*{box-sizing:border-box;margin:0;padding:0}
[hidden]{display:none!important}

:root{
  --pink:#ff5fa2;
  --yellow:#ffd93d;
  --blue:#5cc8ff;
  --purple:#a06bff;
  --text:#eae6ff;
  --muted:#9a92c4;
  --card:rgba(255,255,255,.045);
  --border:rgba(255,255,255,.09);
}

html{-webkit-text-size-adjust:100%}

body{
  font-family:"Segoe UI",system-ui,-apple-system,"Helvetica Neue",sans-serif;
  color:var(--text);
  min-height:100vh;
  overflow-x:hidden;
  position:relative;
  padding:34px 18px 56px;
  background:
    radial-gradient(900px 520px at 12% -8%, #35156b 0%, transparent 62%),
    radial-gradient(800px 520px at 92% 108%, #0d3a6b 0%, transparent 62%),
    linear-gradient(160deg,#0a0618 0%,#150a2e 58%,#0b0720 100%);
  background-attachment:fixed;
}

/* ---------- Lớp emoji bay lơ lửng ---------- */
#bgEmoji{position:fixed;inset:0;pointer-events:none;overflow:hidden;z-index:0}
#bgEmoji span{
  position:absolute;
  bottom:-70px;
  font-size:22px;
  opacity:0;
  will-change:transform,opacity;
  animation:floatUp linear infinite;
  filter:blur(.3px);
}
@keyframes floatUp{
  0%{transform:translateY(0) rotate(0deg);opacity:0}
  12%{opacity:.20}
  88%{opacity:.20}
  100%{transform:translateY(-118vh) rotate(340deg);opacity:0}
}

/* ---------- Layout ---------- */
.wrap{
  position:relative;z-index:1;
  max-width:760px;margin:0 auto;
  display:flex;flex-direction:column;gap:22px;
}

/* ---------- Hero ---------- */
.hero{text-align:center;padding-top:10px}
.badge{
  display:inline-block;
  font-size:12.5px;letter-spacing:.09em;text-transform:uppercase;font-weight:600;
  padding:7px 15px;border-radius:999px;color:#dccfff;
  background:linear-gradient(90deg,rgba(160,107,255,.18),rgba(255,95,162,.18));
  border:1px solid rgba(160,107,255,.35);
  margin-bottom:18px;
  box-shadow:0 0 26px rgba(160,107,255,.2);
}
h1{
  font-size:clamp(1.85rem,5.6vw,3rem);
  line-height:1.14;font-weight:800;letter-spacing:-.02em;
}
.grad{
  background:linear-gradient(92deg,var(--pink),var(--yellow) 45%,var(--blue));
  background-size:220% auto;
  -webkit-background-clip:text;background-clip:text;color:transparent;
  animation:shine 6s linear infinite;
}
@keyframes shine{to{background-position:220% center}}

.tagline{
  margin-top:13px;color:var(--muted);
  font-size:1.02rem;min-height:1.5em;
  transition:opacity .3s;
}

/* ---------- Card chính ---------- */
.card{
  position:relative;overflow:hidden;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:26px;
  padding:28px 22px 26px;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:0 22px 60px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.06);
}
.card::before{
  content:"";position:absolute;inset:-2px;
  background:radial-gradient(600px 200px at 50% -20%, rgba(160,107,255,.22), transparent 70%);
  pointer-events:none;
}

.status{
  text-align:center;color:var(--muted);
  font-size:.82rem;letter-spacing:.08em;text-transform:uppercase;
  margin-bottom:22px;position:relative;
}

/* ---------- Lưới số ---------- */
.grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:12px;
  position:relative;
}
.unit{
  background:linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.02));
  border:1px solid var(--border);
  border-radius:18px;
  padding:18px 6px 14px;
  text-align:center;
}
.num{
  font-family:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  font-size:clamp(1.9rem,8.5vw,3.4rem);
  font-weight:800;line-height:1;
  font-variant-numeric:tabular-nums;
  background:linear-gradient(180deg,#ffffff,#b9a5ff);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 0 18px rgba(160,107,255,.55));
}
.num.tick{animation:pop .32s cubic-bezier(.4,1.6,.5,1)}
@keyframes pop{
  0%{transform:scale(1)}
  45%{transform:scale(1.14)}
  100%{transform:scale(1)}
}
.lbl{
  margin-top:9px;font-size:.7rem;letter-spacing:.15em;
  text-transform:uppercase;color:var(--muted);
}

/* ---------- Chế độ cuối tuần ---------- */
.weekend-mode{text-align:center;padding:6px 0 2px;position:relative}
.big-emoji{
  font-size:74px;line-height:1;
  animation:bounce 1.3s ease-in-out infinite;
}
@keyframes bounce{
  0%,100%{transform:translateY(0) rotate(-7deg)}
  50%{transform:translateY(-18px) rotate(7deg)}
}
.big-text{
  font-size:clamp(1.5rem,6.2vw,2.4rem);
  font-weight:900;letter-spacing:.02em;margin-top:10px;
  background:linear-gradient(92deg,var(--yellow),var(--pink),var(--blue));
  background-size:220% auto;
  -webkit-background-clip:text;background-clip:text;color:transparent;
  animation:shine 4s linear infinite;
}
.sub{color:var(--muted);margin-top:12px;font-size:1rem}
.end-count{
  margin-top:20px;font-size:.95rem;color:#cfc6ff;
  background:rgba(255,255,255,.04);
  border:1px solid var(--border);
  border-radius:999px;padding:9px 18px;display:inline-block;
}
.end-count b{
  color:var(--yellow);
  font-family:ui-monospace,monospace;
  font-variant-numeric:tabular-nums;
}

/* ---------- Thanh tiến độ ---------- */
.progress-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:20px;
  padding:20px 22px;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.progress-head{
  display:flex;justify-content:space-between;align-items:center;
  font-size:.82rem;letter-spacing:.06em;color:var(--muted);
  text-transform:uppercase;margin-bottom:11px;
}
.progress-head span:last-child{color:var(--yellow);font-weight:800;font-size:.95rem}
.bar{
  height:12px;border-radius:999px;
  background:rgba(255,255,255,.07);
  overflow:hidden;
}
.fill{
  height:100%;width:0;border-radius:999px;
  background:linear-gradient(90deg,var(--purple),var(--pink),var(--yellow));
  background-size:220% auto;
  animation:shine 3s linear infinite;
  box-shadow:0 0 18px rgba(255,95,162,.55);
  transition:width .6s cubic-bezier(.4,0,.2,1);
}
.progress-foot{
  margin-top:11px;font-size:.85rem;
  color:var(--muted);text-align:center;
}

/* ---------- Cài đặt ---------- */
.settings{
  display:flex;flex-direction:column;gap:16px;align-items:center;
}
.settings-block{
  width:100%;
  display:flex;flex-direction:column;gap:10px;align-items:center;
}
.settings-label{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.78rem;color:var(--muted);
  letter-spacing:.1em;text-transform:uppercase;
}
.dot{
  width:9px;height:9px;border-radius:50%;
  box-shadow:0 0 10px currentColor;
}
.dot-work{background:#7dffb0;color:#7dffb0}
.dot-weekend{background:var(--pink);color:var(--pink)}

.pickers{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr;
  gap:10px;
  width:100%;
  max-width:440px;
}
.picker{display:flex;flex-direction:column;gap:6px}
.picker label{
  font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);text-align:center;
}

.select-wrap{position:relative}
.select-wrap::after{
  content:"▾";
  position:absolute;right:12px;top:50%;
  transform:translateY(-50%);
  color:var(--muted);pointer-events:none;
  font-size:.85rem;transition:color .18s;
}
.select-wrap:hover::after{color:var(--pink)}

select{
  width:100%;font:inherit;font-size:.95rem;font-weight:600;
  color:var(--text);
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  border:1px solid var(--border);
  border-radius:12px;
  padding:11px 34px 11px 14px;
  appearance:none;-webkit-appearance:none;
  cursor:pointer;
  transition:border-color .18s, box-shadow .18s;
  font-variant-numeric:tabular-nums;
}
select:hover{border-color:rgba(160,107,255,.55)}
select:focus{
  outline:none;border-color:var(--pink);
  box-shadow:0 0 0 3px rgba(255,95,162,.2);
}
select option{background:#1a1030;color:var(--text);padding:6px}

.reset-btn{
  font:inherit;font-size:.82rem;font-weight:600;
  color:var(--muted);cursor:pointer;
  padding:9px 16px;border-radius:999px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--border);
  transition:color .18s, border-color .18s, transform .18s;
}
.reset-btn:hover{
  color:var(--text);
  border-color:rgba(160,107,255,.55);
  transform:translateY(-2px);
}

.settings-note{
  font-size:.84rem;color:var(--muted);
  text-align:center;min-height:1.4em;
  transition:opacity .25s ease;padding:0 8px;
}
.settings-note.warn{color:var(--yellow)}

@media (max-width:520px){
  .pickers{gap:8px}
  select{font-size:.88rem;padding:10px 30px 10px 12px}
  .picker label{font-size:.6rem}
}

/* ---------- Footer ---------- */
.foot{
  text-align:center;color:var(--muted);
  font-size:.86rem;line-height:1.55;
  padding:6px 8px;min-height:2.6em;
}
#funFact{transition:opacity .35s ease;display:inline-block}

/* ---------- Confetti ---------- */
#confetti{
  position:fixed;inset:0;
  pointer-events:none;z-index:5;
}

/* ---------- Responsive ---------- */
@media (max-width:520px){
  body{padding:24px 14px 44px}
  .card{padding:22px 15px 22px;border-radius:22px}
  .grid{gap:8px}
  .unit{padding:15px 2px 11px;border-radius:14px}
  .lbl{font-size:.58rem;letter-spacing:.08em;margin-top:7px}
  .big-emoji{font-size:60px}
  .progress-card{padding:17px 16px}
  .chip{font-size:.82rem;padding:9px 14px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important}
}