/*
 * REACTOR CTRL — client.css
 * Audience phone stylesheet.
 *
 * Goals:
 *  - Fullscreen, no scroll, no overscroll bounce
 *  - Text unselectable (accidental long-press on phones)
 *  - Welcome screen centered, dark theme
 *  - Canvas fills 100% of viewport
 */

/* ---- Reset & base ------------------------------------------------ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --accent: #7c3aed;     /* violet accent for welcome screen */
  --bg:     #000000;
  --text:   #e2e8f0;
  --muted:  #64748b;
  --font:   'Inter', system-ui, -apple-system, sans-serif;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  /* Prevent iOS rubber-band scroll; keep content fixed */
  overscroll-behavior: none;
  touch-action: none;
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

/* ---- Welcome Screen ---------------------------------------------- */
#welcome-screen {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(ellipse at center, #0f0f1a 0%, #000000 70%);
}

.welcome-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 2rem;
  text-align: center;
  max-width: 320px;
  width: 100%;
}

.logo-mark {
  font-size: 4rem;
  line-height: 1;
  color: var(--accent);
  /* Subtle pulse */
  animation: logoPulse 3s ease-in-out infinite;
  filter: drop-shadow(0 0 24px #7c3aed88);
}

@keyframes logoPulse {
  0%, 100% { transform: scale(1);    opacity: 1;    }
  50%       { transform: scale(1.08); opacity: 0.85; }
}

.show-name {
  font-size: clamp(2rem, 8vw, 3rem);
  font-weight: 900;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  background: linear-gradient(135deg, #c4b5fd, #7c3aed, #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tagline {
  font-size: 0.9rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
}

#join-btn {
  margin-top: 0.5rem;
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  border: none;
  border-radius: 9999px;
  background: linear-gradient(135deg, #7c3aed, #a855f7);
  color: #fff;
  cursor: pointer;
  box-shadow: 0 0 30px #7c3aed66, 0 4px 24px rgba(0,0,0,0.5);
  transition: transform 0.15s, box-shadow 0.15s;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

#join-btn:active {
  transform: scale(0.96);
  box-shadow: 0 0 16px #7c3aed44;
}

.hint {
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 0.25rem;
}

/* ---- Canvas Screen ----------------------------------------------- */
#canvas-screen {
  position: fixed;
  inset: 0;
}

#main-canvas {
  display: block;
  width: 100%;
  height: 100%;
}

/* ---- Reconnect Overlay ------------------------------------------- */
#reconnect-overlay {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0,0,0,0.7);
  color: var(--muted);
  font-size: 0.8rem;
  padding: 0.5rem 1.25rem;
  border-radius: 9999px;
  backdrop-filter: blur(8px);
  animation: fadeInUp 0.3s ease;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateX(-50%) translateY(8px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}