:root {
  --bg: #0a0e14;
  --bg-panel: #111820;
  --border: #1e2a3a;
  --text: #e6edf3;
  --muted: #8b9cb3;
  --accent: #3d9eff;
  --accent-glow: rgba(61, 158, 255, 0.45);
  --cryo: #7ec8ff;
  --super: #4ade80;
  --normal: #f87171;
  --disc: #2a3548;
  --font: "Segoe UI", system-ui, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  font-family: var(--font);
  background: radial-gradient(ellipse 120% 80% at 50% -20%, #152030 0%, var(--bg) 55%);
  color: var(--text);
  line-height: 1.45;
  overflow-x: hidden;
}

.app {
  max-width: 1260px;
  margin: 0 auto;
  padding: 0.9rem 1.1rem 1.35rem;
  padding-left: max(0.65rem, env(safe-area-inset-left, 0px));
  padding-right: max(0.65rem, env(safe-area-inset-right, 0px));
  padding-bottom: max(1rem, env(safe-area-inset-bottom, 0px));
}

.hero {
  text-align: center;
  margin-bottom: 0.75rem;
}

.hero h1 {
  margin: 0;
  font-size: clamp(1.2rem, 3vw, 1.65rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  text-shadow: 0 0 40px var(--accent-glow);
}

.tagline {
  margin: 0.25rem 0 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.layout {
  display: grid;
  grid-template-columns: minmax(200px, 242px) minmax(280px, 1fr) minmax(200px, 242px);
  gap: 0.65rem;
  align-items: start;
}

.layout-center {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  min-width: 0;
}

/* tableta: sim + model sus, panouri jos în două coloane */
@media (max-width: 1100px) {
  .layout {
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      "stage stage"
      "left right";
  }

  .layout-center {
    grid-area: stage;
  }

  .panel--left {
    grid-area: left;
  }

  .panel--right {
    grid-area: right;
  }
}

@media (max-width: 640px) {
  .layout {
    grid-template-columns: 1fr;
    grid-template-areas:
      "stage"
      "left"
      "right";
    gap: 0.5rem;
  }

  .panel--left,
  .panel--right {
    grid-area: auto;
  }

  .layout-center {
    padding-bottom: 0;
    margin-bottom: 0;
  }

  .stage-wrap {
    border-radius: 10px;
    -webkit-tap-highlight-color: transparent;
    cursor: default;
  }

  .hero {
    margin-bottom: 0.35rem;
  }

  .hero h1 {
    font-size: 1.05rem;
  }

  .tagline {
    font-size: 0.68rem;
    line-height: 1.3;
    padding: 0 0.2rem;
  }

  .app {
    padding-top: max(0.35rem, env(safe-area-inset-top, 0px));
    padding-left: max(0.45rem, env(safe-area-inset-left, 0px));
    padding-right: max(0.45rem, env(safe-area-inset-right, 0px));
  }

  /* Spațiu vertical: ascunde subtextele sub slidere */
  .hint {
    display: none;
  }

  .panel-block {
    padding: 0.5rem 0.55rem;
  }

  .control {
    margin-bottom: 0.65rem;
  }

  .label-row {
    font-size: 0.8rem;
  }

  /* Ținte tactil confortabile (~44px) */
  input[type="range"] {
    min-height: 2.75rem;
    padding: 0.5rem 0;
  }

  select {
    min-height: 2.75rem;
    font-size: 0.8rem;
    padding: 0.5rem 0.55rem;
  }

  .toggle {
    min-height: 2.6rem;
    font-size: 0.78rem;
    margin: 0.25rem 0;
    padding: 0.15rem 0;
  }

  .toggle input {
    width: 1.2rem;
    height: 1.2rem;
    flex-shrink: 0;
  }

  .drag-hint {
    font-size: 0.72rem;
    padding: 0.45rem 0.5rem;
  }

  .btn,
  .btn.secondary {
    min-height: 2.75rem;
    font-size: 0.8rem;
    padding: 0.55rem 0.75rem;
  }

  .cond-badge {
    top: 6px;
    right: 6px;
    max-width: min(42%, 9.5rem);
    font-size: 0.58rem;
    padding: 0.22rem 0.4rem;
  }

  .cond-badge .cond-label {
    font-size: 0.58rem;
    margin-top: 0.08rem;
  }

  .edu-foot {
    font-size: 0.65rem;
    padding: 0.45rem 0.5rem;
    line-height: 1.38;
  }

  .gameover-title {
    font-size: 1.1rem;
  }

  .gameover-sub {
    font-size: 0.85rem;
  }

  .mat-cards {
    grid-template-columns: 1fr 1fr;
    gap: 0.35rem;
  }

  .mat-card {
    padding: 0.4rem 0.42rem;
    font-size: 0.68rem;
  }

  .mat-card small {
    font-size: 0.58rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

}

/* Telefoane înguste: o singură coloană carduri dacă e prea strâmt */
@media (max-width: 380px) {
  .mat-cards {
    grid-template-columns: 1fr;
  }

  .cond-badge .cond-label {
    display: none;
  }
}

.stage-wrap {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  cursor: grab;
  box-shadow:
    0 0 0 1px rgba(61, 158, 255, 0.08),
    0 20px 50px rgba(0, 0, 0, 0.45),
    inset 0 0 80px rgba(61, 158, 255, 0.06);
}

.stage-wrap.is-dragging {
  cursor: grabbing;
}

.cond-badge {
  position: absolute;
  top: 8px;
  right: 8px;
  z-index: 2;
  padding: 0.28rem 0.5rem;
  border-radius: 6px;
  font-size: 0.65rem;
  line-height: 1.35;
  text-align: right;
  pointer-events: none;
  border: 1px solid rgba(126, 200, 255, 0.45);
  background: rgba(10, 16, 24, 0.85);
  transition:
    border-color 0.15s ease,
    background 0.15s ease,
    box-shadow 0.15s ease;
}

.cond-badge .cond-formula {
  display: block;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.cond-badge .cond-label {
  display: block;
  margin-top: 0.15rem;
  font-size: 0.68rem;
  font-weight: 500;
  opacity: 0.92;
}

.cond-badge--super {
  color: #b8e8ff;
  border-color: rgba(126, 200, 255, 0.55);
  box-shadow: 0 0 24px rgba(61, 158, 255, 0.25);
}

.cond-badge--normal {
  color: #fecaca;
  border-color: rgba(248, 113, 113, 0.65);
  background: rgba(40, 15, 15, 0.9);
  box-shadow: 0 0 28px rgba(248, 113, 113, 0.2);
}

.cond-badge--normal .cond-formula {
  text-decoration: line-through;
  text-decoration-color: rgba(248, 113, 113, 0.7);
}

.drag-hint {
  margin: 0 0 0.45rem;
  padding: 0.32rem 0.45rem;
  border-radius: 5px;
  background: rgba(61, 158, 255, 0.08);
  border: 1px solid rgba(61, 158, 255, 0.2);
  font-size: 0.68rem;
  line-height: 1.35;
  color: var(--muted);
}

#sim {
  display: block;
  width: 100%;
  max-width: none;
  margin: 0 auto;
  background: linear-gradient(180deg, #0d1218 0%, #080c10 100%);
  touch-action: none;
}

.gameover {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: rgba(8, 12, 16, 0.88);
  backdrop-filter: blur(6px);
  padding: 1.5rem;
  text-align: center;
}

.gameover.hidden {
  display: none;
}

.gameover-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--normal);
}

.gameover-sub {
  color: var(--muted);
  max-width: 28ch;
}

.panel {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.panel-block {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.55rem 0.65rem;
}

.panel-block h2,
.panel-block h3 {
  margin: 0 0 0.45rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--cryo);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.control {
  display: block;
  margin-bottom: 0.55rem;
}

.control:last-of-type {
  margin-bottom: 0.35rem;
}

.label-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 0.76rem;
  margin-bottom: 0.22rem;
  gap: 0.35rem;
}

.unit {
  color: var(--muted);
  font-size: 0.68rem;
}

.val {
  font-variant-numeric: tabular-nums;
  color: var(--accent);
  font-weight: 600;
  font-size: 0.72rem;
  flex-shrink: 0;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

.hint {
  display: block;
  font-size: 0.62rem;
  line-height: 1.3;
  color: var(--muted);
  margin-top: 0.15rem;
}

select {
  width: 100%;
  margin-top: 0.22rem;
  padding: 0.32rem 0.45rem;
  border-radius: 5px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-family: inherit;
  font-size: 0.72rem;
}

.toggle {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin: 0.38rem 0;
  font-size: 0.72rem;
  cursor: pointer;
}

.toggle input {
  accent-color: var(--accent);
}

.btn {
  margin-top: 0.35rem;
  width: 100%;
  padding: 0.4rem 0.65rem;
  border: none;
  border-radius: 6px;
  background: linear-gradient(180deg, #4a9eff 0%, #2d7fd4 100%);
  color: #fff;
  font-weight: 600;
  font-family: inherit;
  font-size: 0.74rem;
  cursor: pointer;
  box-shadow: 0 4px 14px var(--accent-glow);
}

.btn:hover {
  filter: brightness(1.06);
}

.btn.secondary {
  background: var(--border);
  box-shadow: none;
  margin-top: 0.45rem;
}

#chart {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 260 / 88;
  border-radius: 5px;
  background: #0a0e14;
}

.mat-cards {
  display: grid;
  gap: 0.4rem;
}

.mat-card {
  padding: 0.45rem 0.5rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: rgba(61, 158, 255, 0.06);
  font-size: 0.72rem;
}

.mat-card strong {
  display: block;
  color: var(--cryo);
  font-size: 0.74rem;
}

.mat-card span {
  color: var(--accent);
  font-size: 0.68rem;
}

.mat-card small {
  display: block;
  margin-top: 0.22rem;
  color: var(--muted);
  line-height: 1.28;
  font-size: 0.62rem;
}

[data-edu] {
  position: relative;
}

.edu-foot {
  margin-top: 0;
  padding: 0.5rem 0.65rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: rgba(17, 24, 32, 0.6);
  font-size: 0.72rem;
  line-height: 1.4;
  color: var(--muted);
  text-align: center;
  max-width: 52rem;
  margin-inline: auto;
  width: 100%;
}

.edu-foot p {
  margin: 0;
  text-wrap: balance;
}

.edu-foot strong {
  color: var(--text);
}

.tooltip {
  position: fixed;
  z-index: 1000;
  max-width: 280px;
  padding: 0.65rem 0.85rem;
  background: #1a2434;
  border: 1px solid var(--accent);
  border-radius: 8px;
  font-size: 0.82rem;
  color: var(--text);
  pointer-events: none;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5), 0 0 20px var(--accent-glow);
}

.tooltip.hidden {
  display: none;
}

/* Hover highlight in edu mode */
body.edu-active [data-edu]:hover {
  outline: 1px dashed rgba(61, 158, 255, 0.5);
  outline-offset: 4px;
}