/* Minimal, readable UI – no framework required */
:root{
  --bg:#0b1220;
  --panel:#111b2e;
  --panel2:#0f172a;
  --text:#e8eefc;
  --muted:#a9b7d6;
  --border:rgba(255,255,255,.08);
  --shadow:0 8px 30px rgba(0,0,0,.35);
  --ok:#2dd4bf;
  --warn:#f59e0b;
  --danger:#ef4444;
  --btn:#1f2a44;
  --btn2:#263458;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: radial-gradient(1200px 800px at 20% 0%, rgba(45,212,191,.18), transparent 40%),
              radial-gradient(900px 600px at 90% 10%, rgba(99,102,241,.18), transparent 42%),
              var(--bg);
  color:var(--text);
}

.container{
  width:min(1200px, calc(100% - 32px));
  margin:0 auto;
}

.app-header{
  position:sticky;
  top:0;
  z-index:5;
  backdrop-filter: blur(10px);
  background: rgba(11,18,32,.75);
  border-bottom: 1px solid var(--border);
}

.brand{padding:18px 0 6px}
.brand h1{
  margin:0;
  font-size: 20px;
  letter-spacing:.2px;
}
.brand p{
  margin:6px 0 0;
  font-size: 13px;
}

.muted{color:var(--muted)}

.controls{
  display:flex;
  gap:10px;
  align-items:end;
  flex-wrap:wrap;
  padding: 10px 0 14px;
}
.controls label{
  font-size: 12px;
  color: var(--muted);
}
select{
  background: var(--panel);
  color: var(--text);
  border:1px solid var(--border);
  border-radius:12px;
  padding:10px 12px;
  min-width: 140px;
  outline:none;
}
button{
  background: linear-gradient(180deg, var(--btn2), var(--btn));
  border:1px solid var(--border);
  border-radius:12px;
  padding:10px 12px;
  color: var(--text);
  cursor:pointer;
  box-shadow: 0 10px 24px rgba(0,0,0,.25);
  transition: transform .06s ease, opacity .2s ease;
}
button:hover{opacity:.95}
button:active{transform: translateY(1px)}
button.secondary{border-color: rgba(45,212,191,.35)}
button.danger{border-color: rgba(239,68,68,.45)}

.progress-row{
  display:flex;
  gap:12px;
  align-items:center;
  padding-bottom: 16px;
}
.progress-meta{
  min-width: 70px;
  text-align:left;
  font-size: 12px;
}
.progress-bar{
  flex:1;
  height: 10px;
  background: rgba(255,255,255,.06);
  border-radius: 999px;
  overflow:hidden;
  border:1px solid var(--border);
}
.progress-fill{
  height:100%;
  width:0%;
  background: linear-gradient(90deg, rgba(45,212,191,.95), rgba(99,102,241,.95));
  transition: width .25s ease;
}

.grid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  padding: 16px 0 24px;
}
@media (max-width: 980px){
  .grid{grid-template-columns: repeat(2, minmax(0, 1fr));}
}
@media (max-width: 680px){
  .grid{grid-template-columns: 1fr;}
}

.card{
  background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.02));
  border:1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow);
  overflow:hidden;
}
.card-header{
  padding: 14px 14px 10px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 10px;
}
.card-title{
  display:flex;
  flex-direction:column;
  gap:4px;
}
.card-title strong{font-size: 14px}
.card-title small{font-size: 12px; color: var(--muted)}
.card-actions{
  display:flex;
  gap: 8px;
  align-items:center;
}
.pill{
  font-size: 11px;
  color: var(--muted);
  border:1px solid var(--border);
  border-radius: 999px;
  padding: 6px 8px;
  background: rgba(255,255,255,.02);
}

.tasks{
  padding: 0 14px 14px;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.task{
  display:flex;
  gap:10px;
  align-items:flex-start;
  padding:10px 10px;
  border-radius: 14px;
  background: rgba(17,27,46,.65);
  border:1px solid rgba(255,255,255,.06);
}
.task input{margin-top:2px}
.task label{
  display:block;
  cursor:pointer;
  line-height: 1.25rem;
  font-size: 13px;
}
.task.done{
  opacity:.75;
  border-color: rgba(45,212,191,.22);
}
.task.done label{
  text-decoration: line-through;
  text-decoration-thickness: 2px;
  text-decoration-color: rgba(45,212,191,.55);
}

.footer{
  padding: 18px 0 28px;
  border-top: 1px solid var(--border);
}