/* ===== 像素风双人跑团 · 主题系统 ===== */
/* 参考 Stardew Valley 像素美学：粗边框、块状圆角、饱和配色、8-bit 感 */

:root{
  --bg:#f0ece4; --surface:#fffdf7; --line:#c9bfa8; --text:#2d2a26;
  --muted:#8a8279; --primary:#6b5ce7; --primary-d:#5547cc;
  --a:#4a90d9; --b:#e06c95; --narr:#3da87d; --dice:#d4912a;
  /* pixel 风格变量 */
  --px-border:3px solid var(--line);
  --px-shadow:4px 4px 0 rgba(0,0,0,.12);
  --px-radius:6px;
  --font-pixel:"Press Start 2P","ZCOOL QingKe HuangYou","Courier New",monospace;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;-webkit-touch-callout:none;user-select:none}
html,body{margin:0;height:100%;overflow-x:hidden}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--bg);color:var(--text);font-size:15px;line-height:1.6;
  /* 像素风底纹 */
  background-image:
    linear-gradient(45deg,transparent 48%,rgba(0,0,0,.02) 49%,rgba(0,0,0,.02) 51%,transparent 52%),
    linear-gradient(-45deg,transparent 48%,rgba(0,0,0,.02) 49%,rgba(0,0,0,.02) 51%,transparent 52%);
  background-size:12px 12px;
}
#app{max-width:560px;margin:0 auto;min-height:100vh;display:flex;flex-direction:column;position:relative}
.screen{padding:18px 16px 24px;flex:1;display:flex;flex-direction:column;gap:14px}
.hidden{display:none!important}

h1{font-size:26px;margin:0;text-shadow:2px 2px 0 rgba(0,0,0,.08)}
h2{font-size:20px;margin:0 0 4px}
.sub{color:var(--muted);margin:0;font-size:13px}
.hero{text-align:center;padding:36px 0 10px}
.hero .sub{margin-top:6px;font-size:15px;color:var(--primary);font-weight:600}

/* ===== 按钮：像素块状风格 ===== */
button{font-family:inherit;cursor:pointer;border:2px solid transparent;border-radius:var(--px-radius);font-size:15px;padding:12px 14px;
  transition:transform .08s,box-shadow .08s;position:relative;
  -webkit-tap-highlight-color:rgba(0,0,0,.05);min-height:44px;/* 移动端可点击最小尺寸 */
}
button:active{transform:translateY(2px);box-shadow:0 0 0 transparent!important}
.big{width:100%;padding:15px;font-size:16px;font-weight:700;letter-spacing:1px;
  border:var(--px-border);box-shadow:var(--px-shadow)
}
.primary{background:var(--primary);color:#fff;border-color:var(--primary-d)!important}
.primary:active{background:var(--primary-d)}
.ghost{background:var(--surface);border:2px solid var(--line);color:var(--text);box-shadow:2px 2px 0 rgba(0,0,0,.08)}
.ghost.small{font-size:12px;padding:10px 12px;min-height:36px}
.small{font-size:13px}
.back{background:none;border:none;color:var(--muted);padding:8px;align-self:flex-start;min-height:auto}
.back:active{transform:none;box-shadow:none}
.divider{text-align:center;color:var(--muted);font-size:13px;font-weight:700;letter-spacing:3px}

/* ===== 输入框 ===== */
.code-input{width:100%;padding:14px;border:var(--px-border);border-radius:var(--px-radius);font-size:18px;
  letter-spacing:3px;text-align:center;text-transform:uppercase;background:var(--surface);
  font-weight:700;color:var(--primary);min-height:48px
}
.hint{color:var(--muted);font-size:13px;text-align:center;min-height:18px}

/* ===== 卡片/面板：像素风 ===== */
.panel{background:var(--surface);border:var(--px-border);border-radius:var(--px-radius);
  padding:18px;display:flex;flex-direction:column;gap:12px;box-shadow:var(--px-shadow)}
.list{display:flex;flex-direction:column;gap:12px}
.card{background:var(--surface);border:var(--px-border);border-radius:var(--px-radius);
  padding:16px 18px;cursor:pointer;transition:transform .1s;box-shadow:2px 2px 0 rgba(0,0,0,.08);
  position:relative;overflow:hidden
}
.card::before{content:'';position:absolute;top:0;left:0;width:6px;height:100%;background:var(--primary);opacity:.5;border-radius:var(--px-radius) 0 0 var(--px-radius)}
.card:active{transform:translateY(2px);box-shadow:0 0 0 transparent}
.card h3{margin:0 0 2px;font-size:18px;font-weight:800}
.card .tag{color:var(--primary);font-size:12px;margin:0 0 6px;font-weight:600;text-transform:uppercase;letter-spacing:1px}
.card p{margin:0;color:var(--muted);font-size:13px;line-height:1.5}

/* ===== 属性分配 ===== */
.attrs{display:flex;flex-direction:column;gap:8px}
.attr-row{display:flex;align-items:center;justify-content:space-between;
  background:var(--bg);border:2px dashed var(--line);border-radius:var(--px-radius);padding:8px 12px}
.attr-row .name{flex:1;font-weight:600;font-size:14px}
.stepper{display:flex;align-items:center;gap:10px}
.stepper button{width:36px;height:36px;padding:0;border-radius:var(--px-radius);
  background:var(--surface);border:2px solid var(--line);font-size:20px;line-height:1;
  font-weight:900;display:flex;align-items:center;justify-content:center;min-height:36px
}
.stepper button:active{background:var(--primary);color:#fff;border-color:var(--primary-d)}
.stepper .val{min-width:28px;text-align:center;font-weight:800;font-size:17px;color:var(--primary)}
.row{display:flex;gap:10px;justify-content:flex-end}

/* ===== 游戏顶栏 ===== */
.topbar{display:flex;align-items:center;justify-content:space-between;gap:8px;
  position:sticky;top:0;z-index:10;padding:10px 0 8px;
  background:linear-gradient(to bottom,var(--bg),var(--bg) 80%,transparent)
}
.room-info{display:flex;align-items:center;gap:8px}
.code-pill{background:var(--surface);border:2px solid var(--line);border-radius:999px;
  padding:5px 14px;font-weight:800;letter-spacing:2px;font-size:14px;
  box-shadow:2px 2px 0 rgba(0,0,0,.08)
}
.status{font-size:12px;color:var(--muted);font-weight:600}
.status.ok{color:var(--narr)}

/* ===== 聊天日志（像素风气泡）===== */
.log{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:10px;padding:8px 2px;min-height:200px;
  scroll-behavior:smooth;-webkit-overflow-scrolling:touch
}
.msg{max-width:88%;padding:11px 14px;border-radius:var(--px-radius);font-size:14px;
  word-break:break-word;border:2px solid transparent;position:relative;
  animation:msgIn .2s ease-out
}
@keyframes msgIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.msg .who{font-size:10px;color:var(--muted);margin-bottom:3px;font-weight:700;text-transform:uppercase;letter-spacing:1px}
.msg.playerA{align-self:flex-start;background:#dbeafe;border-color:#93c5fd;border-bottom-left-radius:2px;
  box-shadow:2px 2px 0 rgba(59,130,246,.15)
}
.msg.playerB{align-self:flex-end;background:#fce7f3;border-color:#f9a8d4;border-bottom-right-radius:2px;
  box-shadow:2px 2px 0 rgba(236,72,153,.15)
}
.msg.narrator{align-self:center;max-width:94%;background:linear-gradient(135deg,#d1fae5,#a7f3d0);
  border-color:#6ee7b7;color:#065f46;text-align:center;font-style:normal;border-radius:var(--px-radius);
  box-shadow:3px 3px 0 rgba(16,185,129,.15);font-weight:500
}
.msg.dice{align-self:center;background:linear-gradient(135deg,#fef3c7,#fde68a);
  border-color:#fbbf24;color:#92400e;border-radius:var(--px-radius);font-weight:800;
  box-shadow:3px 3px 0 rgba(245,158,11,.2);text-align:center
}
.msg.system{align-self:center;background:transparent;color:var(--muted);font-size:12px;text-align:center}

/* ===== 角色卡面板（修复移动端显示）===== */
.sheets{background:var(--surface);border:var(--px-border);border-radius:var(--px-radius);
  padding:16px;display:flex;flex-direction:column;gap:12px;
  box-shadow:var(--px-shadow);max-height:50vh;overflow-y:auto;
  position:relative;z-index:5
}
.sheets.visible{display:flex!important} /* JS 切换用这个 class */
.sheet{border-bottom:2px dashed var(--line);padding-bottom:10px}
.sheet:last-child{border-bottom:none;padding-bottom:0}
.sheet h4{margin:0 0 6px;font-size:15px;font-weight:800;color:var(--primary)}
.sheet .bio{font-size:12px;color:var(--muted);margin:0 0 6px;line-height:1.5;
  padding:8px;background:var(--bg);border-radius:var(--px-radius);border-left:3px solid var(--primary)
}
.sheet .attrs-inline{display:flex;flex-wrap:wrap;gap:6px}
.chip{background:var(--bg);border:2px solid var(--line);border-radius:var(--px-radius);
  padding:4px 10px;font-size:12px;font-weight:700;color:var(--text)

/* ===== 底部操作栏 ===== */
.composer{position:sticky;bottom:0;z-index:10;
  background:linear-gradient(to top,var(--bg) 60%,transparent);
  padding-top:10px;padding-bottom:env(safe-area-inset-bottom,8px);
  display:flex;flex-direction:column;gap:8px
}
/* 旧 dice-row 已移除，骰子改为右下角浮动按钮(FAB)，见 index.html 内联样式 */

.input-row{display:flex;gap:8px}
.input-row input{flex:1;padding:13px 14px;border:var(--px-border);border-radius:var(--px-radius);
  font-size:15px;background:var(--surface);min-height:48px
}

/* 抖动动画（输入验证失败时）*/
@keyframes shake{
  0%,100%{transform:translateX(0)}
  25%{transform:translateX(-6px)}
  50%{transform:translateX(6px)}
  75%{transform:translateX(-3px)}
}

/* ================================================================
   世界观主题覆盖（像素风配色）
   body 上加 data-world="xianxia" 等来切换
   ================================================================ */

/* --- 仙侠《云海仙缘》：青绿山水、水墨感 --- */
[data-world="xianxia"]{
  --bg:#e8f2ee;--surface:#f5faf7;--line:#a8c4b4;--text:#1a332a;
  --muted:#5a7a68;--primary:#2d8a6e;--primary-d:#1f6b54;
  --a:#3a9ec4;--b:#d4729e;--narr:#1e7a5a;--dice:#b8860b;
}
[data-world="xianxia"] body,[data-world="xianxia"]{
  background:
    linear-gradient(180deg,#d4ede0 0%,#e8f2ee 30%,#f0f5f2 100%),
    repeating-linear-gradient(90deg,transparent,transparent 8px,rgba(45,138,110,.03) 8px,rgba(45,138,110,.03) 9px),
    repeating-linear-gradient(0deg,transparent,transparent 8px,rgba(45,138,110,.03) 8px,rgba(45,138,110,.03) 9px);
  background-size:100% 100%,10px 10px,10px 10px
}
[data-world="xianxia"] .card::before{background:var(--primary)}
[data-world="xianxia"] .msg.narrator{
  background:linear-gradient(135deg,#cffbea,#a7ecd4);border-color:#5ccdab;color:#0a4d35
}
[data-world="xianxia"] .msg.dice{
  background:linear-gradient(135deg,#fef9c8,#fde68a);border-color:#d4a017;color:#785200
}

/* --- 中世纪奇幻《异界领主》：暖棕酒馆、羊皮纸 --- */
[data-world="isekai_medieval"]{
  --bg:#f5efe6;--surface:#fdfaf3;--line:#c4aa82;--text:#3d3425;
  --muted:#8a7a62;--primary:#a06235;--primary-d:#8a5129;
  --a:#5a8fc4;--b:#c45a7a;--narr:#7a6a32;--dice:#b85400;
}
[data-world="isekai_medieval"] body,[data-world="isekai_medieval"]{
  background:
    linear-gradient(180deg,#edd9b8 0%,#f5efe6 30%,#faf6ed 100%),
    repeating-linear-gradient(45deg,transparent,transparent 6px,rgba(160,98,53,.04) 6px,rgba(160,98,53,.04) 7px);
  background-size:100% 100%,8px 8px
}
[data-world="isekai_medieval"] .card::before{background:var(--primary)}
[data-world="isekai_medieval"] .msg.narrator{
  background:linear-gradient(135deg,#fef3c7,#fde68a);border-color:#d4a017;color:#6b5000
}
[data-world="isekai_medieval"] .msg.dice{
  background:linear-gradient(135deg,#fecaca,#fca5a5);border-color:#dc2626;color:#7f1d1d
}

/* --- Re:零《轮回之始》：暗紫神秘、魔女气息 --- */
[data-world="rezero"]{
  --bg:#1a1625;--surface:#252033;--line:#4a3f65;--text:#e8e0f0;
  --muted:#9088a8;--primary:#8b5cf6;--primary-d:#7c3aed;
  --a:#60a5fa;--b:#f472b6;--narr:#a78bfa;--dice:#f59e0b;
}
[data-world="rezero"] body,[data-world="rezero"]{
  background:
    linear-gradient(180deg,#161225 0%,#1a1625 40%,#211a30 100%),
    radial-gradient(ellipse at 20% 50%,rgba(139,92,246,.06) 0%,transparent 60%),
    radial-gradient(ellipse at 80% 70%,rgba(244,114,182,.04) 0%,transparent 50%);
  background-size:100% 100%,100% 100%,100% 100%
}
[data-world="rezero"] .card::before{background:var(--primary)}
[data-world="rezero"] .card{border-color:#5a4a78}
[data-world="rezero"] .panel,.data-world="rezero"] .sheets,
[data-world="rezero"] .code-input,[data-world="rezero"] .attr-row{
  border-color:#4a3f65;background:#252033
}
[data-world="rezero"] .msg.playerA{background:#1e3a5f;border-color:#3b82f6;color:#e0e7ff}
[data-world="rezero"] .msg.playerB{background:#4a1942;border-color:#c026d3;color:#fce7f3}
[data-world="rezero"] .msg.narrator{
  background:linear-gradient(135deg,#ede9fe,#ddd6fe);border-color:#a78bfa;color:#4c1d95
}
[data-world="rezero"] .msg.dice{
  background:linear-gradient(135deg,#fef3c7,#fde68a);border-color:#fbbf24;color:#78350f
}
[data-world="rezero"] .chip{background:#2a2240;border-color:#4a3f65;color:#e8e0f0}
[data-world="rezero"] .topbar{background:linear-gradient(to bottom,#1a1625,#1a1625 80%,transparent)}
[data-world="rezero"] .composer{background:linear-gradient(to top,#1a1625 60%,transparent)}

/* ===== 动画优化：减少重绘 ===== */
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}