:root {
  --g:    #e7540d;
  --g-dk: #ee771b;
  --g-lt: #f1e4c7;
  --g-md: #fcba42;
  --o:    #ff8f00;
  --o-lt: #fff8e1;
  --bg:   #f1f8f1;
  --card: #ffffff;
  --dk:   #1b2e1c;
  --tx:   #4a5e4b;
  --bd:   #e6510d;
  --r:    18px;
  --sh:   0 4px 24px rgba(46,125,50,.10);
  --sh-lg:0 12px 48px rgb(125 86 46 / 18%);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Noto Sans TC',sans-serif;
  background:var(--bg);
  color:var(--dk);
  min-height:100vh;
}

/* ─── BG PATTERN ─── */
body::before{
  content:'';
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    radial-gradient(circle at 15% 20%, rgba(76,175,80,.08) 0%, transparent 50%),
    radial-gradient(circle at 85% 80%, rgba(255,143,0,.07) 0%, transparent 50%),
    url("data:image/svg+xml,%3Csvg width='40' height='40' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='20' cy='20' r='1' fill='%234caf50' opacity='0.1'/%3E%3C/svg%3E");
}

/* ─── HEADER ─── */
.hd{
  background:linear-gradient(135deg,var(--g-dk),var(--g));
  color:#fff;padding:16px 20px;
  display:flex;align-items:center;justify-content:space-between;
  position:sticky;top:0;z-index:100;
  box-shadow:0 2px 16px rgba(46,125,50,.3);
       padding-left: 13%;     padding-right: 13%;
}
.hd-l{display:flex;align-items:center;gap:10px}
.hd-logo{
  width:36px;height:36px;border-radius:10px;
  background:rgba(255,255,255,.2);
  display:flex;align-items:center;justify-content:center;font-size:18px;

}




.hd-title{font-size:16px;font-weight:700;letter-spacing:.02em}
.hd-score{
  display:flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.15);
  border-radius:100px;padding:7px 14px;
  font-size:13px;font-weight:600;
}
.score-num{
  font-size:18px;font-weight:900;color:#ffd54f;
  transition:transform .3s cubic-bezier(.34,1.56,.64,1);
}
.score-num.bump{transform:scale(1.5)}

/* ─── MAIN ─── */
.main{
  max-width:1020px;margin:0 auto;
  padding:62px 16px 80px;
  position:relative;z-index:1;
}

/* ─── TASK CARD ─── */
.task-card{



  overflow:hidden;
  margin-bottom:20px;
}
.task-top{
  background:linear-gradient(135deg,var(--g-lt),#fff);
  padding:22px 22px 18px;

  display:flex;align-items:flex-start;gap:14px;
}
.task-ico{
  width:52px;height:52px;flex-shrink:0;
  background:linear-gradient(135deg,var(--g),var(--g-dk));
  border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  font-size:24px;
  box-shadow:0 4px 14px rgba(76,175,80,.35);
}
.task-meta{}
.task-tag{
  display:inline-block;
  background:var(--g-lt);color:var(--g-dk);
  font-size:11px;font-weight:700;letter-spacing:.08em;
  padding:3px 10px;border-radius:100px;
  border:1px solid var(--g-md);
  margin-bottom:6px;
}
.task-name{font-size:18px;font-weight:800;color:var(--dk);line-height:1.3;margin-bottom:4px}
.task-sub{font-size:13px;color:var(--tx);line-height:1.6}
.reward-badge{
  display:flex;align-items:center;gap:6px;
  background:linear-gradient(135deg,#fff8e1,#fff3cd);
  border:1.5px solid #ffe082;
  border-radius:100px;
  padding:6px 16px;
  font-size:13px;font-weight:700;color:#e65100;
  margin-top:10px;
  width:fit-content;
}

/* ─── VIDEO AREA ─── */
.video-wrap{
  position:relative;
  padding:20px 22px;
}
.video-container{
  position:relative;
  width:100%;padding-bottom:56.25%;
  border-radius:14px;overflow:hidden;
  background:#0a1a0a;

}
.video-container iframe{
  position:absolute;inset:0;width:100%;height:100%;border:0;
}

/* Video overlay (before watch) */
.video-overlay{
  position:absolute;inset:0;
  background-image: url('../img/mbg.jpg');
    background-size: cover;
  border-radius:14px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:16px;cursor:pointer;
  transition:opacity .4s ease;
  z-index:2;
}
.video-overlay.hidden{opacity:0;pointer-events:none}
.play-ring{
  width:80px;height:80px;border-radius:50%;
  background:rgba(255,255,255,.15);
  border:3px solid rgba(255,255,255,.4);
  display:flex;align-items:center;justify-content:center;
  transition:transform .2s,background .2s;
}
.video-overlay:hover .play-ring{
  transform:scale(1.08);
  background:rgba(255,255,255,.25);
}
.play-icon{
  width:0;height:0;
  border-top:18px solid transparent;
  border-bottom:18px solid transparent;
  border-left:30px solid #fff;
  margin-left:5px;
}
.overlay-title{color:#fff;font-size:15px;font-weight:600;text-align:center;padding:0 20px;line-height:1.5}
.overlay-sub{color:rgba(255,255,255,.6);font-size:12px}

/* ─── PROGRESS BAR ─── */
.progress-wrap{
  padding:0 22px 20px;
}
.prog-header{
  display:flex;justify-content:space-between;align-items:center;
  margin-bottom:8px;
}
.prog-label{font-size:13px;font-weight:600;color:var(--tx)}
.prog-pct{font-size:13px;font-weight:700;color:var(--g-dk)}
.prog-track{
  height:8px;background:#e0ece0;border-radius:8px;overflow:hidden;
}
.prog-fill{
  height:100%;
  background:linear-gradient(90deg,var(--g),#81c784);
  border-radius:8px;width:0%;
  transition:width .5s ease;
}
.prog-note{font-size:12px;color:#888;margin-top:6px}

/* ─── INFO CARDS ─── */
.info-grid{
  display:grid;grid-template-columns:1fr 1fr 1fr;
  gap:12px;margin-bottom:20px;
}
.info-card{
  background:var(--card);border-radius:14px;
  border:1px solid var(--bd);
  padding:16px 12px;text-align:center;
  box-shadow:var(--sh);
}
.info-icon{font-size:24px;margin-bottom:6px;display:block}
.info-val{font-size:18px;font-weight:700;color:var(--dk);margin-bottom:2px}
.info-lbl{font-size:13px;color:#888;letter-spacing:.03em}

/* ─── CONTENT CARDS ─── */
.content-card{
  background:var(--card);border-radius:var(--r);
  border:1px solid var(--bd);
  padding:20px;margin-bottom:14px;
  box-shadow:var(--sh);
}
.content-title{
  font-size:18px;font-weight:700;color:var(--dk);
  margin-bottom:14px;display:flex;align-items:center;gap:8px;
}
.content-title::before{
  content:'';display:inline-block;
  width:3px;height:16px;background:var(--g);border-radius:2px;
}
.key-points{list-style:none;display:flex;flex-direction:column;gap:10px}
.key-points li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:15px;color:#444;line-height:1.65;
}
.kp-dot{
  width:22px;height:22px;border-radius:50%;
  background:var(--g-lt);border:1.5px solid var(--g-md);
  display:flex;align-items:center;justify-content:center;
  font-size:11px;font-weight:700;color:var(--g-dk);
  flex-shrink:0;margin-top:1px;
}

/* ─── MODAL OVERLAY ─── */
.modal-bg{
  position:fixed;inset:0;z-index:500;
  background:rgba(10,30,10,.55);
  backdrop-filter:blur(6px);
  display:flex;align-items:center;justify-content:center;
  padding:20px;
  opacity:0;pointer-events:none;
  transition:opacity .35s ease;
}
.modal-bg.show{opacity:1;pointer-events:auto}

.modal{
  background:#fff;border-radius:24px;
  max-width:380px;width:100%;
  padding:36px 28px 28px;
  text-align:center;
  box-shadow:0 24px 80px rgba(0,0,0,.25);
  transform:scale(.85) translateY(20px);
  transition:transform .4s cubic-bezier(.34,1.56,.64,1);
  position:relative;overflow:hidden;
}
.modal-bg.show .modal{transform:scale(1) translateY(0)}

.modal::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(160deg,var(--g-lt) 0%,#fff 60%);
  z-index:0;
}
.modal>*{position:relative;z-index:1}

/* Confetti dots */
.confetti{
  position:absolute;inset:0;pointer-events:none;z-index:0;overflow:hidden;
}
.confetti span{
  position:absolute;border-radius:50%;
  animation:fall 2.5s ease-in forwards;
  opacity:0;
}
@keyframes fall{
  0%{transform:translateY(-20px) rotate(0);opacity:1}
  100%{transform:translateY(500px) rotate(720deg);opacity:0}
}

.modal-badge{
  width:80px;height:80px;border-radius:50%;
  background:linear-gradient(135deg,var(--g),var(--g-dk));
  display:flex;align-items:center;justify-content:center;
  font-size:36px;margin:0 auto 16px;
  box-shadow:0 8px 28px rgba(76,175,80,.4);
  animation:popIn .5s .15s cubic-bezier(.34,1.56,.64,1) both;
}
@keyframes popIn{from{transform:scale(0)}to{transform:scale(1)}}

.modal-title{font-size:22px;font-weight:900;color:var(--dk);margin-bottom:6px}
.modal-sub{font-size:14px;color:var(--tx);margin-bottom:22px;line-height:1.6}

.score-pill{
  display:inline-flex;align-items:center;gap:8px;
  background:linear-gradient(135deg,#fff8e1,#fff3cd);
  border:2px solid #ffe082;
  border-radius:100px;
  padding:10px 24px;
  margin-bottom:22px;
}
.score-pill-num{font-size:32px;font-weight:900;color:var(--o)}
.score-pill-lbl{font-size:14px;font-weight:600;color:#e65100;line-height:1.3;text-align:left}

.modal-total{
  font-size:12px;color:#999;margin-bottom:22px;
}
.modal-total strong{color:var(--g-dk)}

.modal-btn{
  width:100%;padding:14px;
  background:linear-gradient(135deg,var(--g),var(--g-dk));
  color:#fff;border:none;border-radius:14px;
  font-size:15px;font-weight:700;
  cursor:pointer;font-family:inherit;
  box-shadow:0 4px 16px rgba(76,175,80,.4);
  transition:transform .15s,box-shadow .15s;
}
.modal-btn:hover{transform:translateY(-1px);box-shadow:0 6px 20px rgba(76,175,80,.5)}
.modal-btn:active{transform:none}

/* ─── WATCHED STATE ─── */
.watched-banner{
  display:none;
  background:var(--g-lt);border:1.5px solid var(--g-md);
  border-radius:12px;padding:14px 18px;
  margin:0 22px 20px;
  align-items:center;gap:10px;
  font-size:13px;font-weight:600;color:var(--g-dk);
}
.watched-banner.show{display:flex}

/* ─── RWD ─── */
@media(max-width:520px){
  .info-grid{grid-template-columns:1fr 1fr}
  .info-grid .info-card:last-child{grid-column:span 2}
  .hd-title{font-size:14px}
  .task-name{font-size:16px}
.hd {
    padding: 12px 10px;
    padding-left: 3%;
    padding-right: 3%;
}
}
@media(max-width:380px){
  .info-grid{grid-template-columns:1fr}
  .info-grid .info-card:last-child{grid-column:auto}
}


@media screen and (max-width: 750px) {
    .main {
        padding: 5px 6px 5px;
    }
}