* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #1b1f3a, #0b0e1a 60%);
  color: #eef1f6;
  min-height: 100vh;
  display: flex;
  align-items: stretch;
}

.app {
  display: flex;
  flex-direction: column;
  width: 100%;
  padding: 24px;
  gap: 20px;
}

.header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}

.title h1 {
  margin: 0;
  font-size: 2rem;
  color: #fff;
}

.title p {
  margin: 6px 0 0;
  color: #b2b6c7;
}

.controls {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

button {
  background: #3d4bff;
  border: none;
  color: white;
  padding: 10px 16px;
  border-radius: 10px;
  font-weight: 600;
  cursor: pointer;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

button.secondary {
  background: #1a2142;
  color: #dfe4f7;
  border: 1px solid rgba(90, 110, 200, 0.35);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

button:not(:disabled):hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(61, 75, 255, 0.3);
}

.toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #151930;
  padding: 8px 12px;
  border-radius: 10px;
}

.select {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #151930;
  padding: 8px 12px;
  border-radius: 10px;
  color: #b7bdd5;
  font-size: 0.9rem;
}

.select select {
  background: #0f1326;
  border: 1px solid #2b3150;
  color: #eef1f6;
  border-radius: 8px;
  padding: 4px 8px;
  font-weight: 600;
}

.main {
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: stretch;
}

.game-column {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  width: 100%;
  overflow-x: auto;
}

.panel {
  background: rgba(20, 24, 45, 0.9);
  border-radius: 16px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

.panel h2 {
  margin: 0;
}

.stats {
  display: grid;
  gap: 6px;
}

.preview {
  display: grid;
  gap: 8px;
  align-items: center;
}

.preview canvas {
  width: 120px;
  height: 120px;
  background: #0f1326;
  border-radius: 10px;
  border: 1px solid #2b3150;
}

.game {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  background: linear-gradient(
    135deg,
    rgba(19, 24, 50, 0.9),
    rgba(14, 18, 36, 0.9)
  );
  border-radius: 18px;
  padding: 16px;
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.35);
  width: 100%;
}

.shift-banner {
  display: grid;
  gap: 6px;
  padding: 12px 18px;
  border-radius: 14px;
  background: rgba(13, 18, 38, 0.9);
  border: 1px solid rgba(94, 120, 200, 0.4);
  text-align: center;
  min-width: 260px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  margin: 0 auto;
}

.shift-banner-title {
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #7d8bba;
}

.shift-banner-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.95rem;
  color: #d9def0;
}

.shift-banner strong {
  color: #ffffff;
  font-size: 1.1rem;
}

.shift-banner.urgent {
  border-color: rgba(255, 140, 90, 0.7);
  box-shadow: 0 0 24px rgba(255, 140, 90, 0.45);
}

.shift-banner.shifting {
  border-color: rgba(96, 200, 255, 0.8);
  box-shadow: 0 0 30px rgba(96, 200, 255, 0.6);
  animation: shiftPulse 1.2s ease-in-out infinite;
}

@keyframes shiftPulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.04);
  }
  100% {
    transform: scale(1);
  }
}

#game {
  height: auto;
  width: auto;
  max-width: 100%;
  max-height: 100%;
  image-rendering: pixelated;
  border-radius: 12px;
  background: #0b0f1e;
  border: 1px solid #22284a;
  display: block;
}

.next-tray {
  display: grid;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  width: 100%;
}

.next-tray .next-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 4px 6px;
  background: rgba(10, 14, 28, 0.75);
  border-radius: 10px;
  border: 1px solid rgba(70, 82, 150, 0.35);
  min-width: 64px;
}

.next-tray .next-card span {
  font-size: 0.7rem;
  color: #aeb7d8;
  letter-spacing: 0.06em;
}

.next-tray canvas {
  width: 56px;
  height: 56px;
  image-rendering: pixelated;
}

.controls-doc {
  width: 100%;
  background: rgba(14, 19, 40, 0.9);
  border-radius: 14px;
  border: 1px solid rgba(86, 105, 190, 0.35);
  padding: 12px 16px;
  color: #c7cde2;
  display: grid;
  gap: 10px;
}

.controls-doc h3 {
  margin: 0;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #97a3cf;
}

.controls-doc .controls-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.controls-doc .control-card {
  background: rgba(8, 12, 24, 0.7);
  border-radius: 12px;
  padding: 10px 12px;
  border: 1px solid rgba(70, 82, 150, 0.3);
}

.players {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  width: 100%;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(6, 8, 18, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 100;
}

.modal.hidden {
  display: none;
}

.setup-modal .modal-content {
  display: grid;
  gap: 16px;
}

.setup-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
}

.setup-field {
  display: grid;
  gap: 6px;
  font-size: 0.9rem;
  color: #c9d0ea;
}

.setup-field select,
.setup-field input {
  background: #0f1326;
  border: 1px solid #2b3150;
  color: #eef1f6;
  border-radius: 8px;
  padding: 8px 10px;
  font-weight: 600;
}

.setup-mode-description {
  grid-column: 1 / -1;
  padding: 10px 12px;
  border-radius: 12px;
  color: #b7c0e1;
  font-size: 0.9rem;
}

.setup-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  flex-wrap: wrap;
}

.setup-actions .secondary {
  min-width: 120px;
}

.start-button {
  background: linear-gradient(135deg, #4a5bff, #6d7bff);
  padding: 12px 22px;
  border-radius: 14px;
  font-size: 1rem;
  box-shadow: 0 10px 24px rgba(88, 104, 255, 0.35);
}

.start-button:hover {
  transform: translateY(-1px) scale(1.02);
  box-shadow: 0 14px 30px rgba(88, 104, 255, 0.45);
}

.footer.hidden {
  display: none;
}

body.setup-open .config-control {
  display: none;
}

body:not(.setup-open) .title {
  display: none;
}

.modal-content {
  background: #121733;
  border-radius: 16px;
  padding: 20px;
  width: min(450px, 100%);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(85, 100, 180, 0.4);
  max-height: 80vh;
  overflow: auto;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.controls-list {
  display: grid;
  gap: 12px;
  margin-top: 12px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.controls-list .control-card {
  background: rgba(8, 12, 24, 0.7);
  border-radius: 12px;
  padding: 12px 14px;
  border: 1px solid rgba(70, 82, 150, 0.3);
  color: #d4d9ea;
}

.overlay {
  position: absolute;
  inset: 16px;
  border-radius: 12px;
  background: rgba(7, 9, 20, 0.78);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 20px;
}

.overlay.hidden {
  display: none;
}

.overlay-content h2 {
  margin: 0 0 8px;
  font-size: 2rem;
}

.footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.95rem;
  color: #aab0c6;
  gap: 16px;
  flex-wrap: wrap;
}

.shift-control {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 6px 12px;
  border-radius: 12px;
  background: rgba(21, 25, 48, 0.7);
  border: 1px solid rgba(77, 90, 160, 0.35);
  color: #d4d9ea;
}

.start-level-control {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 6px 12px;
  border-radius: 12px;
  background: rgba(21, 25, 48, 0.7);
  border: 1px solid rgba(77, 90, 160, 0.35);
  color: #d4d9ea;
}

.start-level-control label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: #b7bdd5;
}

.shift-control label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: #b7bdd5;
}

.shift-control input {
  width: 64px;
  padding: 4px 6px;
  border-radius: 8px;
  border: 1px solid #2b3150;
  background: #0f1326;
  color: #eef1f6;
  font-weight: 600;
  text-align: center;
}

.start-level-control input {
  width: 64px;
  padding: 4px 6px;
  border-radius: 8px;
  border: 1px solid #2b3150;
  background: #0f1326;
  color: #eef1f6;
  font-weight: 600;
  text-align: center;
}