:root{
  --bg: #0b1020;
  --panel: rgba(255,255,255,0.06);
  --panel-strong: rgba(255,255,255,0.09);
  --border: rgba(255,255,255,0.10);
  --text: rgba(255,255,255,0.92);
  --muted: rgba(255,255,255,0.60);
  --shadow: 0 14px 40px rgba(0,0,0,0.45);
  --radius: 18px;
  --radius-sm: 12px;
}

*{ box-sizing: border-box; }
html, body { height: 100%; }

body{
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial;
  color: var(--text);
  background:
    radial-gradient(1200px 700px at 15% 10%, rgba(118, 33, 220, 0.35), transparent 55%),
    radial-gradient(900px 600px at 85% 20%, rgba(34, 198, 149, 0.20), transparent 60%),
    radial-gradient(900px 600px at 50% 110%, rgba(255, 255, 255, 0.06), transparent 60%),
    var(--bg);
}

.topbar{
  display:flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 22px 18px;
  max-width: 1200px;
  margin: 0 auto;
}

.brand{ display:flex; align-items:center; gap:14px; }
.logo{
  width: 44px; height: 44px;
  display:grid; place-items:center;
  border-radius: 14px;
  background: linear-gradient(140deg, rgba(118,33,220,0.85), rgba(255,255,255,0.06));
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  font-weight: 800;
  letter-spacing: 0.5px;
}

h1{ margin: 0; font-size: 18px; }
p{ margin: 4px 0 0; }
.muted{ color: var(--muted); }
.small{ font-size: 12px; }

.topbar-actions{ display:flex; gap: 10px; }

.btn{
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.10);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 12px;
  cursor: pointer;
  transition: transform .08s ease, background .15s ease, border-color .15s ease;
}
.btn:hover{
  background: rgba(255,255,255,0.14);
  border-color: rgba(255,255,255,0.16);
}
.btn:active{ transform: translateY(1px); }
.btn-ghost{
  background: transparent;
}

.board{
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 18px 26px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.column{
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  min-height: 62vh;
  box-shadow: 0 10px 24px rgba(0,0,0,0.18);
  backdrop-filter: blur(10px);
}

.column-head{
  display:flex;
  align-items:flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.column h2{
  margin: 0;
  font-size: 16px;
}

.count{
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.08);
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  min-width: 34px;
  text-align: center;
}

.list{
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 120px;
}

.list:empty::before{
  content: "Drop tasks here";
  display: block;
  color: var(--muted);
  font-size: 12px;
  padding: 14px 10px;
  border: 1px dashed rgba(255,255,255,0.22);
  border-radius: 14px;
  text-align: center;
}

.card{
  background: var(--panel-strong);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-sm);
  padding: 12px;
  cursor: grab;
  user-select: none;
  box-shadow: 0 8px 18px rgba(0,0,0,0.18);
}
.card:active{ cursor: grabbing; }
.card.dragging{
  opacity: 0.6;
  transform: rotate(0.4deg);
}

.card-title{
  display:flex;
  align-items:flex-start;
  justify-content: space-between;
  gap: 10px;
}
.card h3{
  margin: 0;
  font-size: 14px;
  line-height: 1.25;
}
.card p{
  margin: 8px 0 0;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.35;
}

.card-footer{
  margin-top: 12px;
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 10px;
}

.pill{
  font-size: 11px;
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.06);
}

.pill.low{   outline: 1px solid rgba(34,198,149,0.25); }
.pill.medium{outline: 1px solid rgba(255,200,87,0.25); }
.pill.high{  outline: 1px solid rgba(255,90,124,0.25); }

.card-actions{
  display:flex;
  gap: 8px;
}

.icon-btn{
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(0,0,0,0.18);
  color: var(--text);
  border-radius: 10px;
  padding: 6px 8px;
  cursor: pointer;
}
.icon-btn:hover{
  background: rgba(255,255,255,0.10);
}

.modal-backdrop{
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(6px);
}

.modal{
  border: none;
  padding: 0;
  background: transparent;
}

.modal::backdrop{
  background: transparent; /* we use our own backdrop */
}

.modal-card{
  width: min(520px, calc(100vw - 26px));
  margin: 0;
  background: rgba(20, 24, 40, 0.92);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px;
}

.modal-head{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}
.modal-head h3{
  margin: 0;
  font-size: 15px;
}

.field{
  display:flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 12px;
}
.field span{
  font-size: 12px;
  color: var(--muted);
}

input, textarea, select{
  width: 100%;
  padding: 10px 10px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.06);
  color: var(--text);
  outline: none;
}
textarea{ resize: vertical; }

.modal-actions{
  display:flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 14px;
}

@media (max-width: 980px){
  .board{ grid-template-columns: 1fr; }
  .column{ min-height: auto; }
}