:root{
  --bg:#f4f5fb;
  --surface:#ffffff;
  --primary:#5b6cff;
  --primary-d:#4453e0;
  --danger:#ff5b6e;
  --ok:#22b07d;
  --warn:#ff9f1c;
  --text:#1c2130;
  --muted:#8a90a3;
  --line:#e7e9f2;
  --radius:16px;
  --shadow:0 6px 20px rgba(40,46,80,.08);
}

*{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);
  font-size:16px;
  line-height:1.5;
  -webkit-text-size-adjust:100%;
  touch-action:manipulation;
  padding-bottom:env(safe-area-inset-bottom);
}

#app{
  max-width:480px;
  margin:0 auto;
  min-height:100vh;
  padding:env(safe-area-inset-top) 16px calc(96px + env(safe-area-inset-bottom));
  background:var(--bg);
}

/* ---------- 视图切换 ---------- */
.view{display:none;animation:fade .25s ease;}
.view.active{display:block;}
@keyframes fade{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:none;}}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  border:none;border-radius:12px;font-size:16px;font-weight:600;
  padding:14px 18px;cursor:pointer;background:var(--surface);color:var(--text);
  transition:transform .08s,background .2s,opacity .2s;min-height:48px;
  user-select:none;
}
.btn:active{transform:scale(.97);}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow);}
.btn-primary:active{background:var(--primary-d);}
.btn-ghost{background:transparent;border:1.5px solid var(--line);color:var(--text);}
.btn-lg{width:100%;font-size:18px;padding:16px;min-height:54px;border-radius:14px;}
.btn-sm{font-size:14px;padding:10px 14px;min-height:40px;border-radius:10px;}
.btn-icon{background:transparent;font-size:24px;min-height:40px;padding:6px 12px;color:var(--text);}
.btn-round{width:48px;height:48px;border-radius:50%;background:var(--surface);border:1.5px solid var(--line);font-size:22px;padding:0;min-height:0;}
.btn-danger{background:var(--danger);color:#fff;}
.btn:disabled{opacity:.45;pointer-events:none;}

.sticky-cta{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(16px + env(safe-area-inset-bottom));width:calc(100% - 32px);max-width:448px;z-index:30;}

/* ---------- 首页 ---------- */
.app-header{text-align:center;padding:32px 0 20px;}
.logo{font-size:56px;line-height:1;}
.app-header h1{font-size:30px;margin:10px 0 4px;letter-spacing:1px;}
.subtitle{color:var(--muted);margin:0;font-size:14px;}
.home-stats{display:flex;gap:12px;margin:18px 0;}
.stat{flex:1;background:var(--surface);border-radius:var(--radius);padding:16px;text-align:center;box-shadow:var(--shadow);}
.stat-num{display:block;font-size:28px;font-weight:800;color:var(--primary);}
.stat-label{font-size:13px;color:var(--muted);}
.home-actions{display:flex;flex-direction:column;gap:12px;margin-top:8px;}
.rules{margin-top:22px;background:var(--surface);border-radius:var(--radius);padding:12px 16px;box-shadow:var(--shadow);}
.rules summary{font-weight:700;cursor:pointer;padding:4px 0;}
.rules ol{margin:10px 0 4px;padding-left:20px;color:#444b5e;font-size:14px;}
.rules li{margin-bottom:6px;}

/* ---------- 顶栏 ---------- */
.bar{display:flex;align-items:center;justify-content:space-between;padding:14px 0 10px;position:sticky;top:0;background:var(--bg);z-index:10;}
.bar h2{font-size:19px;margin:0;}

/* ---------- 工具栏 ---------- */
.toolbar{display:flex;gap:10px;margin-bottom:12px;}
.input{flex:1;min-height:46px;border:1.5px solid var(--line);border-radius:12px;padding:10px 14px;font-size:16px;background:var(--surface);color:var(--text);}
.input:focus{outline:none;border-color:var(--primary);}
.input-select{appearance:none;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path d='M1 1l5 5 5-5' stroke='%238a90a3' stroke-width='2' fill='none'/></svg>");background-repeat:no-repeat;background-position:right 14px center;padding-right:36px;}
.lib-actions{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap;}

/* ---------- 词列表 ---------- */
.word-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.word-item{background:var(--surface);border-radius:14px;padding:14px;box-shadow:var(--shadow);}
.word-pair{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.word-chip{flex:1;min-width:90px;text-align:center;padding:10px;border-radius:10px;font-weight:700;font-size:17px;}
.word-good{background:#eafaf2;color:var(--ok);}
.word-bad{background:#ffeaec;color:var(--danger);}
.word-vs{color:var(--muted);font-size:13px;}
.word-meta{display:flex;align-items:center;justify-content:space-between;margin-top:10px;}
.tag{background:#eef0ff;color:var(--primary);font-size:12px;padding:3px 10px;border-radius:20px;}
.word-btns{display:flex;gap:8px;}
.mini-btn{background:transparent;border:1.5px solid var(--line);border-radius:9px;padding:7px 12px;font-size:13px;min-height:0;font-weight:600;}
.mini-btn.danger{color:var(--danger);border-color:#ffd2d7;}
.empty-tip{text-align:center;color:var(--muted);padding:30px 0;}

/* ---------- 设置 ---------- */
.setup-card{background:var(--surface);border-radius:var(--radius);padding:8px 16px;box-shadow:var(--shadow);margin-top:8px;}
.setup-row{display:flex;align-items:center;justify-content:space-between;padding:14px 0;border-bottom:1px solid var(--line);}
.setup-row:last-child{border-bottom:none;}
.setup-row.col{flex-direction:column;align-items:stretch;gap:10px;}
.setup-row label{font-weight:600;font-size:16px;}
.setup-row small{color:var(--muted);font-weight:400;}
.stepper{display:flex;align-items:center;gap:16px;}
.stepper-val{font-size:22px;font-weight:800;min-width:34px;text-align:center;}
.setup-hint{text-align:center;color:var(--muted);font-size:13px;margin:14px 4px;}

/* ---------- 发词网格 ---------- */
.center-tip,.vote-tip{text-align:center;color:var(--muted);font-size:14px;margin:10px 4px 16px;}
.reveal-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;}
.player-card{background:var(--surface);border-radius:14px;padding:18px 10px;text-align:center;box-shadow:var(--shadow);}
.player-card .pname{font-weight:700;font-size:15px;margin-bottom:10px;}
.player-card .pword{font-size:13px;color:var(--primary);font-weight:700;margin-top:8px;min-height:18px;}
.player-card.seen{outline:2px solid var(--ok);}

/* ---------- 游戏进行 ---------- */
.phase-banner{text-align:center;background:var(--primary);color:#fff;font-weight:700;padding:10px;border-radius:12px;margin:6px 0 14px;}
.phase-banner.vote{background:var(--warn);}
.player-list{display:flex;flex-direction:column;gap:10px;}
.player-row{background:var(--surface);border-radius:12px;padding:14px 16px;display:flex;align-items:center;justify-content:space-between;box-shadow:var(--shadow);}
.player-row .pname{font-weight:700;font-size:17px;}
.player-row.out{opacity:.5;text-decoration:line-through;}
.player-row .prole{font-size:12px;padding:3px 10px;border-radius:20px;}
.role-good{background:#eafaf2;color:var(--ok);}
.role-spy{background:#ffeaec;color:var(--danger);}
.role-white{background:#eef0ff;color:var(--primary);}
.play-actions{margin-top:14px;display:flex;flex-direction:column;gap:10px;}

.vote-panel{margin-top:16px;background:var(--surface);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);}
.voter-list{display:flex;flex-direction:column;gap:10px;}
.voter-btn{display:flex;align-items:center;justify-content:space-between;background:var(--bg);border:1.5px solid var(--line);border-radius:12px;padding:14px 16px;font-size:16px;font-weight:600;cursor:pointer;min-height:50px;}
.voter-btn.done{border-color:var(--primary);color:var(--primary);}
.vote-targets{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:14px;}

/* ---------- 结算 ---------- */
.result-body{margin:10px 0 20px;}
.result-banner{text-align:center;font-size:24px;font-weight:800;padding:24px;border-radius:var(--radius);margin-bottom:16px;}
.result-banner.good{background:#eafaf2;color:var(--ok);}
.result-banner.spy{background:#ffeaec;color:var(--danger);}
.result-list{display:flex;flex-direction:column;gap:10px;}

/* ---------- 弹窗 ---------- */
.modal{position:fixed;inset:0;background:rgba(20,24,40,.55);display:flex;align-items:center;justify-content:center;z-index:50;padding:24px;}
.modal.hidden{display:none;}
.modal-card{background:var(--surface);border-radius:20px;padding:28px 24px;width:100%;max-width:360px;text-align:center;box-shadow:0 20px 50px rgba(0,0,0,.2);}
.modal-role{font-size:15px;color:var(--muted);font-weight:700;letter-spacing:1px;}
.modal-word{font-size:40px;font-weight:900;margin:14px 0 22px;}
.modal-card h3{margin:0 0 16px;}
.field-label{display:block;text-align:left;font-size:13px;color:var(--muted);margin:12px 0 6px;font-weight:600;}
.modal-btns{display:flex;gap:10px;margin-top:20px;}
.modal-btns .btn{flex:1;}

/* ---------- Toast ---------- */
.toast{position:fixed;left:50%;bottom:120px;transform:translateX(-50%);background:rgba(28,33,48,.92);color:#fff;padding:12px 20px;border-radius:24px;font-size:14px;z-index:80;box-shadow:0 8px 24px rgba(0,0,0,.25);}
.toast.hidden{display:none;}

@media (min-width:520px){
  #app{box-shadow:0 0 60px rgba(40,46,80,.06);min-height:100vh;}
}