:root {
  --bg: #0b1220;
  --panel: rgba(255, 255, 255, 0.06);
  --panel-strong: rgba(255, 255, 255, 0.09);
  --border: rgba(255, 255, 255, 0.14);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.62);

  --shadow: 0 14px 40px rgba(0,0,0,0.35);

  /* Tag colors (your scheme) */
  --light-blue: #76c7ff;   /* Light Build */
  --deep-blue:  #1c3e9a;   /* Deep Build */
  --open-green: #0e4f2f;   /* Open */
  --learn-green:#33c26b;   /* Learning */
  --plan-yellow:#b58900;   /* Planning (dark yellow) */

  /* Eisenhower quadrant surfaces (post-it style) */
--quad-do: rgba(28, 62, 154, 0.28);        /* Deep Blue */
--quad-schedule: rgba(118, 199, 255, 0.22);/* Light Blue */
--quad-delegate: rgba(181, 137, 0, 0.22);  /* Dark Yellow */
--quad-eliminate: rgba(14, 79, 47, 0.32);  /* Dark Green */


  --danger: #ff3b3b;
  --danger-bg: rgba(255, 59, 59, 0.12);

  --radius: 16px;
  --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, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background:
    radial-gradient(1000px 600px at 15% 10%, rgba(118, 199, 255, 0.10), transparent 55%),
    radial-gradient(900px 600px at 85% 20%, rgba(51, 194, 107, 0.10), transparent 55%),
    radial-gradient(1200px 800px at 40% 120%, rgba(28, 62, 154, 0.12), transparent 60%),
    var(--bg);
  color: var(--text);
}

.app-header {
  padding: 28px 22px 14px;
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  gap: 14px;
}

.app-title h1 {
  margin: 0;
  font-size: 26px;
  letter-spacing: 0.2px;
}
.subtitle {
  margin: 6px 0 0;
  color: var(--muted);
  line-height: 1.35;
}

.tag-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.legend-pill {
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.06);
  font-size: 12px;
  letter-spacing: 0.2px;
}

.app {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 22px 110px; /* leave room for floating button */
  display: grid;
  gap: 14px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
}

.panel h2 {
  margin: 0 0 12px;
  font-size: 15px;
  letter-spacing: 0.35px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
}

/* Task creation */
.task-form {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: end;
}

.field { display: grid; gap: 6px; }
.field.grow { flex: 1 1 320px; }

.label {
  font-size: 12px;
  color: var(--muted);
}

select, input {
  height: 40px;
  padding: 0 12px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(0,0,0,0.25);
  color: var(--text);
  outline: none;
}

select:focus, input:focus {
  border-color: rgba(118, 199, 255, 0.55);
  box-shadow: 0 0 0 4px rgba(118, 199, 255, 0.12);
}

.hint {
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
}

/* 2x2 grid */
.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

@media (max-width: 880px) {
  .grid { grid-template-columns: 1fr; }
}

.quadrant {
  position: relative;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.18);
  overflow: hidden;

  background:
    linear-gradient(
      180deg,
      rgba(255,255,255,0.10),
      rgba(255,255,255,0.02)
    );

  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.12),
    0 10px 30px rgba(0,0,0,0.35);
}

.quadrant[data-zone="do"] {
  background-color: var(--quad-do);
}

.quadrant[data-zone="schedule"] {
  background-color: var(--quad-schedule);
}

.quadrant[data-zone="delegate"] {
  background-color: var(--quad-delegate);
}

.quadrant[data-zone="eliminate"] {
  background-color: var(--quad-eliminate);
}


.quad-head {
  padding: 12px 14px;
  background: rgba(0,0,0,0.18);
  border-bottom: 1px solid rgba(255,255,255,0.18);
  backdrop-filter: blur(4px);
}

.quad-head h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 750;
  letter-spacing: 0.3px;
}

.quad-head p {
  margin: 4px 0 0;
  font-size: 12px;
  color: rgba(255,255,255,0.75);
}


.dropzone {
  min-height: 150px;
  padding: 10px;
  display: grid;
  gap: 10px;
  align-content: start;
}

/* Unassigned */
.unassigned-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}
.muted { color: var(--muted); margin: 0; }

/* Task cards */
.task {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 10px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.05);
  cursor: grab;
  user-select: none;
  transition: transform 120ms ease, background 120ms ease, border-color 120ms ease, opacity 120ms ease;
    box-shadow:
    0 4px 12px rgba(0,0,0,0.35),
    inset 0 1px 0 rgba(255,255,255,0.08);
}

.task:active { cursor: grabbing; transform: scale(0.995); }

.task:hover {
  background: rgba(255,255,255,0.07);
  border-color: rgba(255,255,255,0.22);
}

.task-main {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.badge {
  font-size: 11px;
  padding: 6px 9px;
  border-radius: 999px;
  font-weight: 650;
  letter-spacing: 0.2px;
  border: 1px solid rgba(255,255,255,0.18);
  white-space: nowrap;
}

.task-text {
  font-size: 14px;
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.task-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.done-indicator {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  border: 1px solid rgba(255,255,255,0.22);
  background: rgba(255,255,255,0.04);
}

/* Completed state */
.task.completed {
  opacity: 0.62;
  background: rgba(0,0,0,0.22);
  border-color: rgba(255,255,255,0.10);
}

.task.completed .task-text {
  text-decoration: line-through;
  text-decoration-thickness: 2px;
  text-decoration-color: rgba(255,255,255,0.85);
}

.task.completed .done-indicator {
  background: rgba(255,255,255,0.65);
}

/* Drop target visuals */
.dropzone.drag-over {
  outline: 3px dashed rgba(255,255,255,0.65);
  outline-offset: -8px;
  background:
    repeating-linear-gradient(
      45deg,
      rgba(255,255,255,0.10),
      rgba(255,255,255,0.10) 8px,
      rgba(255,255,255,0.02) 8px,
      rgba(255,255,255,0.02) 16px
    );
}


/* Buttons */
.btn {
  height: 40px;
  padding: 0 14px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.16);
  background: rgba(255,255,255,0.06);
  color: var(--text);
  cursor: pointer;
  font-weight: 650;
  letter-spacing: 0.2px;
  transition: transform 120ms ease, background 120ms ease, border-color 120ms ease;
}

.btn:hover {
  background: rgba(255,255,255,0.09);
  border-color: rgba(255,255,255,0.22);
}

.btn:active { transform: translateY(1px); }

.btn.primary {
  border-color: rgba(118, 199, 255, 0.35);
  background: rgba(118, 199, 255, 0.10);
}

.btn.primary:hover {
  background: rgba(118, 199, 255, 0.14);
  border-color: rgba(118, 199, 255, 0.50);
}

/* Floating danger CTA */
.btn.danger {
  border-color: rgba(255,59,59,0.55);
  background: var(--danger-bg);
  box-shadow: 0 18px 55px rgba(0,0,0,0.45);
}

.btn.danger:hover {
  background: rgba(255, 59, 59, 0.18);
  border-color: rgba(255,59,59,0.72);
}

.btn.floating {
  position: fixed;
  right: 18px;
  bottom: 18px;
  height: 46px;
  padding: 0 16px;
  border-radius: 14px;
  z-index: 10;
}

/* Tag badge colors (high contrast + readable) */
.tag-light { background: rgba(118, 199, 255, 0.16); border-color: rgba(118, 199, 255, 0.45); }
.tag-deep  { background: rgba(28, 62, 154, 0.35);  border-color: rgba(28, 62, 154, 0.70); }
.tag-open  { background: rgba(14, 79, 47, 0.42);   border-color: rgba(14, 79, 47, 0.80); }
.tag-learning { background: rgba(51, 194, 107, 0.18); border-color: rgba(51, 194, 107, 0.55); }
.tag-planning { background: rgba(181, 137, 0, 0.22); border-color: rgba(181, 137, 0, 0.65); }