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

:root {
  --pm-bg: #000000;
  --pm-sim-bg-start: #8bedde;
  --pm-sim-bg-end: #8dfa8b;
  --pm-line: rgba(255, 255, 255, 0.22);
  --pm-line-strong: rgba(255, 255, 255, 0.45);
  --pm-text-muted: rgba(255, 255, 255, 0.55);
  --pm-panel: rgba(255, 255, 255, 0.03);
  --pm-glow-a: 139, 237, 222;
  --pm-glow-b: 141, 250, 139;
}

html,
body {
  margin: 0;
  padding: 0;
  overflow-x: clip;
}

body.app-page {
  background: var(--pm-bg);
  color: #fff;
  font-family: 'Poppins', sans-serif;
  min-height: 100vh;
  padding-top: 52px;
}

/* PM APP header — matches pinkmaniac.tv/app */
.header.header--app {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 52px;
  padding: 0 18px;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #000;
  border-bottom: 2px solid rgba(255, 255, 255, 0.35);
  box-shadow: 0 1px 10px rgba(255, 255, 255, 0.12);
  z-index: 9999;
}

.app-header-nav {
  display: flex;
  align-items: center;
  gap: clamp(16px, 4vw, 28px);
}

.app-header-divider {
  width: 2px;
  height: 20px;
  background: rgba(255, 255, 255, 0.45);
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.35);
  flex-shrink: 0;
}

.app-header-link {
  font-family: 'Chakra Petch', sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  color: #fff;
  text-decoration: none;
  font-size: clamp(12px, 2.5vw, 14px);
  letter-spacing: 0.06em;
  transition: opacity 0.25s ease, text-shadow 0.25s ease;
}

.app-header-link:hover {
  opacity: 0.85;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.45);
}

.meander-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 18px 48px;
  overflow: visible;
}

.meander-header {
  text-align: center;
  margin-bottom: 20px;
}

.meander-title {
  font-family: 'Chakra Petch', sans-serif;
  font-weight: 700;
  font-size: clamp(1.4rem, 4vw, 2rem);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin: 0 0 10px;
}

.meander-intro {
  font-size: clamp(0.85rem, 2.2vw, 0.95rem);
  color: var(--pm-text-muted);
  line-height: 1.55;
  max-width: 640px;
  margin: 0 auto;
}

.meander-layout {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  overflow: visible;
}

.meander-controls {
  display: flex;
  flex-direction: column;
  gap: 14px;
  width: 100%;
  max-width: 520px;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 6px;
  background: var(--pm-panel);
}

.meander-stage-glow {
  position: relative;
  width: 100%;
  padding: 18px 14px;
  overflow: visible;
}

.meander-stage-glow::before {
  content: '';
  position: absolute;
  inset: 18px 14px;
  border-radius: 6px;
  pointer-events: none;
  z-index: 0;
  box-shadow:
    0 0 9px 2px rgba(var(--pm-glow-a), 0.55),
    0 0 21px 6px rgba(var(--pm-glow-b), 0.35),
    0 0 40px 14px rgba(var(--pm-glow-a), 0.2),
    0 0 65px 24px rgba(var(--pm-glow-b), 0.1);
}

.meander-stage {
  position: relative;
  z-index: 1;
  width: 100%;
  border-radius: 6px;
  overflow: hidden;
  background: linear-gradient(to bottom right, var(--pm-sim-bg-start), var(--pm-sim-bg-end));
  box-shadow:
    0 0 8px 1px rgba(var(--pm-glow-a), 0.6),
    0 0 18px 5px rgba(var(--pm-glow-b), 0.38);
}

#sim-fullscreen:fullscreen,
#sim-fullscreen:-webkit-full-screen {
  width: 100%;
  height: 100%;
  padding: 0;
  margin: 0;
  display: flex;
  align-items: stretch;
  justify-content: stretch;
  background: #000;
}

#sim-fullscreen:fullscreen::before,
#sim-fullscreen:-webkit-full-screen::before {
  display: none;
}

#sim-fullscreen:fullscreen .meander-stage,
#sim-fullscreen:-webkit-full-screen .meander-stage {
  flex: 1;
  display: flex;
  flex-direction: column;
  border-radius: 0;
  box-shadow: none;
}

#sim-fullscreen:fullscreen .canvas-wrap,
#sim-fullscreen:-webkit-full-screen .canvas-wrap {
  flex: 1;
  display: flex;
  min-height: 0;
}

#sim-fullscreen:fullscreen #canvas,
#sim-fullscreen:-webkit-full-screen #canvas {
  flex: 1;
  width: 100% !important;
  height: 100% !important;
  max-height: none;
}

.canvas-wrap {
  width: 100%;
  background: linear-gradient(to bottom right, var(--pm-sim-bg-start), var(--pm-sim-bg-end));
}

#canvas {
  display: block;
  width: 100%;
}

.meander-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.meander-icon-btn {
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.03);
  color: #fff;
  font-size: 1.05rem;
  cursor: pointer;
  transition: box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.meander-icon-btn .fa-play {
  margin-left: 2px;
}

.meander-icon-btn:hover:not(:disabled) {
  border-color: rgba(var(--pm-glow-a), 0.85);
  background: rgba(var(--pm-glow-a), 0.12);
  box-shadow:
    0 0 12px rgba(var(--pm-glow-a), 0.4),
    0 0 18px rgba(var(--pm-glow-b), 0.28);
}

.meander-icon-btn:disabled {
  opacity: 0.35;
  cursor: default;
}

.meander-icon-btn--primary {
  border-color: rgba(var(--pm-glow-a), 0.65);
  box-shadow:
    0 0 10px rgba(var(--pm-glow-a), 0.25),
    0 0 14px rgba(var(--pm-glow-b), 0.15);
}

.meander-icon-btn.is-active {
  border-color: rgba(var(--pm-glow-b), 0.9);
  background: rgba(var(--pm-glow-b), 0.14);
  box-shadow:
    0 0 14px rgba(var(--pm-glow-a), 0.45),
    0 0 20px rgba(var(--pm-glow-b), 0.35);
}

.meander-monitor {
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.35);
  text-align: center;
}

.meander-monitor-label {
  display: block;
  font-family: 'Chakra Petch', sans-serif;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 6px;
}

.meander-monitor-value {
  display: block;
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.35;
}