/* -------------------------
   HaloTasks — Modern To-Do
   ------------------------- */

:root{
  --bg: #0b1220;
  --panel: #0f1724;
  --muted: #98a0aa;
  --text: #e6eef8;
  --accent: #6ee7b7; /* mint */
  --accent-2: #60a5fa; /* sky */
  --danger: #fb7185;
  --glass: rgba(255,255,255,0.03);
  --radius: 12px;
  --gap: 14px;
  --shadow: 0 10px 30px rgba(2,6,23,0.6);
  font-synthesis: none;
}

/* Base reset */
* { box-sizing: border-box; }
html,body { height:100%; }
body {
  margin:0;
  padding-top:5px;
  padding-bottom:5px;
  margin-top: 5px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  background: linear-gradient(180deg,#071021 0%, var(--bg) 100%);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:32px;
}

/* App frame */
.app {
  width:min(960px,96vw);
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  border-radius:18px;
  padding:18px;
  box-shadow: var(--shadow);
  border:1px solid rgba(255,255,255,0.03);
}

/* Header */
.app-header {
  display:flex;
  align-items:flex-start;
  gap:18px;
  margin-bottom:8px;
}
.brand { display:flex; align-items:center; gap:12px; }
.logo { width:44px; height:44px; color:var(--accent-2); }
h1 { margin:0; font-size:1.25rem; letter-spacing:0.2px; }
.subtitle { margin:0; color:var(--muted); font-size:0.92rem; margin-top:4px; margin-left:auto; }

/* Main layout */
.main { padding-top:6px; }
.task-creator {
  display:flex;
  gap:10px;
  align-items:center;
  margin-bottom:12px;
}
.task-input{
  flex:1;
  background:var(--glass);
  border:1px solid rgba(255,255,255,0.04);
  padding:12px 14px;
  border-radius:12px;
  color:var(--text);
  font-size:1rem;
  transition: box-shadow .18s ease, transform .12s ease, border-color .18s;
  outline:none;
}
.task-input:focus{
  box-shadow: 0 6px 18px rgba(96,165,250,0.08);
  border-color: rgba(96,165,250,0.55);
  transform: translateY(-1px);
}

/* Buttons */
.btn{
  padding:10px 14px;
  border-radius:10px;
  font-weight:600;
  cursor:pointer;
  border:none;
  background:transparent;
  color:var(--text);
  transition: transform .12s ease, opacity .12s ease, background .12s;
}
.btn:active{ transform: translateY(1px) scale(.997); }

/* Primary button */
.btn.primary{
  background: linear-gradient(90deg,var(--accent), var(--accent-2));
  color:#04212a;
  box-shadow: 0 6px 18px rgba(110,231,183,0.08), inset 0 -2px 6px rgba(255,255,255,0.02);
}
.btn.primary:disabled{ opacity:.6; cursor:not-allowed; }

/* Ghost button */
.btn.ghost{
  background: transparent;
  color:var(--muted);
  border-radius:10px;
  padding:8px 10px;
}

/* Controls row */
.controls{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:14px;
}
.filters{ display:flex; gap:8px; }
.filter-btn{
  background:transparent;
  border:1px solid rgba(255,255,255,0.03);
  border-radius:999px;
  padding:8px 12px;
  color:var(--muted);
  cursor:pointer;
  transition: all .18s ease;
  font-weight:600;
}
.filter-btn.active{
  background: linear-gradient(90deg,var(--accent), var(--accent-2));
  color:#04212a;
  box-shadow: 0 6px 18px rgba(96,165,250,0.06);
}

/* Task list (card grid) */
.list-wrap{
  margin-bottom:14px;
}
.task-list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap:var(--gap);
}

/* Card item */
.task-item{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:12px;
  background: linear-gradient(180deg, rgba(255,255,255,0.01), rgba(255,255,255,0.015));
  border-radius:12px;
  border:1px solid rgba(255,255,255,0.03);
  transition: transform .18s cubic-bezier(.2,.8,.2), box-shadow .18s;
  position:relative;
  overflow:hidden;
}
.task-item:hover{ transform: translateY(-6px); box-shadow: 0 10px 30px rgba(2,6,23,0.5); }

/* Checkbox */
.checkwrap{
  --size:22px;
  width:var(--size);
  height:var(--size);
  border-radius:6px;
  background:transparent;
  border:1px solid rgba(255,255,255,0.06);
  display:grid;
  place-items:center;
  cursor:pointer;
  flex:0 0 var(--size);
  transition: background .16s ease, border-color .16s ease, transform .12s;
}
.checkwrap.checked{
  background: linear-gradient(90deg,var(--accent), var(--accent-2));
  border-color:transparent;
  transform: scale(.98);
}
.checkmark{
  width:14px; height:14px; opacity:0; transform:scale(.6);
  transition: opacity .18s ease, transform .18s ease;
  color:#04212a;
}
.checkwrap.checked .checkmark{ opacity:1; transform:scale(1); }

/* Task text */
.task-body{ flex:1; min-width:0; }
.task-text{
  margin:0; font-weight:600; color:var(--text);
  word-break:break-word;
  transition: color .12s ease, text-decoration .12s;
}
.task-text.completed{
  color:var(--muted);
  text-decoration: line-through;
  opacity:0.9;
}

/* Inline edit input */
.edit-input{
  width:100%;
  padding:8px 10px;
  border-radius:8px;
  border:1px solid rgba(255,255,255,0.04);
  background:transparent;
  color:var(--text);
  outline:none;
  font-weight:600;
}

/* Meta row (small controls) */
.meta{
  display:flex; gap:8px; align-items:center; margin-top:8px;
}
.small{
  font-size:0.85rem; color:var(--muted);
  background:transparent; border:none; cursor:default;
}

/* Action buttons */
.actions{ display:flex; gap:8px; align-items:center; }
.icon-btn{
  background:transparent; border:none; padding:6px; border-radius:8px; color:var(--muted); cursor:pointer;
  transition: background .12s, color .12s;
}
.icon-btn:hover{ background: rgba(255,255,255,0.02); color:var(--text); }

/* Delete animation */
.task-item.removing{
  animation: slideOut .32s ease forwards;
}
@keyframes slideOut{
  to { opacity:0; transform: translateY(12px) scale(.98); height:0; margin:0; padding:0; }
}

/* Add animation */
@keyframes popIn {
  from { transform: scale(.98); opacity:0; }
  to { transform: scale(1); opacity:1; }
}
.task-item.new{ animation: popIn .18s ease; }

/* Footer */
.footer{ display:flex; justify-content:space-between; gap:12px; align-items:center; color:var(--muted); padding-top:8px; }

/* Small screens */
@media (max-width:640px){
  body{ padding:18px; }
  .task-list{ grid-template-columns: 1fr; }
  .subtitle{ display:none; }
  .brand h1{ font-size:1rem; }
  .task-input{ font-size:0.98rem; }
}