:root {
  --bg: #101113;
  --panel: #17191d;
  --panel-2: #1f2328;
  --panel-3: #262c33;
  --text: #f5f7fb;
  --muted: #9ba3af;
  --line: rgba(255, 255, 255, .08);
  --accent: #ff5c8a;
  --accent-2: #ff9b61;
  --success: #34d399;
  --shadow: 0 20px 60px rgba(0, 0, 0, .35);
  --radius: 22px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: Inter, system-ui, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(255, 92, 138, .16), transparent 28%),
    radial-gradient(circle at top right, rgba(255, 155, 97, .12), transparent 24%),
    linear-gradient(180deg, #0f1012 0%, #14171b 100%);
  color: var(--text);
  min-height: 100vh;
}

.app-shell {
  width: min(1200px, calc(100% - 32px));
  margin: 32px auto;
  display: grid;
  gap: 24px;
}

.hero-card,
.panel {
  background: rgba(23, 25, 29, .88);
  border: 1px solid var(--line);
  backdrop-filter: blur(14px);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-card {
  padding: 28px;
}

.hero-top {
  display: flex;
  gap: 24px;
  justify-content: space-between;
  align-items: flex-start;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent-2);
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: .18em;
}

h1 {
  margin: 0;
  font-size: clamp(32px, 5vw, 56px);
  line-height: 1;
}

.sub {
  color: var(--muted);
  max-width: 60ch;
  margin-top: 12px;
}

.stats {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.stat {
  min-width: 110px;
  padding: 14px 16px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 18px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-label {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 6px;
}

.stat strong {
  font-size: 28px;
}

.controls {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 22px;
}

.btn {
  border: 0;
  cursor: pointer;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform .18s ease, opacity .18s ease, background .18s ease;
}

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

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  color: white;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.btn-secondary {
  color: white;
  background: var(--panel-3);
  border: 1px solid var(--line);
}

.btn-ghost {
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--line);
}

.picked-card {
  margin-top: 20px;
  padding: 22px;
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(255, 255, 255, .04), rgba(255, 255, 255, .02));
  border: 1px solid var(--line);
}

.picked-label {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 13px;
}

.picked-card h2 {
  margin: 0;
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.15;
}

.board-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.panel {
  padding: 22px;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.panel-head h3 {
  margin: 0;
  font-size: 20px;
}

.pill {
  font-size: 12px;
  color: var(--accent-2);
  border: 1px solid rgba(255, 155, 97, .25);
  background: rgba(255, 155, 97, .08);
  padding: 8px 10px;
  border-radius: 999px;
}

.pill-done {
  color: var(--success);
  border-color: rgba(52, 211, 153, .25);
  background: rgba(52, 211, 153, .08);
}

.item-list {
  display: grid;
  gap: 12px;
}

.item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 14px 14px 14px 12px;
  border-radius: 18px;
  background: var(--panel-2);
  border: 1px solid var(--line);
}

.item.done {
  opacity: .66;
  background: rgba(52, 211, 153, .08);
  border-color: rgba(52, 211, 153, .18);
}

.item.done .item-text {
  text-decoration: line-through;
  color: #cad4df;
}

.badge {
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  display: inline-grid;
  place-items: center;
  border-radius: 999px;
  background: rgba(255, 255, 255, .08);
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.item.done .badge {
  background: var(--success);
  color: #08130f;
}

.item-text {
  margin: 0;
  line-height: 1.45;
}

.empty {
  padding: 18px;
  border-radius: 18px;
  border: 1px dashed var(--line);
  color: var(--muted);
  text-align: center;
}

@media (max-width: 900px) {
  .board-grid {
    grid-template-columns: 1fr;
  }

  .hero-top {
    flex-direction: column;
  }
}

.grid-panel {
  padding: 22px;
}

.grid-board {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.grid-tile {
  min-height: 128px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--text);
  padding: 14px;
  text-align: left;
  font-weight: 600;
  line-height: 1.3;
}

.grid-tile.done {
  background: rgba(52, 211, 153, .14);
  border-color: rgba(52, 211, 153, .3);
  color: #d9f8ea;
  text-decoration: line-through;
}

.grid-tile:hover {
  transform: translateY(-1px);
}

.grid-tile small {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
}

@media (max-width: 900px) {
  .grid-board {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .grid-board {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .app-shell {
    width: min(100%, calc(100% - 20px));
    margin: 16px auto 28px;
    gap: 16px;
  }

  .hero-card,
  .panel,
  .grid-panel {
    padding: 18px;
    border-radius: 18px;
  }

  h1 {
    font-size: clamp(28px, 9vw, 40px);
  }

  .sub {
    font-size: 15px;
  }

  .stats {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
  }

  .stat {
    min-width: 0;
  }

  .controls {
    display: grid;
    grid-template-columns: 1fr;
    width: 100%;
  }

  .btn {
    width: 100%;
    min-height: 50px;
  }

  .panel-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .picked-card h2 {
    font-size: clamp(20px, 6vw, 28px);
  }

  .grid-board {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

  .grid-tile {
    min-height: 110px;
    padding: 12px;
    font-size: 14px;
  }
}

@media (max-width: 480px) {
  .app-shell {
    width: min(100%, calc(100% - 14px));
    margin: 10px auto 20px;
  }

  .hero-card,
  .panel,
  .grid-panel {
    padding: 14px;
    border-radius: 16px;
  }

  .stats {
    grid-template-columns: 1fr;
  }

  .grid-board {
    grid-template-columns: 1fr;
  }

  .grid-tile {
    min-height: unset;
    padding: 14px;
  }

  .item {
    padding: 12px;
  }

  .badge {
    width: 24px;
    height: 24px;
    font-size: 12px;
  }
}