:root {
  --blue-dark: #17365D;
  --blue-medium: #005BAC;
  --gold: #FFD700;
  --bg: #f4f6f8;
  --card: #ffffff;
  --text: #1e293b;
  --muted: #64748b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Inter, "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.lenu-wrap { max-width: 1100px; margin: 0 auto; padding: 1.5rem 1rem 3rem; }
.lenu-kicker {
  margin: 0 0 .35rem;
  font-size: .75rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--blue-medium);
}
.lenu-head h1 { margin: 0 0 .4rem; color: var(--blue-dark); font-size: clamp(1.6rem, 3vw, 2.1rem); }
.lenu-lead { margin: 0 0 1.25rem; color: var(--muted); }

.lenu-app {
  background: var(--card);
  border: 1px solid #d9e2ec;
  border-radius: 16px;
  padding: 1rem;
  box-shadow: 0 10px 24px -16px rgba(23,54,93,.35);
}

.lenu-bar, .lenu-edit {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  align-items: end;
  margin-bottom: .85rem;
}

.lenu-field { display: flex; flex-direction: column; gap: .25rem; min-width: 140px; flex: 1; }
.lenu-field span, .lenu-field label {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--muted);
}
.lenu-field input, .lenu-field select {
  height: 40px;
  border: 1px solid #c9d6e5;
  border-radius: 10px;
  padding: 0 .7rem;
  font: inherit;
  color: var(--blue-dark);
  background: #fff;
}

.lenu-btn {
  height: 40px;
  border: 0;
  border-radius: 10px;
  padding: 0 1rem;
  font-weight: 800;
  cursor: pointer;
  background: var(--blue-dark);
  color: #fff;
  border-bottom: 3px solid var(--gold);
}
.lenu-btn.ghost { background: #e8eef5; color: var(--blue-dark); border-bottom-color: #b9c7d6; }
.lenu-btn:hover { background: var(--blue-medium); color: #fff; }

.lenu-edit {
  background: #eef4fb;
  border: 1px dashed #9fb4cc;
  border-radius: 12px;
  padding: .8rem;
}
.lenu-edit h2 { margin: 0 0 .4rem; font-size: .95rem; color: var(--blue-dark); width: 100%; }

.lenu-stage {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) minmax(220px, .9fr);
  gap: 1rem;
  align-items: start;
}
@media (max-width: 800px) {
  .lenu-stage { grid-template-columns: 1fr; }
}

.lenu-board {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 2;
  background:
    linear-gradient(rgba(23,54,93,.06) 1px, transparent 1px) 0 0 / calc(100%/var(--cols)) calc(100%/var(--rows)),
    linear-gradient(90deg, rgba(23,54,93,.06) 1px, transparent 1px) 0 0 / calc(100%/var(--cols)) calc(100%/var(--rows)),
    #dce6f0;
  border: 2px solid var(--blue-dark);
  border-radius: 12px;
  overflow: hidden;
}

.lenu-slot {
  position: absolute;
  box-sizing: border-box;
}

.lenu-tray {
  min-height: 220px;
  background: #f7fafc;
  border: 1px dashed #b7c6d6;
  border-radius: 12px;
  padding: .6rem;
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  align-content: flex-start;
}

.lenu-piece {
  position: relative;
  cursor: grab;
  touch-action: none;
  background-repeat: no-repeat;
  box-shadow: 0 4px 10px -6px rgba(23,54,93,.5);
  user-select: none;
}
.lenu-piece:active { cursor: grabbing; }
.lenu-piece.is-dragging { z-index: 20; opacity: .95; }
.lenu-piece.is-locked {
  cursor: default;
  pointer-events: none;
  box-shadow: inset 0 0 0 2px #FFD700;
}
.lenu-piece.is-snapping {
  animation: lenu-snap .32s cubic-bezier(.2, 1.4, .3, 1);
}
.lenu-slot.is-filled {
  animation: lenu-slot-glow .45s ease;
}
.lenu-board.is-complete {
  animation: lenu-complete .7s ease;
  box-shadow: 0 0 0 3px var(--gold), 0 16px 28px -14px rgba(23,54,93,.45);
}

@keyframes lenu-snap {
  0%   { transform: scale(1.12); filter: brightness(1.25); }
  55%  { transform: scale(0.96); }
  100% { transform: scale(1); filter: brightness(1); }
}
@keyframes lenu-slot-glow {
  0%   { box-shadow: inset 0 0 0 3px #FFD700; }
  100% { box-shadow: none; }
}
@keyframes lenu-complete {
  0%   { transform: scale(1.015); }
  40%  { transform: scale(0.99); }
  100% { transform: scale(1); }
}

@media (prefers-reduced-motion: reduce) {
  .lenu-piece.is-snapping,
  .lenu-slot.is-filled,
  .lenu-board.is-complete {
    animation: none !important;
    filter: none !important;
    transform: none !important;
  }
}

.lenu-app.lenu-reduce-motion .lenu-piece.is-snapping,
.lenu-app.lenu-reduce-motion .lenu-slot.is-filled,
.lenu-app.lenu-reduce-motion .lenu-board.is-complete {
  animation: none !important;
  filter: none !important;
  transform: none !important;
}

.lenu-piece.patron-cuadrado { border-radius: 2px; }
.lenu-piece.patron-redondeado { border-radius: 18%; }
.lenu-piece.patron-clasico { filter: drop-shadow(0 2px 3px rgba(23,54,93,.25)); }

.lenu-status {
  margin-top: .75rem;
  font-weight: 700;
  color: var(--blue-dark);
}
.lenu-status.win { color: #0f7a4a; }

.lenu-hint { font-size: .8rem; color: var(--muted); margin: .2rem 0 0; }

.lenu-piece:focus-visible,
.lenu-btn:focus-visible,
.lenu-field input:focus-visible,
.lenu-field select:focus-visible {
  outline: 3px solid var(--blue-medium);
  outline-offset: 2px;
}
.lenu-piece[aria-grabbed="true"] {
  outline: 3px dashed var(--gold);
}

.lenu-slot.is-target {
  box-shadow: inset 0 0 0 3px var(--blue-medium);
  background: rgba(0, 91, 172, 0.12);
}