/* ==================== PROTO LABORATORIJA (3D LAB & LASER PUZZLE STILIUS) ==================== */
:root {
  --bg-deep: #0f172a;
  --bg-indigo: #1e1b4b;
  --panel-surface: #1e293b;
  --card-light: #f8fafc;
  --outline: #020617;

  --lab-cyan: #06b6d4;
  --lab-cyan-dark: #0e7490;
  --lab-purple: #7c3aed;
  --lab-purple-dark: #5b21b6;
  --lab-green: #22c55e;
  --lab-green-dark: #15803d;
  --lab-yellow: #facc15;
  --lab-pink: #f43f5e;
}

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

body {
  font-family: 'Nunito', system-ui, -apple-system, sans-serif;
  background: radial-gradient(circle at 20% 15%, #312e81 0%, #0f172a 65%, #020617 100%);
  color: #f8fafc;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

.lab-bg-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(56, 189, 248, 0.08) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(56, 189, 248, 0.08) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
  z-index: 0;
}

.hidden {
  display: none !important;
}

/* ==================== VIRŠUTINĖ JUOSTA ==================== */
.top-bar {
  position: relative;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  padding: 14px 24px;
  background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
  border-bottom: 5px solid var(--outline);
  box-shadow: 0 6px 0 rgba(2, 6, 23, 0.75);
}

.top-bar-left {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.back-portal-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  background: #334155;
  color: #ffffff;
  font-family: 'Russo One', sans-serif;
  font-size: 0.92rem;
  padding: 10px 16px;
  border-radius: 10px;
  border: 3px solid var(--outline);
  box-shadow: 0 4px 0 var(--outline);
  transition: transform 0.14s ease, background 0.14s ease;
}

.back-portal-btn:hover {
  transform: translateY(-2px);
  background: #475569;
}

.game-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-icon {
  font-size: 2rem;
  background: var(--lab-purple);
  border: 3px solid var(--outline);
  border-radius: 12px;
  padding: 6px 10px;
  box-shadow: 0 4px 0 var(--outline);
}

.game-brand h1 {
  font-family: 'Russo One', 'Bungee', sans-serif;
  font-size: 1.35rem;
  letter-spacing: 0.04em;
  color: #67e8f9;
  text-shadow: 0 3px 0 var(--outline);
}

.brand-sub {
  display: block;
  font-size: 0.85rem;
  font-weight: 800;
  color: #cbd5e1;
}

.top-bar-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.hud-pill {
  padding: 9px 15px;
  border-radius: 10px;
  border: 3px solid var(--outline);
  font-family: 'Russo One', sans-serif;
  font-size: 0.95rem;
  box-shadow: 0 4px 0 var(--outline);
}

.hud-rank {
  background: #334155;
  color: #fde047;
}

.hud-crystals {
  background: #0e7490;
  color: #ffffff;
}

/* ==================== PAGRINDINIS KONTEINERIS ==================== */
.lab-container {
  position: relative;
  z-index: 2;
  max-width: 1080px;
  margin: 0 auto;
  padding: 28px 20px 54px;
}

/* ==================== PRADŽIOS EKRANAS ==================== */
.hero-lab-card {
  background: linear-gradient(135deg, #1e1b4b 0%, #312e81 100%);
  border: 5px solid var(--outline);
  border-radius: 18px;
  padding: 26px 24px;
  text-align: center;
  margin-bottom: 26px;
  box-shadow:
    inset 0 5px 0 rgba(103, 232, 249, 0.2),
    0 10px 0 var(--outline);
}

.lab-badge-row {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 14px;
}

.lab-pill-tag {
  font-family: 'Press Start 2P', monospace;
  font-size: 0.68rem;
  background: #0f172a;
  color: #67e8f9;
  border: 3px solid var(--outline);
  padding: 7px 11px;
  border-radius: 8px;
}

.hero-lab-card h2 {
  font-family: 'Russo One', sans-serif;
  font-size: clamp(1.35rem, 3vw, 2rem);
  color: var(--lab-yellow);
  text-shadow: 0 3px 0 var(--outline);
  margin-bottom: 10px;
}

.hero-desc {
  font-size: 1.05rem;
  color: #e2e8f0;
  font-weight: 800;
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.5;
}

.difficulty-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.diff-card {
  background: var(--panel-surface);
  border: 5px solid var(--outline);
  border-radius: 18px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  box-shadow: 0 10px 0 var(--outline);
  transition: transform 0.16s ease, box-shadow 0.16s ease;
}

.diff-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 0 var(--outline);
}

.diff-grade1 {
  border-top: 10px solid var(--lab-cyan);
}

.diff-grade3 {
  border-top: 10px solid #a855f7;
}

.diff-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.diff-level-chip {
  font-family: 'Press Start 2P', monospace;
  font-size: 0.68rem;
  background: #0f172a;
  color: #fde047;
  padding: 7px 10px;
  border-radius: 8px;
  border: 2px solid var(--outline);
}

.diff-icon {
  font-size: 2.4rem;
}

.diff-card h3 {
  font-family: 'Russo One', sans-serif;
  font-size: 1.38rem;
  color: #ffffff;
  text-shadow: 0 2px 0 var(--outline);
}

.diff-desc {
  color: #cbd5e1;
  font-weight: 800;
  line-height: 1.48;
  font-size: 0.98rem;
}

.diff-progress-box {
  background: #0f172a;
  border: 3px solid var(--outline);
  border-radius: 12px;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.progress-stat {
  display: flex;
  justify-content: space-between;
  font-weight: 900;
  font-size: 0.95rem;
}

.progress-stat strong {
  color: #67e8f9;
}

.diff-start-btn {
  margin-top: auto;
  width: 100%;
  padding: 15px 18px;
  border-radius: 12px;
  border: 4px solid var(--outline);
  font-family: 'Russo One', sans-serif;
  font-size: 1.12rem;
  color: #ffffff;
  text-shadow: 0 2px 0 var(--outline);
  cursor: pointer;
  transition: transform 0.14s ease, filter 0.14s ease;
}

.diff-start-btn:hover {
  transform: translateY(-2px);
  filter: brightness(1.08);
}

.btn-cyan {
  background: var(--lab-cyan);
  box-shadow: inset 0 4px 0 #67e8f9, inset 0 -4px 0 var(--lab-cyan-dark), 0 6px 0 var(--outline);
}

.btn-purple {
  background: var(--lab-purple);
  box-shadow: inset 0 4px 0 #c4b5fd, inset 0 -4px 0 var(--lab-purple-dark), 0 6px 0 var(--outline);
}

/* ==================== LABORATORIJOS DARBO STENDAS ==================== */
.lab-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 18px;
}

.lab-toolbar-info {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}

.secondary-btn {
  padding: 10px 15px;
  border-radius: 10px;
  border: 3px solid var(--outline);
  background: #334155;
  color: #ffffff;
  font-family: 'Russo One', sans-serif;
  font-size: 0.9rem;
  cursor: pointer;
  box-shadow: 0 4px 0 var(--outline);
}

.secondary-btn:hover {
  background: #475569;
}

.active-profile-banner {
  background: #1e293b;
  border: 3px solid var(--outline);
  border-radius: 12px;
  padding: 9px 16px;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

#lab-mode-title {
  font-family: 'Russo One', sans-serif;
  color: var(--lab-yellow);
  font-size: 1rem;
}

.mode-stats-sub {
  font-weight: 900;
  color: #67e8f9;
  font-size: 0.92rem;
}

.levels-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(185px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.lab-mode-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.mode-tab-btn {
  padding: 10px 15px;
  border-radius: 10px;
  border: 3px solid var(--outline);
  background: #1e293b;
  color: #cbd5e1;
  font-family: 'Russo One', sans-serif;
  font-size: 0.9rem;
  cursor: pointer;
  box-shadow: 0 4px 0 var(--outline);
  transition: transform 0.12s ease, background 0.12s ease;
}

.mode-tab-btn:hover {
  transform: translateY(-2px);
  background: #334155;
}

.mode-tab-btn.active {
  background: var(--lab-purple);
  color: #ffffff;
  border-color: #67e8f9;
}

.pinpull-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.pinpull-controls-bar {
  width: 100%;
  max-width: 640px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

.pinpull-counter {
  font-family: 'Russo One', sans-serif;
  font-size: 1.02rem;
  background: #0f172a;
  color: #67e8f9;
  padding: 9px 15px;
  border-radius: 10px;
  border: 3px solid var(--outline);
}

.pinpull-btn-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.pin-reset-btn {
  padding: 10px 18px;
  border-radius: 10px;
  border: 3px solid var(--outline);
  background: #f97316;
  color: #ffffff;
  font-family: 'Russo One', sans-serif;
  font-size: 0.95rem;
  cursor: pointer;
  box-shadow:
    inset 0 3px 0 #fdba74,
    0 4px 0 var(--outline);
  transition: transform 0.12s ease, filter 0.12s ease;
}

.pin-reset-btn:hover {
  transform: translateY(-2px);
  filter: brightness(1.08);
}

.pin-next-btn {
  padding: 10px 18px;
  border-radius: 10px;
  border: 3px solid var(--outline);
  background: var(--lab-green);
  color: #ffffff;
  font-family: 'Russo One', sans-serif;
  font-size: 0.95rem;
  cursor: pointer;
  box-shadow:
    inset 0 3px 0 #86efac,
    0 4px 0 var(--outline);
}

.pinpull-canvas-wrap {
  width: 100%;
  max-width: 640px;
  background: #020617;
  border: 4px solid var(--outline);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 8px 0 var(--outline);
}

#pinpull-canvas {
  width: 100%;
  height: auto;
  display: block;
  touch-action: manipulation;
}

/* ==================== ROBO-STUMDUKAS (GRID SOKOBAN) ==================== */
.sokoban-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.sok-undo-btn {
  padding: 10px 16px;
  border-radius: 10px;
  border: 3px solid var(--outline);
  background: #3b82f6;
  color: #ffffff;
  font-family: 'Russo One', sans-serif;
  font-size: 0.92rem;
  cursor: pointer;
  box-shadow: inset 0 3px 0 #93c5fd, 0 4px 0 var(--outline);
  transition: transform 0.12s ease, filter 0.12s ease;
}

.sok-undo-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  filter: brightness(1.08);
}

.sok-undo-btn:disabled {
  background: #475569;
  color: #94a3b8;
  cursor: not-allowed;
  box-shadow: 0 4px 0 var(--outline);
}

.sokoban-grid {
  display: grid;
  gap: 5px;
  padding: 14px;
  background: #020617;
  border: 4px solid var(--outline);
  border-radius: 16px;
  box-shadow: 0 8px 0 var(--outline);
}

.sok-cell {
  width: 56px;
  height: 56px;
  border-radius: 9px;
  border: 3px solid #1e293b;
  background: #1e293b;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.55rem;
  position: relative;
  user-select: none;
  transition: transform 0.08s ease, background 0.12s ease;
}

.sok-cell.adjacent-step {
  cursor: pointer;
  border-color: rgba(103, 232, 249, 0.55);
}

.sok-cell.adjacent-step:hover {
  transform: scale(1.05);
  background: #334155;
}

.sok-cell.wall {
  background: #475569;
  border-color: #0f172a;
}

.sok-cell.ice {
  background: linear-gradient(135deg, #0ea5e9 0%, #38bdf8 100%);
  border-color: #bae6fd;
}

.sok-cell.gate {
  background: #312e81;
  border-color: #a855f7;
}

.sok-cell.target {
  background: #422006;
  border-color: #facc15;
  box-shadow: inset 0 0 12px rgba(250, 204, 21, 0.4);
}

.sok-cell.exit-locked {
  background: #450a0a;
  border-color: #ef4444;
}

.sok-cell.exit-open {
  background: #14532d;
  border-color: #4ade80;
  box-shadow: 0 0 16px rgba(74, 222, 128, 0.65);
}

.sok-cell.cube-on-target {
  background: #15803d;
  border-color: #86efac;
  box-shadow: 0 0 14px rgba(74, 222, 128, 0.7);
}

.sok-controls-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 4px;
}

.sok-dpad {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.dpad-mid {
  display: flex;
  gap: 6px;
}

.dpad-btn {
  width: 48px;
  height: 44px;
  border-radius: 10px;
  border: 3px solid var(--outline);
  background: #334155;
  color: #ffffff;
  font-size: 1.25rem;
  cursor: pointer;
  box-shadow: 0 4px 0 var(--outline);
}

.dpad-btn:active {
  transform: translateY(2px);
}

.sok-legend {
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-size: 0.88rem;
  font-weight: 800;
  color: #cbd5e1;
  background: #0f172a;
  padding: 10px 14px;
  border-radius: 10px;
  border: 3px solid var(--outline);
}

/* ==================== LAZERIŲ VEIDRODŽIAI (OPTIKA CANVAS) ==================== */
.laser-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

#laser-canvas {
  width: 100%;
  height: auto;
  display: block;
  touch-action: none;
  cursor: pointer;
}

.laser-tool-btn {
  padding: 10px 15px;
  border-radius: 10px;
  border: 3px solid var(--outline);
  background: #4f46e5;
  color: #ffffff;
  font-family: 'Russo One', sans-serif;
  font-size: 0.88rem;
  cursor: pointer;
  box-shadow: inset 0 3px 0 #a5b4fc, 0 4px 0 var(--outline);
  transition: transform 0.12s ease, background 0.12s ease;
}

.laser-tool-btn:hover {
  transform: translateY(-2px);
}

.laser-tool-btn.move-active {
  background: #0284c7;
  box-shadow: inset 0 3px 0 #7dd3fc, 0 4px 0 var(--outline);
}

.laser-legend {
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 18px;
}

.level-tab-btn {
  background: #1e293b;
  border: 4px solid var(--outline);
  border-radius: 12px;
  padding: 12px 14px;
  color: #e2e8f0;
  text-align: left;
  cursor: pointer;
  box-shadow: 0 5px 0 var(--outline);
  transition: transform 0.12s ease, background 0.12s ease;
}

.level-tab-btn:hover {
  transform: translateY(-2px);
  background: #334155;
}

.level-tab-btn.active {
  background: #312e81;
  border-color: #67e8f9;
}

.level-tab-btn.solved {
  border-left: 8px solid var(--lab-green);
}

.level-tab-top {
  display: flex;
  justify-content: space-between;
  font-family: 'Russo One', sans-serif;
  font-size: 0.88rem;
  margin-bottom: 4px;
}

.level-tab-name {
  font-weight: 900;
  font-size: 0.96rem;
  color: #ffffff;
}

/* ==================== GALVOSŪKIŲ ZONA ==================== */
.puzzle-workspace {
  background: #1e293b;
  border: 5px solid var(--outline);
  border-radius: 18px;
  padding: 24px;
  box-shadow: 0 10px 0 var(--outline);
}

.puzzle-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 20px;
}

.puzzle-type-badge {
  display: inline-block;
  font-family: 'Press Start 2P', monospace;
  font-size: 0.64rem;
  background: #0f172a;
  color: #67e8f9;
  padding: 6px 10px;
  border-radius: 7px;
  border: 2px solid var(--outline);
  margin-bottom: 8px;
}

.puzzle-header h2 {
  font-family: 'Russo One', sans-serif;
  font-size: 1.45rem;
  color: #ffffff;
  margin-bottom: 4px;
}

.puzzle-instruction {
  color: #cbd5e1;
  font-weight: 800;
  font-size: 1rem;
}

.puzzle-reward-badge {
  font-family: 'Russo One', sans-serif;
  font-size: 1.1rem;
  background: #0e7490;
  border: 3px solid var(--outline);
  border-radius: 10px;
  padding: 8px 14px;
  color: #ffffff;
  box-shadow: 0 4px 0 var(--outline);
}

.puzzle-stage {
  background: #0f172a;
  border: 4px solid var(--outline);
  border-radius: 14px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}

/* LAZERIŲ TINKLELIS */
.laser-grid {
  display: grid;
  gap: 8px;
}

.laser-cell {
  width: 68px;
  height: 68px;
  border-radius: 10px;
  border: 3px solid #334155;
  background: #1e293b;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  font-weight: 900;
  position: relative;
  user-select: none;
}

.laser-cell.lit {
  border-color: #22d3ee;
  box-shadow: inset 0 0 14px rgba(34, 211, 238, 0.35);
}

.laser-cell.emitter {
  background: #7f1d1d;
  border-color: #f43f5e;
}

.laser-cell.target {
  background: #064e3b;
  border-color: #10b981;
}

.laser-cell.target.hit {
  background: #15803d;
  box-shadow: 0 0 18px #4ade80;
}

.laser-cell.wall {
  background: #475569;
  border-color: #020617;
}

.laser-cell.mirror {
  background: #312e81;
  border-color: #818cf8;
  cursor: pointer;
}

.laser-cell.mirror:hover {
  background: #4338ca;
}

.mirror-symbol {
  font-family: 'Russo One', sans-serif;
  font-size: 2rem;
  color: #fde047;
}

/* JUNGIKLIAI IR ŠIFRAI */
.switches-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

.switch-btn {
  min-width: 112px;
  padding: 14px 16px;
  border-radius: 12px;
  border: 4px solid var(--outline);
  background: #334155;
  color: #e2e8f0;
  font-family: 'Russo One', sans-serif;
  font-size: 1rem;
  cursor: pointer;
  box-shadow: 0 5px 0 var(--outline);
  transition: transform 0.12s ease, background 0.12s ease;
}

.switch-btn.on {
  background: var(--lab-green);
  color: #ffffff;
}

.power-meter {
  font-family: 'Russo One', sans-serif;
  font-size: 1.2rem;
  color: #67e8f9;
  background: #1e293b;
  padding: 10px 18px;
  border-radius: 10px;
  border: 3px solid var(--outline);
}

.sequence-display {
  font-family: 'Russo One', sans-serif;
  font-size: clamp(1.2rem, 2.5vw, 1.75rem);
  color: #fde047;
  letter-spacing: 0.06em;
  text-align: center;
}

.choice-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.lab-choice-btn {
  min-width: 100px;
  padding: 13px 20px;
  border-radius: 12px;
  border: 4px solid var(--outline);
  background: var(--lab-purple);
  color: #ffffff;
  font-family: 'Russo One', sans-serif;
  font-size: 1.2rem;
  cursor: pointer;
  box-shadow: 0 5px 0 var(--outline);
}

.lab-choice-btn:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
}

.puzzle-feedback {
  margin-top: 16px;
  padding: 13px 16px;
  border-radius: 12px;
  border: 3px solid var(--outline);
  font-family: 'Russo One', sans-serif;
  text-align: center;
  font-size: 1.02rem;
}

.puzzle-feedback.success {
  background: #14532d;
  color: #86efac;
  border-color: #22c55e;
}

.puzzle-feedback.error {
  background: #7f1d1d;
  color: #fecaca;
  border-color: #ef4444;
}

@media (max-width: 780px) {
  .difficulty-grid,
  .levels-strip {
    grid-template-columns: 1fr;
  }

  .laser-cell {
    width: 54px;
    height: 54px;
    font-size: 1.3rem;
  }

  .sok-cell {
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
  }
}