* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: #1a1a2e;
  color: #e0e0e0;
  font-family: 'Segoe UI', system-ui, sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100vh;
  padding: calc(12px * var(--sh, 1)) calc(16px * var(--sw, 1));
  user-select: none;
  overflow: hidden;
}

h1 {
  font-size: calc(28px * var(--sh, 1));
  color: #c4b5fd;
  margin-bottom: calc(2px * var(--sh, 1));
  letter-spacing: 0.1em;
}

.top-bar {
  display: flex;
  align-items: center;
  gap: calc(8px * var(--sw, 1));
  margin-bottom: calc(4px * var(--sh, 1));
}

.mode-bar {
  display: flex;
  gap: calc(4px * var(--sw, 1));
}

.mode-btn {
  padding: calc(4px * var(--sh, 1)) calc(14px * var(--sw, 1));
  background: none;
  border: 1px solid #333;
  color: #666;
  border-radius: 4px;
  cursor: pointer;
  font-size: calc(14px * var(--sh, 1));
  transition: border-color 0.15s, color 0.15s;
}

.mode-btn:hover {
  border-color: #c4b5fd;
  color: #c4b5fd;
}

.mode-btn.active {
  border-color: #c4b5fd;
  color: #c4b5fd;
  background: #c4b5fd18;
}

.instructions {
  font-size: calc(14px * var(--sh, 1));
  color: #666;
  margin-bottom: calc(6px * var(--sh, 1));
}

.grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 4px;
  flex-shrink: 0;
}

.slot {
  aspect-ratio: 1;
  background: #16213e;
  border: 2px solid #0f3460;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: default;
  transition: border-color 0.15s, background 0.15s, box-shadow 0.15s;
  position: relative;
  overflow: hidden;
}

.slot.has-item { cursor: grab; }
.slot.has-item:active { cursor: grabbing; }

.slot.drag-over {
  border-color: #e94560;
  background: #1a1a3e;
}

.slot.drag-over-empty {
  border-color: #4ecca3;
  background: #1a2e3e;
}

.slot.combinable {
  border-color: #e9456066;
  box-shadow: 0 0 8px #e9456033;
}

.slot.cursored {
  outline: 2px solid #c4b5fd66;
  outline-offset: -2px;
}

.slot.selected {
  border-color: #c4b5fd;
  background: #252550;
  box-shadow: 0 0 12px #c4b5fd44;
}

.slot .key {
  position: absolute;
  bottom: 2px;
  left: 4px;
  font-size: calc(var(--cell, 80px) * 0.14);
  color: #334;
  pointer-events: none;
  font-family: monospace;
  text-transform: uppercase;
}

.slot.has-item .key,
.slot.selected .key {
  color: #445;
}

.item-icon {
  display: inline-block;
  width: 1em; height: 1em;
  background-color: currentColor;
  -webkit-mask-size: contain;
  mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: center;
  mask-position: center;
}

.slot .item-icon {
  font-size: calc(var(--cell, 80px) * 0.38);
  pointer-events: none;
}

.slot .label {
  font-size: calc(var(--cell, 80px) * 0.14);
  color: #8888aa;
  margin-top: calc(var(--cell, 80px) * 0.04);
  pointer-events: none;
  text-align: center;
  line-height: 1.3;
  overflow: visible;
  white-space: nowrap;
}

.slot .dur {
  position: absolute;
  top: 2px;
  right: 4px;
  font-size: calc(var(--cell, 80px) * 0.13);
  font-weight: bold;
  pointer-events: none;
}

.dur-high { color: #4ecca3; }
.dur-mid { color: #e9c46a; }
.dur-low { color: #e94560; }

.slot.dragging { opacity: 0.3; }

@keyframes fade-in {
  from { opacity: 0.3; }
  to { opacity: 1; }
}

.slot .slot-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.slot .slot-content.fading-out {
  transition: opacity 0.15s ease-out;
  opacity: 0.3;
}

@keyframes flash-success {
  0% { background: #4ecca344; }
  100% { background: #16213e; }
}

@keyframes flash-fail {
  0%, 20%, 40%, 60%, 80% { transform: translateX(0); }
  10%, 50% { transform: translateX(-3px); }
  30%, 70% { transform: translateX(3px); }
  90% { transform: translateX(0); }
}

.slot.combine-success { animation: flash-success 0.3s ease-out; }
.slot.combine-fail { animation: flash-fail 0.25s ease-out; }

.log {
  margin-top: calc(6px * var(--sh, 1));
  font-size: calc(14px * var(--sh, 1));
  text-align: center;
  height: 1.4em;
  flex-shrink: 0;
}

.log-entry {
  padding: 2px 0;
  animation: log-fade 3s ease-out forwards;
}
.log-entry.success { color: #4ecca3; }
.log-entry.fail { color: #e94560; }

@keyframes log-fade {
  0% { opacity: 1; }
  60% { opacity: 1; }
  100% { opacity: 0; }
}

#restart {
  margin-left: auto;
  padding: 0;
  background: none;
  border: none;
  color: #804040;
  cursor: pointer;
  font-size: calc(11px * var(--sh, 1));
  text-decoration: none;
  opacity: 0.7;
  flex-shrink: 0;
}
#restart:hover { color: #e94560; opacity: 1; }

.timer-bar {
  display: flex;
  align-items: center;
  gap: calc(8px * var(--sw, 1));
  margin-bottom: calc(6px * var(--sh, 1));
}

#timer {
  font-family: monospace;
  font-size: calc(20px * var(--sh, 1));
  color: #c4b5fd;
  min-width: 4em;
  text-align: right;
}

#timer.invalid { color: #555; text-decoration: line-through; }
#timer.finished { color: #4ecca3; }

#timer-label { color: #666; font-size: calc(14px * var(--sh, 1)); }

.win-overlay {
  position: fixed;
  inset: 0;
  background: #1a1a2eee;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.win-overlay.hidden { display: none; }

.win-box {
  text-align: center;
  animation: win-pop 0.4s ease-out;
}

@keyframes win-pop {
  0% { transform: scale(0.5); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

.win-emoji { font-size: 5rem; color: #c4b5fd; }
.win-title { font-size: 2.8rem; color: #c4b5fd; margin: 8px 0; }
.win-time { font-family: monospace; font-size: 1.6rem; color: #4ecca3; margin-bottom: 16px; }

#win-restart {
  padding: 8px 24px;
  background: none;
  border: 1px solid #c4b5fd;
  color: #c4b5fd;
  border-radius: 4px;
  cursor: pointer;
  font-size: 1.2rem;
}
#win-restart:hover { background: #c4b5fd22; }

.main-area {
  display: flex;
  gap: calc(16px * var(--sw, 1));
  align-items: center;
  justify-content: center;
  flex: 1;
  min-height: 0;
  width: 100%;
}

.hints-panel {
  width: calc(270px * var(--sw, 1));
  max-width: 30vw;
  max-height: 100%;
  overflow-y: auto;
  overflow-x: hidden;
  background: #16213e;
  border: 1px solid #0f3460;
  border-radius: 8px;
  padding: calc(8px * var(--sw, 1));
  flex-shrink: 0;
}

.hints-header {
  font-size: calc(17px * var(--sw, 1));
  font-weight: bold;
  color: #c4b5fd;
  text-align: center;
  padding-bottom: calc(6px * var(--sw, 1));
  border-bottom: 1px solid #0f3460;
  margin-bottom: calc(6px * var(--sw, 1));
}

.hints-list {
  display: flex;
  flex-direction: column;
  gap: calc(3px * var(--sw, 1));
}

.hint-row {
  display: flex;
  align-items: center;
  gap: calc(4px * var(--sw, 1));
  padding: calc(3px * var(--sw, 1)) calc(6px * var(--sw, 1));
  border-radius: 4px;
  font-size: calc(14px * var(--sw, 1));
  color: #8888aa;
  background: #1a1a2e;
  overflow: hidden;
  min-width: 0;
}

.hint-row.craftable {
  background: #1a2e2e;
  color: #b0b0cc;
  border: 1px solid #4ecca333;
}

.hint-item {
  display: inline-flex;
  align-items: center;
  gap: calc(2px * var(--sw, 1));
  white-space: nowrap;
  overflow: hidden;
  min-width: 0;
}

.hint-item .item-icon {
  font-size: calc(17px * var(--sw, 1));
}

.hint-item .hint-name {
  font-size: calc(13px * var(--sw, 1));
  overflow: hidden;
  text-overflow: ellipsis;
}

.hint-unknown {
  color: #555;
  font-size: calc(14px * var(--sw, 1));
}

.hint-sep {
  color: #555;
  font-size: calc(14px * var(--sw, 1));
  flex-shrink: 0;
}