/* ============================================================
   运动会大屏点播系统 · 共用样式
   设计语言：田径赛场 — 跑道红 / 终点线黄 / 计时牌绿
   ============================================================ */
:root{
  --ink:#05070C;
  --card:#0C111C;
  --card-line:#1D2637;
  --panel:#121A28;
  --panel-2:#182136;
  --line:#26314A;
  --chalk:#F2EFE6;
  --muted:#78869F;
  --red:#FF3D2E;
  --red-deep:#B81C14;
  --yellow:#FFD200;
  --green:#25E39A;

  --paper:#F4F1E8;
  --paper-line:#E2DACB;
  --paper-ink:#12161F;

  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  --font-num:"SF Mono","JetBrains Mono","Menlo","Consolas",monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:var(--font-cn);
  -webkit-font-smoothing:antialiased;
  -webkit-tap-highlight-color:transparent;
}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,select,textarea{font-family:inherit;font-size:16px}
a{color:inherit}

/* ---------- 通用控件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 22px;border-radius:12px;font-size:15px;font-weight:700;
  background:var(--panel-2);border:1px solid var(--line);color:var(--chalk);
  transition:transform .08s,filter .15s;
}
.btn:active{transform:scale(.97)}
.btn:hover{filter:brightness(1.15)}
.btn--primary{background:linear-gradient(135deg,var(--red),var(--red-deep));border-color:transparent;
  box-shadow:0 10px 26px -10px rgba(255,61,46,.75)}
.btn--ok{background:linear-gradient(180deg,#3BF0AE,#1FBF84);border-color:transparent;color:#062018}
.btn--no{background:linear-gradient(180deg,#FF5B4E,#C4211A);border-color:transparent;color:#fff}
.btn--pin{background:linear-gradient(180deg,#FFE05C,#FFC400);border-color:transparent;color:#1A1400}
.btn--ghost{background:transparent}
.btn[disabled]{opacity:.4;pointer-events:none}
.btn--sm{padding:8px 13px;font-size:13px;border-radius:9px}

.tag{
  font-size:11.5px;color:#A9B6CC;background:var(--panel-2);
  border:1px solid var(--line);border-radius:7px;padding:5px 10px;white-space:nowrap;
}
.tag--hl{color:var(--yellow);border-color:rgba(255,210,0,.32);background:rgba(255,210,0,.07)}
.tag--ok{color:var(--green);border-color:rgba(37,227,154,.3);background:rgba(37,227,154,.07)}
.tag--no{color:#FF7B70;border-color:rgba(255,61,46,.32);background:rgba(255,61,46,.07)}
.tag--wait{color:#FFC466;border-color:rgba(255,196,102,.3);background:rgba(255,196,102,.07)}

kbd{
  font-family:var(--font-num);font-size:12px;font-weight:700;color:var(--chalk);
  background:linear-gradient(#222C42,#1A2334);
  border:1px solid #33405C;border-bottom-width:2px;border-radius:6px;
  padding:4px 9px;min-width:30px;text-align:center;display:inline-block;
}

.spin{
  width:16px;height:16px;border:2px solid rgba(255,255,255,.25);
  border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;display:inline-block;
}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.25}}
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

.dot-live{
  width:7px;height:7px;border-radius:50%;background:var(--green);
  animation:pulse 1.8s ease-in-out infinite;display:inline-block;
}

/* 提示条 */
.toast{
  position:fixed;left:50%;bottom:32px;transform:translateX(-50%) translateY(20px);
  background:#1B2436;border:1px solid var(--line);color:var(--chalk);
  padding:13px 22px;border-radius:12px;font-size:14px;font-weight:600;
  box-shadow:0 20px 50px -12px rgba(0,0,0,.9);z-index:999;opacity:0;
  transition:opacity .22s,transform .22s;pointer-events:none;max-width:88vw;text-align:center;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}