/* ===== RESET & ROOT ===== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg-warm: #FAF6F0;
  --bg-alt: #F0EBE3;
  --bg-card: #FFFFFF;
  --text: #2C1810;
  --text-soft: #6B5A4E;
  --text-muted: #9A8A7E;
  --accent: #D4815A;
  --accent-light: #F0A88B;
  --bubble-other: #FFFFFF;
  --bubble-user: #D4815A;
  --bubble-user-text: #FFFFFF;
  --border: #E8DDD4;
  --shadow: 0 2px 12px rgba(44,24,16,0.08);
  --shadow-lg: 0 8px 32px rgba(44,24,16,0.15);
  --radius: 20px;
  --radius-sm: 12px;
  --font: 'Noto Sans HK','PingFang HK','Microsoft YaHei',sans-serif;
  --transition: 0.4s cubic-bezier(0.4,0,0.2,1);
  --max-w: 720px;
  --safe-t: env(safe-area-inset-top, 0px);
  --safe-b: env(safe-area-inset-bottom, 0px);
  --safe-l: env(safe-area-inset-left, 0px);
  --safe-r: env(safe-area-inset-right, 0px);
  --header-h: 56px;
  --crisis-bg: #0D0221;
  --crisis-text: #E8E0F0;
  --crisis-border: rgba(155,126,216,0.3);
  --task-bg: #FFFDF7;
}

/* ===== DARK MODE ===== */
body.dark{
  --bg-warm: #1A1A1A;
  --bg-alt: #252525;
  --bg-card: #2A2A2A;
  --text: #E8E0F0;
  --text-soft: #B0A8C0;
  --text-muted: #7A7280;
  --accent: #E8A080;
  --accent-light: #A07060;
  --bubble-other: #2A2A2A;
  --bubble-user: #E8A080;
  --bubble-user-text: #1A1A1A;
  --border: #3A3A3A;
  --shadow: 0 2px 12px rgba(0,0,0,0.3);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.4);
  --task-bg: #252525;
}

html,body{
  height:100%;height:100dvh;
  font-family:var(--font);
  background:var(--bg-warm);
  color:var(--text);
  overflow:hidden;
  -webkit-font-smoothing:antialiased;
  -webkit-tap-highlight-color:transparent;
  transition:background var(--transition),color var(--transition);
}
.screen{
  position:fixed;
  top:0;left:0;right:0;
  height:100%;height:100dvh;
  overflow:hidden;
}

/* ===== HOME SCREEN ===== */
.home-screen{
  display:flex;flex-direction:column;
  z-index:100;
  animation:welcomeFadeIn 0.6s ease;
}
@keyframes welcomeFadeIn{from{opacity:0;transform:translateY(12px)}}
.home-bg{
  position:fixed;top:0;left:0;right:0;bottom:0;
  background:linear-gradient(180deg,var(--bg-warm),var(--bg-alt));
  z-index:-1;
}
.home-header{
  display:flex;align-items:center;gap:12px;
  padding:calc(20px + var(--safe-t)) calc(24px + var(--safe-r)) 8px calc(24px + var(--safe-l));
  flex-shrink:0;
}
.home-icon{font-size:1.6rem;color:var(--accent)}
.home-title{font-size:1.4rem;font-weight:900;flex:1}
.home-header-right{display:flex;align-items:center;gap:4px;flex-shrink:0}
.home-theme-btn{
  width:40px;height:40px;border-radius:50%;border:1.5px solid var(--border);
  background:transparent;cursor:pointer;font-size:1rem;
  display:flex;align-items:center;justify-content:center;
  transition:all var(--transition);color:var(--text-soft);
  -webkit-tap-highlight-color:transparent;
}
.home-theme-btn:active{background:var(--border);transform:scale(0.9)}
.home-content{
  flex:1;overflow-y:auto;
  padding:16px calc(16px + var(--safe-r)) calc(16px + var(--safe-b)) calc(16px + var(--safe-l));
  -webkit-overflow-scrolling:touch;
}

/* Conversation list */
.conversation-list{display:flex;flex-direction:column;gap:8px;margin-bottom:80px}
.conversation-item{
  display:flex;flex-direction:column;gap:4px;
  padding:16px 18px;
  background:var(--bg-card);
  border:1.5px solid var(--border);
  border-radius:var(--radius);
  cursor:pointer;
  transition:all var(--transition);
  -webkit-tap-highlight-color:transparent;
}
.conversation-item:active{transform:scale(0.98);background:var(--bg-alt)}
.conv-item-top{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
}
.conv-date{font-size:0.82rem;font-weight:700;color:var(--text)}
.conv-scene{
  font-size:0.7rem;padding:2px 10px;
  background:var(--accent);color:white;
  border-radius:100px;white-space:nowrap;
}
.conv-preview{
  font-size:0.8rem;color:var(--text-muted);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}

/* Empty state */
.home-empty{
  text-align:center;padding:60px 20px 40px;
}
.home-empty-icon{font-size:3rem;display:block;margin-bottom:16px}
.home-empty-text{font-size:1rem;font-weight:600;color:var(--text);margin-bottom:6px}
.home-empty-sub{font-size:0.85rem;color:var(--text-muted);line-height:1.5}

/* New chat button */
.new-chat-btn{
  position:fixed;
  bottom:calc(24px + var(--safe-b));
  left:50%;transform:translateX(-50%);
  display:flex;align-items:center;gap:10px;
  padding:14px 28px;
  background:var(--accent);color:white;
  border:none;border-radius:100px;
  font-family:var(--font);font-size:1rem;font-weight:700;
  box-shadow:0 4px 20px rgba(212,129,90,0.35);
  cursor:pointer;z-index:10;
  transition:all var(--transition);
  -webkit-tap-highlight-color:transparent;
  white-space:nowrap;
}
.new-chat-btn:active{transform:translateX(-50%) scale(0.96)}
.new-chat-btn span:first-child{font-size:1.2rem;font-weight:400}

/* ===== BACKGROUND LAYERS ===== */
.bg-layer{position:fixed;top:0;left:0;right:0;bottom:0;transition:background 1.8s cubic-bezier(0.4,0,0.2,1),opacity var(--transition);pointer-events:none;z-index:0}
/* ── Sea Wave (default) ── */
.bg-sea-wave{
  background:linear-gradient(180deg,
    #D6EAF8 0%,
    #AED6F1 20%,
    #D5E8D4 50%,
    #F5E6CC 75%,
    var(--bg-warm) 100%);
  opacity:1;
}
/* ── Wave layer 1 (upper — visible in message area) ── */
.bg-sea-wave::before{
  content:'';position:absolute;bottom:28%;left:-5%;width:110%;height:160px;
  background:rgba(160,210,235,0.28);
  border-radius:50% 50% 0 0;
  animation:waveDrift 8s ease-in-out infinite;
}
/* ── Wave layer 2 (lower — visible above input) ── */
.bg-sea-wave::after{
  content:'';position:absolute;bottom:12%;left:-8%;width:116%;height:140px;
  background:rgba(140,195,220,0.22);
  border-radius:45% 45% 0 0;
  animation:waveDrift 6s ease-in-out infinite reverse;
}
@keyframes waveDrift{
  0%,100%{transform:translateX(-2%) translateY(0)}
  25%{transform:translateX(1.5%) translateY(-8px)}
  50%{transform:translateX(-1%) translateY(-4px)}
  75%{transform:translateX(2%) translateY(-10px)}
}

/* ── Route map: warm sunset gradient ── */
.bg-layer.route-map{
  background:linear-gradient(180deg,
    #FFE0C0 0%,
    #FFCBA4 25%,
    #FFB88C 50%,
    #F5C7A0 75%,
    #F5EDE4 100%)!important;
}
body.dark .bg-layer.route-map{
  background:linear-gradient(180deg,
    #3A2010 0%,
    #4A2A15 25%,
    #3A2518 50%,
    #2A1A10 75%,
    #1A1A1A 100%)!important;
}

/* ── Crisis: deep purple-blue with subtle violet wave ── */
.bg-layer.crisis{
  background:linear-gradient(180deg,
    #0D0221 0%,
    #150530 30%,
    #1A0A3E 60%,
    #0F0528 100%)!important;
}
.bg-layer.crisis::before{
  background:rgba(155,126,216,0.18);
}
.bg-layer.crisis::after{
  background:rgba(130,100,200,0.14);
}

/* ── Dark mode ── */
body.dark .bg-sea-wave{
  background:linear-gradient(180deg,
    #0D1B2A 0%,
    #142538 20%,
    #1A2E2A 50%,
    #222018 75%,
    #1A1A1A 100%);
}
body.dark .bg-sea-wave::before{
  background:rgba(0,40,80,0.18);
  border-radius: 30% 70% 0 0;
  height: 100px;
  bottom: 26%;
}
body.dark .bg-sea-wave::after{
  background:rgba(0,30,60,0.1);
  border-radius: 70% 30% 0 0;
  height: 80px;
  bottom: 8%;
}

/* ===== STAR FIELD (crisis mode) ===== */
.star-field{position:fixed;top:0;left:0;right:0;bottom:0;z-index:1;pointer-events:none;opacity:0;transition:opacity 2s cubic-bezier(0.4,0,0.2,1)}
.star-field.active{opacity:1}
.star{
  position:absolute;width:2px;height:2px;background:white;border-radius:50%;
  animation:twinkle 3s ease-in-out infinite
}
@keyframes twinkle{0%,100%{opacity:0.2}50%{opacity:1}}

/* ===== CHAT SCREEN ===== */
#chatScreen{display:none}
.chat-screen{flex-direction:column;z-index:5}
.chat-header{
  display:flex;align-items:center;justify-content:space-between;
  height:var(--header-h);
  padding-top:var(--safe-t);
  padding-left:calc(16px + var(--safe-l));
  padding-right:calc(12px + var(--safe-r));
  background:rgba(250,246,240,0.82);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
  z-index:20;position:relative;
  transition:background var(--transition),border-color var(--transition);
  flex-shrink:0
}
body.dark .chat-header{background:rgba(26,26,26,0.82)}
.chat-header.crisis{background:rgba(13,2,33,0.85);border-color:var(--crisis-border)}
.header-left{display:flex;align-items:center;gap:12px;min-width:0}
.header-icon{font-size:1.4rem;color:var(--accent);flex-shrink:0}
.header-info{display:flex;flex-direction:column;min-width:0}
.header-name{font-weight:700;font-size:0.95rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chat-header.crisis .header-name{color:var(--crisis-text)}
.header-status{font-size:0.72rem;color:var(--text-muted)}
.chat-header.crisis .header-status{color:rgba(232,224,240,0.5)}
.header-right{display:flex;gap:4px;flex-shrink:0}
.header-btn{
  width:40px;height:40px;
  border-radius:50%;border:1.5px solid var(--border);
  background:transparent;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  font-size:1rem;transition:all var(--transition);color:var(--text-soft);
  -webkit-tap-highlight-color:transparent;
}
.header-btn:active{background:var(--border);transform:scale(0.9)}
.chat-header.crisis .header-btn{border-color:var(--crisis-border);color:rgba(232,224,240,0.7)}

/* ===== MESSAGES ===== */
.message-area{
  flex:1;overflow-y:auto;overflow-x:hidden;
  padding:12px calc(12px + var(--safe-r)) 4px calc(12px + var(--safe-l));
  scroll-behavior:smooth;position:relative;z-index:5;
  -webkit-overflow-scrolling:touch;
}
.message-area::-webkit-scrollbar{width:3px}
.message-area::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}
.messages{max-width:var(--max-w);margin:0 auto;display:flex;flex-direction:column;gap:10px;padding-bottom:8px}

/* Message bubbles — NO user avatar */
.msg{display:flex;gap:8px;max-width:88%;animation:msgIn 0.35s ease}
@keyframes msgIn{from{opacity:0;transform:translateY(8px)}}
.msg-other{align-self:flex-start}
.msg-user{align-self:flex-end}
.msg-avatar{
  width:28px;height:28px;border-radius:50%;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  font-size:0.75rem;margin-top:4px;
  pointer-events:none;user-select:none;
}
.msg-other .msg-avatar{background:var(--accent-light);color:white}
/* No user avatar — .msg-user hides its avatar */
.msg-user .msg-avatar{display:none}
.msg-body{display:flex;flex-direction:column;gap:2px;min-width:0}
.msg-bubble{
  padding:10px 14px;
  border-radius:var(--radius-sm);
  line-height:1.6;font-size:0.92rem;
  word-wrap:break-word;overflow-wrap:break-word;white-space:pre-wrap;
}
.msg-other .msg-bubble{
  background:var(--bubble-other);
  border:1.5px solid var(--border);
  border-top-left-radius:4px
}
.msg-user .msg-bubble{
  background:var(--bubble-user);
  color:var(--bubble-user-text);
  border-top-right-radius:4px;
  margin-left:auto;
}
.msg-user .msg-wrap{display:flex;flex-direction:column;align-items:flex-end}
.msg-time{font-size:0.6rem;color:var(--text-muted);padding-left:0;margin-top:2px}

/* Typing indicator */
.typing-indicator{
  display:flex;align-items:center;gap:5px;
  padding:10px 14px;min-height:36px;
}
.typing-dot{
  width:7px;height:7px;border-radius:50%;background:var(--text-muted);
  animation:typingBounce 1.4s ease-in-out infinite
}
.typing-dot:nth-child(2){animation-delay:0.2s}
.typing-dot:nth-child(3){animation-delay:0.4s}
@keyframes typingBounce{0%,60%,100%{transform:translateY(0)}30%{transform:translateY(-7px)}}

/* Crisis hotline embedded in chat bubble — compact */
.crisis-bubble{
  background:linear-gradient(135deg,#FFF5E6,#FFE8CC)!important;
  border:2px solid #E8A080!important;
  padding:12px!important;margin-top:6px;
  max-width:260px;
}
body.dark .crisis-bubble{
  background:linear-gradient(135deg,#2A1A10,#3A2015)!important;
  border-color:#C44A4A!important;
}
.crisis-bubble .crisis-title{font-weight:900;font-size:0.88rem;color:#C44A4A;margin-bottom:4px;display:block}
.crisis-bubble .crisis-text{font-size:0.75rem;color:var(--text-soft);line-height:1.5;margin-bottom:8px;display:block}
.crisis-bubble .crisis-hotline{
  display:block;font-size:1.2rem;font-weight:900;color:#C44A4A;
  text-decoration:none;letter-spacing:1px;margin-bottom:8px;
  text-align:center;
}
.crisis-bubble .crisis-btn{
  display:block;width:100%;padding:8px 16px;border-radius:100px;border:none;
  font-family:var(--font);font-size:0.78rem;font-weight:700;cursor:pointer;
  transition:all var(--transition);text-align:center;
  -webkit-tap-highlight-color:transparent;
}
.crisis-bubble .crisis-btn:active{transform:scale(0.96)}
.crisis-bubble .crisis-call{background:#C44A4A;color:white}

/* ===== INPUT ===== */
.input-area{
  padding:8px calc(16px + var(--safe-r)) calc(8px + var(--safe-b)) calc(16px + var(--safe-l));
  background:rgba(250,246,240,0.82);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-top:1px solid var(--border);
  z-index:20;position:relative;
  transition:background var(--transition),border-color var(--transition);
  flex-shrink:0
}
body.dark .input-area{background:rgba(26,26,26,0.82)}
.input-area.crisis{background:rgba(13,2,33,0.85);border-color:var(--crisis-border)}
.input-wrapper{
  display:flex;align-items:flex-end;gap:8px;
  max-width:var(--max-w);margin:0 auto
}
.chat-input{
  flex:1;resize:none;
  padding:10px 16px;
  border-radius:24px;
  border:1.5px solid var(--border);
  font-family:var(--font);font-size:0.92rem;line-height:1.5;
  max-height:120px;min-height:44px;
  outline:none;transition:border-color var(--transition);
  background:var(--bg-card);color:var(--text);
  -webkit-appearance:none;
}
.chat-input:focus{border-color:var(--accent)}
.input-area.crisis .chat-input{
  background:rgba(255,255,255,0.08);
  border-color:var(--crisis-border);color:var(--crisis-text);
}
.input-area.crisis .chat-input::placeholder{color:rgba(232,224,240,0.4)}
.send-btn{
  width:44px;height:44px;border-radius:50%;border:none;
  background:var(--accent);color:white;cursor:pointer;
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
  transition:all var(--transition);
  -webkit-tap-highlight-color:transparent;
}
.send-btn:active{transform:scale(0.9);background:#C07050}
.send-btn:disabled{opacity:0.4;cursor:not-allowed;transform:none}
body.dark .send-btn:active{background:#C07050}
.input-disclaimer{
  font-size:0.65rem;color:var(--text-muted);
  text-align:center;margin-top:3px;padding:0 4px;
}
.input-area.crisis .input-disclaimer{color:rgba(232,224,240,0.35)}

/* ===== TASK POPOVER (iOS-style action sheet) ===== */
.task-popover{
  position:fixed;
  left:12px;right:12px;
  bottom:calc(12px + var(--safe-b));
  max-width:400px;margin:0 auto;
  background:var(--bg-card);
  border-radius:16px;
  box-shadow:0 8px 40px rgba(0,0,0,0.2);
  z-index:55;
  padding:8px 0 12px;
  max-height:50vh;
  flex-direction:column;
  display:none;
}
.task-popover.show{
  display:flex;
  animation:popoverUp 0.35s cubic-bezier(0.32,0.72,0,1);
}

.task-overlay{
  position:fixed;top:0;left:0;right:0;bottom:0;
  background:rgba(0,0,0,0.35);
  z-index:50;
  display:none;
}
.task-overlay.show{
  display:block;
  animation:fadeIn 0.2s ease;
}
@keyframes fadeIn{from{opacity:0}}
@keyframes popoverUp{from{transform:translateY(20px) scale(0.96);opacity:0}}

.task-popover-handle{
  width:36px;height:4px;border-radius:4px;
  background:var(--border);
  margin:8px auto 4px;
}

.task-popover-title{
  font-size:0.82rem;font-weight:700;
  color:var(--text-soft);
  text-align:center;
  padding:6px 16px 8px;
  border-bottom:1px solid var(--border);
}

.task-list{overflow-y:auto;padding:4px 0;flex:1;-webkit-overflow-scrolling:touch}
.task-empty{
  font-size:0.78rem;color:var(--text-muted);
  text-align:center;padding:24px 16px;line-height:1.6;
}
.task-item{
  display:flex;align-items:center;gap:8px;
  padding:10px 16px;
  border-bottom:1px solid var(--border);
  animation:taskIn 0.25s ease;
}
.task-item:last-child{border-bottom:none}
@keyframes taskIn{from{opacity:0;transform:translateY(-4px)}}
.task-text{
  flex:1;font-size:0.85rem;line-height:1.4;color:var(--text);
  word-break:break-word;
}
.task-text.done{text-decoration:line-through;color:var(--text-muted);opacity:0.6}
.task-actions{display:flex;gap:6px;flex-shrink:0}
.task-btn{
  padding:5px 12px;border-radius:100px;border:1.5px solid var(--border);
  font-family:var(--font);font-size:0.72rem;font-weight:600;
  background:transparent;color:var(--text-soft);cursor:pointer;
  transition:all var(--transition);white-space:nowrap;
  -webkit-tap-highlight-color:transparent;
}
.task-btn:active{background:var(--border);transform:scale(0.95)}
.task-btn.done-btn{border-color:var(--accent);color:var(--accent)}
.task-btn.done-btn:active{background:rgba(212,129,90,0.1)}
.task-btn.done-btn.is-done{background:var(--accent);color:white;border-color:var(--accent)}

/* ===== SCENE PICKER ===== */
.scene-picker{
  position:fixed;top:0;left:0;right:0;bottom:0;
  background:rgba(44,24,16,0.5);z-index:120;
  display:none;
  align-items:center;justify-content:center;
  padding:calc(24px + var(--safe-t)) 20px calc(24px + var(--safe-b));
}
.scene-picker.show{
  display:flex;
  animation:fadeIn 0.25s ease;
}
.scene-picker-card{
  background:var(--bg-card);border-radius:20px;
  max-width:380px;width:100%;
  padding:24px 20px 16px;position:relative;
  box-shadow:var(--shadow-lg);
  animation:popIn 0.35s ease;
}
.scene-picker-header{text-align:center;margin-bottom:16px}
.scene-picker-title{font-size:1.1rem;font-weight:700}
.scene-picker-sub{font-size:0.78rem;color:var(--text-muted);margin-top:4px}
.scene-picker-options{display:flex;flex-direction:column;gap:8px}
.scene-option{
  display:flex;align-items:center;gap:12px;
  padding:14px 16px;border-radius:14px;
  border:1.5px solid var(--border);
  background:transparent;cursor:pointer;
  text-align:left;font-family:var(--font);
  transition:all var(--transition);
  -webkit-tap-highlight-color:transparent;
}
.scene-option:active{border-color:var(--accent);background:rgba(212,129,90,0.05);transform:scale(0.98)}
.scene-option-icon{font-size:1.5rem;flex-shrink:0}
.scene-option-name{font-size:0.95rem;font-weight:600;white-space:nowrap}
.scene-option-desc{font-size:0.72rem;color:var(--text-muted)}
.scene-picker-close{
  position:absolute;top:12px;right:12px;
  width:32px;height:32px;border-radius:50%;border:none;
  background:transparent;cursor:pointer;font-size:1rem;
  display:flex;align-items:center;justify-content:center;
  color:var(--text-muted);
}

/* ===== RESPONSIVE ===== */
@media(min-width:481px){
  .msg{max-width:80%}
  .msg-bubble{font-size:0.95rem;padding:12px 18px}
  .task-popover{left:24px;right:24px}
}
@media(min-width:769px){
  .scene-btn:hover{border-color:var(--accent)}
  .header-btn:hover{background:var(--border);border-color:var(--accent)}
  .conversation-item:hover{border-color:var(--accent);box-shadow:var(--shadow)}
  .new-chat-btn:hover{transform:translateX(-50%) translateY(-2px);box-shadow:0 6px 24px rgba(212,129,90,0.4)}
  .send-btn:hover{background:#C07050;transform:scale(1.05)}
}
@media(max-width:359px){
  :root{--header-h:48px}
  .msg{max-width:92%}
  .msg-bubble{font-size:0.85rem;padding:8px 12px}
  .chat-input{font-size:0.85rem;padding:8px 14px;min-height:40px}
  .send-btn{width:40px;height:40px}
  .header-btn{width:36px;height:36px;font-size:0.85rem}
  .header-name{font-size:0.85rem}
  .conversation-item{padding:12px 14px}
}
@media(max-height:480px) and (orientation:landscape){
  .chat-header{height:44px}
  .message-area{padding:6px}
  .msg{max-width:75%}
}
@media(prefers-reduced-motion:reduce){
  *{animation-duration:0.01ms!important;transition-duration:0.01ms!important}
}
@media(hover:none){
  .message-area::-webkit-scrollbar{width:2px}
}

/* ===== CHANGELOG OVERLAY ===== */
.version-footer{
  position:fixed;
  bottom:calc(90px + var(--safe-b));
  left:0;right:0;
  text-align:center;z-index:5;
  pointer-events:none;
}
.version-label{
  font-size:0.62rem;color:var(--text-muted);
  opacity:0.45;letter-spacing:0.5px;
  cursor:default;pointer-events:auto;
  transition:opacity var(--transition);
  user-select:none;
}
.version-label:active{opacity:0.8}

/* ===== CHANGELOG OVERLAY ===== */
.changelog-overlay{
  position:fixed;top:0;left:0;right:0;bottom:0;
  background:rgba(44,24,16,0.5);
  z-index:110;
  display:none;
  padding:calc(24px + var(--safe-t)) calc(20px + var(--safe-r)) calc(24px + var(--safe-b)) calc(20px + var(--safe-l));
}
.changelog-overlay.show{
  display:flex;align-items:center;justify-content:center;
  animation:fadeIn 0.25s ease;
}
.changelog-card{
  background:var(--bg-card);
  border-radius:20px;
  max-width:420px;width:100%;max-height:80vh;
  display:flex;flex-direction:column;
  box-shadow:var(--shadow-lg);
  animation:popIn 0.35s ease;
}
@keyframes popIn{from{transform:scale(0.92);opacity:0}}
.changelog-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 20px;
  border-bottom:1px solid var(--border);
  flex-shrink:0;
}
.changelog-title{font-weight:700;font-size:0.95rem}
.changelog-close{
  width:36px;height:36px;border-radius:50%;border:none;
  background:transparent;cursor:pointer;font-size:1rem;
  display:flex;align-items:center;justify-content:center;
  color:var(--text-soft);
}
.changelog-body{
  flex:1;overflow-y:auto;padding:16px 20px;
  -webkit-overflow-scrolling:touch;
}
.changelog-entry{
  margin-bottom:20px;padding-bottom:20px;
  border-bottom:1px solid var(--border);
}
.changelog-entry:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}
.changelog-entry-header{
  display:flex;align-items:baseline;gap:8px;margin-bottom:6px;
}
.changelog-version{
  font-weight:900;font-size:0.85rem;color:var(--accent);
}
.changelog-date{font-size:0.7rem;color:var(--text-muted)}
.changelog-entry-title{font-size:0.82rem;color:var(--text-soft);margin-bottom:8px}
.changelog-items{padding:0;list-style:none}
.changelog-items li{
  font-size:0.78rem;color:var(--text-muted);
  padding:3px 0;padding-left:14px;
  position:relative;line-height:1.5;
}
.changelog-items li::before{
  content:'·';position:absolute;left:2px;
  color:var(--accent);font-weight:700;
}