/* ===== AI Lab — dark thema ===== */
:root {
  --bg: #070b16;
  --panel: #0e1526;
  --panel2: #131b30;
  --line: #223049;
  --text: #e6ecf7;
  --muted: #8ea3c0;
  --cyan: #22d3ee;
  --violet: #a78bfa;
  --amber: #fbbf24;
  --green: #34d399;
  --red: #f43f5e;
  --mono: "Cascadia Code", "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(60% 40% at 15% 0%, rgba(34, 211, 238, 0.10), transparent 60%),
    radial-gradient(50% 40% at 90% 10%, rgba(167, 139, 250, 0.12), transparent 60%),
    var(--bg);
}

a {
  color: var(--cyan);
  text-decoration: none;
}

.container {
  max-width: 1060px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== Hero ===== */
.hero {
  text-align: center;
  padding: 64px 20px 24px;
}

.hero-badge {
  display: inline-block;
  font-size: 0.8rem;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 14px;
  background: rgba(19, 27, 48, 0.6);
  margin-bottom: 22px;
}

.hero-title {
  margin: 0;
  font-size: clamp(3rem, 10vw, 5.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(90deg, #22d3ee, #a78bfa 55%, #fbbf24);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-sub {
  max-width: 640px;
  margin: 18px auto 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.hero-sub strong {
  color: var(--text);
}

/* ===== Panels ===== */
.panel {
  background: linear-gradient(180deg, var(--panel), rgba(14, 21, 38, 0.5));
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 22px;
  margin: 26px 0;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

.panel-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.panel-head h2 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 700;
}

.tag {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
  background: var(--panel2);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 3px 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--amber);
  flex-shrink: 0;
}

.dot.cyan {
  background: var(--cyan);
}

.dot.violet {
  background: var(--violet);
}

/* ===== Terminal ===== */
.term-body {
  background: #05070d;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 16px;
  font-family: var(--mono);
  font-size: 0.86rem;
  line-height: 1.65;
  height: 320px;
  overflow-y: auto;
}

.term-spacer {
  height: 10px;
}

.term-prompt {
  color: #b9cdf5;
}

.term-plan {
  color: #c9bcf8;
}

.term-tool {
  color: var(--muted);
}

.term-ok {
  color: var(--green);
  font-weight: 700;
}

.term-body::after {
  content: "▍";
  color: var(--cyan);
  animation: blink 1s steps(2) infinite;
  position: relative;
  top: 1px;
}

@keyframes blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

.term-foot {
  margin-top: 10px;
  text-align: right;
}

/* ===== Knoppen ===== */
.btn {
  font-family: inherit;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text);
  background: var(--panel2);
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 9px 16px;
  cursor: pointer;
  transition: transform 0.1s ease, border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}

.btn:hover {
  border-color: var(--cyan);
  color: #fff;
  transform: translateY(-1px);
}

.btn.accent {
  background: linear-gradient(90deg, #164e63, #155e75);
  border-color: rgba(34, 211, 238, 0.4);
  color: #a5f3fc;
}

.btn.accent:hover {
  background: linear-gradient(90deg, #0e7490, #155e75);
  color: #fff;
}

.btn.ghost {
  background: transparent;
  color: var(--muted);
}

.btn.active {
  background: var(--cyan);
  color: #062630;
  border-color: var(--cyan);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hint {
  color: var(--muted);
  font-size: 0.85rem;
  margin: 12px 0 0;
}

/* ===== Netwerk ===== */
.nn-stats {
  font-family: var(--mono);
  font-size: 0.86rem;
  color: var(--green);
  background: var(--panel2);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 12px;
  margin-bottom: 14px;
  overflow-x: auto;
  white-space: nowrap;
}

.nn-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 14px;
}

.canvas-frame {
  margin: 0;
  background: var(--panel2);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px;
  min-width: 0;
}

.canvas-frame figcaption {
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 8px;
}

.canvas-frame canvas {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 6px;
  background: #05070d;
}

.nn-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 16px;
}

.slider {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-size: 0.85rem;
}

.slider input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 150px;
  height: 6px;
  border-radius: 999px;
  background: var(--line);
  outline: none;
}

.slider input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--cyan);
  border: 2px solid #062630;
  cursor: pointer;
}

.slider input[type="range"]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--cyan);
  border: 2px solid #062630;
  cursor: pointer;
}

/* ===== Art ===== */
.art-wrap {
  background: var(--panel2);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px;
}

.art-wrap canvas {
  display: block;
  width: 100%;
  border-radius: 8px;
  background: #05070d;
}

/* ===== Footer ===== */
.footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  padding: 34px 20px 44px;
}

.footer p {
  margin: 0;
}

.footer::before {
  content: "";
  display: block;
  width: 60px;
  height: 3px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
  margin: 0 auto 18px;
}

/* ===== Responsive ===== */
@media (max-width: 820px) {
  .nn-grid {
    grid-template-columns: 1fr;
  }

  .panel {
    padding: 16px;
  }

  .term-body {
    height: 280px;
  }

  .nn-controls {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 520px) {
  .hero {
    padding-top: 40px;
  }

  .tag {
    display: none;
  }
}