0; left: 0; right: 0;
  pointer-events: none;
}
.progress-bar__marker {
  position: absolute; top: -2px;
  width: 2px; height: 10px;
  background: rgba(245,237,230,.2);
  font-size: 0;
}
.progress-bar__marker::after {
  content: attr(data-day);
  position: absolute; top: 12px; left: 50%;
  transform: translateX(-50%);
  font-size: 9px; color: var(--c-text2);
  white-space: nowrap;
}
.progress-bar__theme {
  margin-top: 4px; font-size: 11px;
  color: var(--c-primary2); font-weight: 600;
  letter-spacing: .5px; text-align: center;
}

/* --- 侧边面板 --- */
.side-panel__overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.6); z-index: 90;
  opacity: 0; pointer-events: none;
  transition: opacity .3s ease;
}
.side-panel--open .side-panel__overlay { opacity: 1; pointer-events: auto; }

.side-panel__content {
  position: fixed; top: 0; right: 0;
  width: 300px; max-width: 85vw; height: 100%;
  background: var(--c-card); z-index: 91;
  transform: translateX(100%);
  transition: transform .3s ease;
  overflow-y: auto;
  border-left: 1px solid rgba(232,130,60,.15);
}
.side-panel--open .side-panel__content { transform: translateX(0); }

.side-panel__header {
  display: flex; align-items: center;
  justify-content: space-between;
  padding: var(--sp-md) var(--sp-lg);
  border-bottom: 1px solid rgba(232,130,60,.15);
}
.side-panel__header h3 { font-size: 16px; font-weight: 700; color: var(--c-text); }
.side-panel__close {
  width: 28px; height: 28px; font-size: 16px;
  border-radius: 50%; display: grid; place-items: center;
  color: var(--c-text2);
}
.side-panel__close:hover { background: var(--c-card2); }

.side-panel__body {
  padding: var(--sp-md);
  display: flex; flex-direction: column; gap: var(--sp-md);
}

.panel-card {
  background: var(--c-bg); border-radius: var(--r-md);
  padding: var(--sp-md);
}
.panel-card__title {
  font-size: 14px; font-weight: 700;
  margin-bottom: var(--sp-sm); color: var(--c-text);
}
.panel-card__desc {
  font-size: 12px; color: var(--c-text2);
  margin-bottom: var(--sp-sm);
}

.panel-emergency-list {
  display: flex; flex-direction: column; gap: 6px;
}
.panel-emergency-btn {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 12px; border-radius: var(--r-sm);
  background: var(--c-card2); font-size: 13px;
  color: var(--c-text); transition: background var(--dur);
  text-align: left;
}
.panel-emergency-btn:hover { background: rgba(232,130,60,.2); }

.panel-audio-list {
  display: flex; flex-wrap: wrap; gap: 6px;
}
.panel-audio-tag {
  padding: 3px 8px; border-radius: var(--r-full);
  background: var(--c-card2); font-size: 11px;
  color: var(--c-primary2); white-space: nowrap;
}

.panel-link {
  display: block; padding: 8px 12px; border-radius: var(--r-sm);
  background: var(--c-card2); font-size: 13px;
  color: var(--c-primary); margin-top: 6px;
  transition: background var(--dur);
}
.panel-link:hover { background: rgba(232,130,60,.2); }

.panel-card--muted { opacity: .6; }
.panel-reset-btn {
  width: 100%; padding: 8px; border-radius: var(--r-sm);
  border: 1px solid rgba(232,93,93,.3);
  color: var(--c-danger); font-size: 12px;
  transition: background var(--dur);
}
.panel-reset-btn:hover { background: rgba(232,93,93,.1); }

/* --- 对话区 --- */
.chat-area {
  flex: 1; overflow: hidden; position: relative;
  background:
    radial-gradient(600px 400px at 80% 90%, rgba(232,130,60,.04), transparent),
    radial-gradient(500px 350px at 20% 10%, rgba(223,166,74,.03), transparent),
    var(--c-bg);
}

.chat-messages {
  height: 100%; overflow-y: auto;
  padding: var(--sp-lg) var(--sp-md);
  display: flex; flex-direction: column; gap: var(--sp-md);
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  padding-bottom: var(--sp-xl);
}

/* 消息气泡 */
.msg {
  display: flex; gap: 8px;
  max-width: 88%;
  animation: msgIn .35s ease both;
}
@keyframes msgIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.msg--bot { align-self: flex-start; }
.msg--user { align-self: flex-end; flex-direction: row-reverse; }

.msg__avatar {
  width: 32px; height: 32px; border-radius: 50%;
  flex-shrink: 0; object-fit: cover;
  border: 2px solid var(--c-primary);
}
.msg__avatar--user {
  border-color: var(--c-card2);
  background: var(--c-card2);
  display: grid; place-items: center;
  font-size: 14px; color: var(--c-text2);
}

.msg__bubble {
  padding: 10px 14px; border-radius: var(--r-lg);
  font-size: 14px; line-height: 1.65;
}
.msg--bot .msg__bubble {
  background: var(--c-card);
  border-bottom-left-radius: 4px;
  color: var(--c-text);
}
.msg--user .msg__bubble {
  background: linear-gradient(135deg, var(--c-primary), #D97A45);
  border-bottom-right-radius: 4px;
  color: #fff;
}

/* 情绪标签 */
.msg__day-tag {
  display: inline-block; font-size: 10px;
  font-weight: 700; color: var(--c-primary2);
  letter-spacing: .5px; margin-bottom: 4px;
  padding: 2px 8px; background: rgba(223,166,74,.1);
  border-radius: var(--r-full);
}

/* 系统消息 */
.msg--system { align-self: center; max-width: 90%; }
.msg--system .msg__bubble {
  background: none; padding: 6px 12px;
  font-size: 12px; color: var(--c-text2);
  text-align: center; border-radius: var(--r-full);
  border: 1px dashed rgba(245,237,230,.15);
}

/* ═══════════════════════════════════════════
   音频播放器（内嵌在聊天气泡中）
   ═══════════════════════════════════════════ */
.msg--audio .msg__bubble {
  background: var(--c-card);
  border-bottom-left-radius: 4px;
  padding: 6px;
}
.msg__bubble--audio {
  min-width: 240px;
}

.audio-card {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px;
  background: rgba(232,130,60,.08);
  border: 1px solid rgba(232,130,60,.2);
  border-radius: var(--r-md);
}
.audio-card__icon {
  font-size: 24px; flex-shrink: 0;
  line-height: 1;
}
.audio-card__info { flex: 1; min-width: 0; }
.audio-card__name {
  font-size: 13px; font-weight: 600;
  color: var(--c-text);
  white-space: nowrap; overflow: hidden;
  text-overflow: ellipsis;
}
.audio-card__meta {
  font-size: 11px; color: var(--c-text2);
  margin-top: 2px;
}
.audio-card__play {
  width: 36px; height: 36px; flex-shrink: 0;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--c-primary), #D97A45);
  color: #fff;
  display: grid; place-items: center;
  transition: transform var(--dur), box-shadow var(--dur);
}
.audio-card__play:hover {
  transform: scale(1.08);
  box-shadow: 0 4px 16px rgba(232,130,60,.35);
}
.audio-card__play:active { transform: scale(.95); }

.audio-progress {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 14px;
  margin-top: 6px;
  background: rgba(232,130,60,.05);
  border-radius: var(--r-sm);
}
.audio-progress__bar {
  flex: 1; height: 4px;
  background: var(--c-card2); border-radius: 2px;
  overflow: hidden;
}
.audio-progress__fill {
  height: 100%; border-radius: 2px;
  background: linear-gradient(90deg, var(--c-primary), var(--c-primary2));
  transition: width .3s linear;
  width: 0%;
}
.audio-progress__time {
  font-size: 11px; color: var(--c-text2);
  min-width: 36px; text-align: right;
  font-variant-numeric: tabular-nums;
}
.audio-progress__pause {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--c-card2); color: var(--c-text);
  font-size: 12px; display: grid; place-items: center;
  transition: background var(--dur);
}
.audio-progress__pause:hover { background: rgba(232,130,60,.2); }
.audio-card--pending { opacity: .6; }
.audio-card--pending .audio-card__play { opacity: .35; pointer-events: none; }
.audio-card__note {
  margin-top: 8px; font-size: 12px; color: var(--c-text2);
  letter-spacing: .02em;
}

/* 打字指示器 */
.typing-indicator {
  display: flex; gap: 4px;
  padding: 10px 14px;
  background: var(--c-card);
  border-radius: var(--r-lg);
  border-bottom-left-radius: 4px;
  align-self: flex-start; margin-left: 40px;
}
.typing-indicator span {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--c-text2);
  animation: typingBounce .6s ease infinite;
}
.typing-indicator span:nth-child(2) { animation-delay: .15s; }
.typing-indicator span:nth-child(3) { animation-delay: .3s; }
@keyframes typingBounce {
  0%, 80%, 100% { transform: scale(.6); opacity: .4; }
  40% { transform: scale(1); opacity: 1; }
}

/* --- 急救胶囊 + 输入区 --- */
.chat-input-area {
  flex-shrink: 0;
  background: var(--c-card);
  border-top: 1px solid rgba(232,130,60,.15);
  padding: var(--sp-sm) var(--sp-md) var(--sp-sm);
}

.quick-pills {
  display: flex; gap: 6px;
  overflow-x: auto;
  padding-bottom: var(--sp-sm);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.quick-pills::-webkit-scrollbar { display: none; }

.quick-pill {
  flex-shrink: 0;
  padding: 5px 12px; border-radius: var(--r-full);
  background: var(--c-bg);
  border: 1px solid rgba(232,130,60,.25);
  font-size: 12px; color: var(--c-primary);
  white-space: nowrap; transition: all var(--dur);
}
.quick-pill:hover, .quick-pill:active {
  background: rgba(232,130,60,.15);
  border-color: var(--c-primary);
}

.chat-input-row {
  display: flex; gap: 8px; align-items: center;
}

.chat-input {
  flex: 1; height: 40px; padding: 0 14px;
  border-radius: var(--r-full);
  border: 1px solid rgba(245,237,230,.12);
  background: var(--c-bg); color: var(--c-text);
  font-size: 14px; outline: none;
  transition: border-color var(--dur);
}
.chat-input::placeholder { color: var(--c-text2); }
.chat-input:focus { border-color: var(--c-primary); }

.chat-send {
  width: 40px; height: 40px; border-radius: 50%;
  background: linear-gradient(135deg, var(--c-primary), #D97A45);
  color: #fff; display: grid; place-items: center;
  flex-shrink: 0; transition: transform var(--dur), box-shadow var(--dur);
}
.chat-send:hover {
  transform: scale(1.08);
  box-shadow: 0 4px 16px rgba(232,130,60,.35);
}
.chat-send:active { transform: scale(.95); }

.chat-input-hint {
  text-align: center; font-size: 10px;
  color: var(--c-text2); margin-top: 4px; opacity: .6;
}

/* --- 响应式 --- */
@media (min-width: 768px) {
  .chat-messages { padding: var(--sp-xl) var(--sp-lg); }
  .msg { max-width: 65%; }
  .chat-input-area { padding: var(--sp-md) var(--sp-lg); }
  .chat-input { height: 44px; font-size: 15px; }
  .chat-send { width: 44px; height: 44px; }
}

@media (min-width: 1200px) {
  .chat-messages {
    max-width: 780px; margin: 0 auto;
    padding: var(--sp-xl) var(--sp-xl);
  }
}

/* --- 危机转介弹窗 --- */
.crisis-modal {
  position: fixed; inset: 0; z-index: 100;
  display: grid; place-items: center;
  background: rgba(0,0,0,.7);
  animation: fadeIn .3s ease;
}
.crisis-modal__card {
  background: var(--c-card); border-radius: var(--r-xl);
  padding: var(--sp-xl); max-width: 380px; width: 90%;
  text-align: center; border: 1px solid rgba(232,93,93,.3);
}
.crisis-modal__icon { font-size: 40px; margin-bottom: var(--sp-md); }
.crisis-modal__title {
  font-size: 18px; font-weight: 700;
  color: var(--c-danger); margin-bottom: var(--sp-sm);
}
.crisis-modal__desc {
  font-size: 13px; color: var(--c-text2);
  margin-bottom: var(--sp-lg); line-height: 1.6;
}
.crisis-modal__btn {
  display: block; width: 100%; padding: 12px;
  border-radius: var(--r-md); font-size: 14px;
  font-weight: 600; margin-bottom: var(--sp-sm);
  transition: background var(--dur);
}
.crisis-modal__btn--primary { background: var(--c-danger); color: #fff; }
.crisis-modal__btn--primary:hover { background: #D04E4E; }
.crisis-modal__btn--secondary { background: var(--c-card2); color: var(--c-text); }
.crisis-modal__btn--secondary:hover { background: rgba(232,130,60,.2); }

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}