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

:root {
  --bg:       #000;
  --surface:  #000;
  --border:   #161c28;
  --text:     #c8d3e8;
  --text-dim: #4a5568;
  --accent:   #4f9eff;
}

body {
  background: var(--bg);
  min-height: 100dvh;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  overscroll-behavior: none;
  touch-action: manipulation;
  overflow: hidden;
}

#phone {
  max-width: 600px;
  margin: 0 auto;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

/* ── Status bar ─────────────────────────────────────────────────────────────── */

#status-bar {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 10;
  text-align: center;
  font-size: 0.8rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  white-space: nowrap;
  text-shadow: 0 1px 8px rgba(0,0,0,0.8);
  pointer-events: none;
}

#status-time {
  display: inline-block;
}

#subliminal {
  position: absolute;
  z-index: 5;
  font-size: 0.8rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  text-shadow: 0 1px 8px rgba(0,0,0,0.8);
  pointer-events: none;
  opacity: 0;
  white-space: nowrap;
  display: inline-block;
}

@keyframes vibrate {
  0%   { transform: translate(0,    0);    }
  25%  { transform: translate(1px, -1px); }
  50%  { transform: translate(-1px, 1px); }
  75%  { transform: translate(1px,  1px); }
  100% { transform: translate(0,    0);   }
}

.cannot-stop {
  position: absolute;
  z-index: 6;
  font-size: 0.6rem;
  font-weight: 300;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.75);
  text-shadow: 0 1px 6px rgba(0,0,0,0.9);
  pointer-events: none;
  opacity: 0;
  white-space: nowrap;
  display: inline-block;
  animation: vibrate 0.14s steps(1) infinite;
}

#cannot-stop-1 { left: 13%; bottom: 16%; animation-duration: 0.14s; }
#cannot-stop-2 { left: 77%; top: 50%;   animation-duration: 0.09s; }

/* ── Images ─────────────────────────────────────────────────────────────────── */

#image-area {
  flex: 0 1 auto;
  min-height: 0;
  overflow: hidden;
  position: relative;
  -webkit-mask-image:
    linear-gradient(to bottom, transparent 0%, black 12%, black 78%, transparent 100%),
    linear-gradient(to right,  transparent 0%, black 8%,  black 92%, transparent 100%);
  -webkit-mask-composite: source-in;
  mask-image:
    linear-gradient(to bottom, transparent 0%, black 12%, black 78%, transparent 100%),
    linear-gradient(to right,  transparent 0%, black 8%,  black 92%, transparent 100%);
  mask-composite: intersect;
}

#screen-imgs {
  display: flex;
  position: relative;
}

#screen-imgs img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: top;
  display: block;
}

/* ── Text ───────────────────────────────────────────────────────────────────── */

#screen-text {
  flex: 0 0 auto;
  padding: 20px 28px 8px;
  overflow-y: auto;
  color: var(--text);
  line-height: 1.7;
  scrollbar-width: none;
}

#screen-text::-webkit-scrollbar {
  display: none;
}

#screen-text h1 {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text);
  margin-bottom: 16px;
  line-height: 1.5;
  letter-spacing: 0.015em;
}

#screen-text p {
  font-size: 0.875rem;
  color: var(--text-dim);
  line-height: 1.8;
}

/* ── Choices ────────────────────────────────────────────────────────────────── */

#choices {
  position: sticky;
  bottom: 0;
  background: #000;
  padding: 4px 28px 44px;
  min-height: 150px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

#choices button {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 14px 18px;
  font-size: 0.875rem;
  font-family: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.12s, color 0.12s;
  -webkit-tap-highlight-color: transparent;
}

#choices button:hover {
  border-color: #2a3450;
  color: var(--text);
}

#choices button:active {
  border-color: var(--accent);
  color: var(--accent);
}

/* ── Intro overlay ──────────────────────────────────────────────────────────── */

#intro-overlay {
  position: absolute;
  inset: 0;
  background: #000;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 1;
  transition: opacity 1.2s ease;
}

#intro-stack {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 36px;
  transform: translateY(0);
  transition: transform 1.2s ease;
}

#intro-stack.lift-1 { transform: translateY(-16px); }
#intro-stack.lift-2 { transform: translateY(-40px); }

.intro-tagline {
  color: #c8d3e8;
  font-size: 1rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  opacity: 0;
  transition: opacity 1.4s ease;
}

.intro-tagline.visible { opacity: 1; }

.intro-time {
  color: #c8d3e8;
  font-size: 1.2rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 1s ease, transform 1.2s ease;
}

.intro-time.visible {
  opacity: 1;
  transform: translateY(0);
}

#play-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 8px 24px;
  font-size: 0.75rem;
  font-family: inherit;
  letter-spacing: 0.15em;
  cursor: pointer;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 1.2s ease, transform 1.2s ease, border-color 0.12s, color 0.12s;
  -webkit-tap-highlight-color: transparent;
}

#play-btn.visible {
  opacity: 1;
  transform: translateY(0);
}

#play-btn:hover  { border-color: #2a3450; color: var(--text); }
#play-btn:active { border-color: var(--accent); color: var(--accent); }

/* ── Glitch overlay ─────────────────────────────────────────────────────────── */

#glitch-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 50;
  opacity: 0;
}

#glitch-overlay.active {
  opacity: 1;
}

/* ── Glitch animations ───────────────────────────────────────────────────────── */

/* 1. Corrupt — chaotic skew + colour corruption (original) */
@keyframes glitch-corrupt {
  0%   { transform: translate(0,0)       skewX(0deg);  filter: none; }
  8%   { transform: translate(-5px,2px)  skewX(-3deg); filter: hue-rotate(90deg) brightness(2) contrast(1.5); }
  16%  { transform: translate(6px,-2px);               filter: invert(0.15) saturate(4); }
  24%  { transform: translate(-3px,0)    skewX(2deg);  filter: brightness(0.25); }
  32%  { transform: translate(5px,3px)   skewX(-2deg); filter: hue-rotate(200deg) brightness(1.8); }
  40%  { transform: translate(-6px,-1px);              filter: invert(0.3); }
  48%  { transform: translate(4px,2px)   skewX(3deg);  filter: brightness(3) saturate(0.1); }
  56%  { transform: translate(-4px,0);                 filter: hue-rotate(280deg); }
  64%  { transform: translate(6px,-3px)  skewX(-1deg); filter: brightness(0.4) contrast(2); }
  72%  { transform: translate(-2px,1px)  skewX(1deg);  filter: invert(0.08); }
  80%  { transform: translate(3px,-1px);               filter: hue-rotate(40deg) brightness(1.3); }
  90%  { transform: translate(-1px,0)    skewX(-1deg); filter: brightness(0.9); }
  100% { transform: translate(0,0)       skewX(0deg);  filter: none; }
}

/* 2. Hue wave — cycling hue rotation with lateral drift */
@keyframes glitch-hue {
  0%   { filter: none;                                              transform: translate(0,0); }
  10%  { filter: hue-rotate(90deg)  saturate(4) brightness(1.6);   transform: translate(-3px,0); }
  20%  { filter: hue-rotate(200deg) saturate(3) brightness(0.8);   transform: translate(3px,0); }
  30%  { filter: hue-rotate(310deg) saturate(5) brightness(2);     transform: translate(-2px,1px); }
  40%  { filter: hue-rotate(45deg)  saturate(6);                   transform: translate(4px,-1px); }
  50%  { filter: hue-rotate(160deg) saturate(3) brightness(1.8);   transform: translate(0,0); }
  60%  { filter: hue-rotate(270deg) saturate(4);                   transform: translate(-4px,0); }
  70%  { filter: hue-rotate(130deg) saturate(2) brightness(1.4);   transform: translate(2px,0); }
  85%  { filter: hue-rotate(30deg)  saturate(1.5) brightness(1.1); }
  100% { filter: none;                                              transform: translate(0,0); }
}

/* 3. Neon bleed — intense multi-colour channel split */
@keyframes glitch-neon {
  0%   { filter: none;                                                                                                              transform: translate(0,0); }
  12%  { filter: drop-shadow(10px 0 0 rgba(255,0,68,1)) drop-shadow(-10px 0 0 rgba(0,255,100,1)) brightness(1.6);                  transform: translate(-3px,0); }
  20%  { filter: none;                                                                                                              transform: translate(4px,0); }
  32%  { filter: drop-shadow(-12px 0 2px rgba(255,210,0,0.95)) drop-shadow(12px 0 0 rgba(0,80,255,0.95));                          transform: translate(0,0); }
  42%  { filter: none; }
  55%  { filter: drop-shadow(9px 0 0 rgba(255,0,255,0.95)) drop-shadow(-9px 0 0 rgba(0,255,255,0.95)) brightness(1.9);             transform: translate(-5px,0); }
  65%  { filter: none;                                                                                                              transform: translate(0,0); }
  78%  { filter: drop-shadow(14px 0 0 rgba(255,60,0,0.8)) drop-shadow(-14px 0 0 rgba(0,200,255,0.8)); }
  88%  { filter: none; }
  100% { filter: none;                                                                                                              transform: translate(0,0); }
}

/* 4. Invert-colour — dramatic inversion with hue shift */
@keyframes glitch-invert {
  0%   { filter: none;                                          transform: translate(0,0); }
  10%  { filter: invert(1) hue-rotate(45deg)  saturate(6) brightness(1.6); transform: translate(-3px,0); }
  18%  { filter: none;                                          transform: translate(0,0); }
  30%  { filter: invert(0.85) hue-rotate(200deg) saturate(4);  transform: translate(-4px,0); }
  38%  { filter: none;                                          transform: translate(3px,0); }
  50%  { filter: invert(1) hue-rotate(90deg)  saturate(8) brightness(2); transform: translate(0,0); }
  58%  { filter: none; }
  70%  { filter: invert(0.7) hue-rotate(300deg) saturate(5);   transform: translate(-2px,0); }
  80%  { filter: none;                                          transform: translate(0,0); }
  100% { filter: none;                                          transform: translate(0,0); }
}

/* 5. RGB split — chromatic aberration */
@keyframes glitch-rgb {
  0%   { filter: none;                                                                                    transform: translate(0,0); }
  10%  { filter: drop-shadow(7px 0 0 rgba(255,0,68,0.9)) drop-shadow(-7px 0 0 rgba(0,220,255,0.9));     transform: translate(-2px,0); }
  18%  { filter: none;                                                                                    transform: translate(3px,0); }
  26%  { transform: translate(0,0); }
  38%  { filter: drop-shadow(-9px 0 0 rgba(255,0,68,0.75)) drop-shadow(9px 0 0 rgba(0,220,255,0.75)); }
  46%  { filter: none; }
  60%  { filter: drop-shadow(11px 0 0 rgba(255,0,68,0.85)) drop-shadow(-11px 0 0 rgba(0,220,255,0.85)); transform: translate(-4px,0); }
  70%  { filter: none;                                                                                    transform: translate(0,0); }
  100% { filter: none;                                                                                    transform: translate(0,0); }
}

/* ── Eyes shudder ────────────────────────────────────────────────────────────── */

@keyframes eyes-shudder {
  0%   { transform: translate(0, 0); }
  10%  { transform: translate(-2px, 1px); }
  20%  { transform: translate(2px, -1px); }
  30%  { transform: translate(-1px, 2px); }
  40%  { transform: translate(2px, 1px); }
  50%  { transform: translate(-2px, -1px); }
  60%  { transform: translate(1px, 2px); }
  70%  { transform: translate(-1px, -2px); }
  80%  { transform: translate(2px, 0px); }
  90%  { transform: translate(-1px, 1px); }
  100% { transform: translate(0, 0); }
}

@keyframes eyes-shudder-hard {
  0%   { transform: translate(0, 0); }
  10%  { transform: translate(-7px, 4px); }
  20%  { transform: translate(8px, -5px); }
  30%  { transform: translate(-5px, 7px); }
  40%  { transform: translate(9px, 3px); }
  50%  { transform: translate(-8px, -6px); }
  60%  { transform: translate(5px, 8px); }
  70%  { transform: translate(-9px, -4px); }
  80%  { transform: translate(7px, 2px); }
  90%  { transform: translate(-4px, 6px); }
  100% { transform: translate(0, 0); }
}

.eyes-shuddering      { animation: eyes-shudder      0.35s steps(1) forwards; }
.eyes-shuddering-hard { animation: eyes-shudder-hard 0.35s steps(1) forwards; }

#phone.glitching-corrupt { animation: glitch-corrupt 0.16s steps(1) forwards; }
#phone.glitching-hue     { animation: glitch-hue     0.16s steps(1) forwards; }
#phone.glitching-neon    { animation: glitch-neon    0.16s steps(1) forwards; }
#phone.glitching-invert  { animation: glitch-invert  0.16s steps(1) forwards; }
#phone.glitching-rgb     { animation: glitch-rgb     0.16s steps(1) forwards; }