:root {
  --sunset-1: #ff6b35;
  --sunset-2: #f7395e;
  --sunset-3: #7b2d8e;
  --err-green: #4dff9e;
  --err-red: #ff2e63;
  --ink: #1a0d1f;
  --paper: #ffe9d6;
}

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

body {
  font-family: 'Bricolage Grotesque', sans-serif;
  background:
    radial-gradient(circle at 20% 10%, rgba(255,107,53,0.5), transparent 55%),
    radial-gradient(circle at 80% 90%, rgba(123,45,142,0.6), transparent 55%),
    linear-gradient(160deg, #2a0a3a 0%, #6b1d4e 45%, #b5364a 75%, #ff8c42 100%);
  min-height: 100vh;
  color: var(--paper);
  overflow-x: hidden;
  position: relative;
}

/* CRT scanline overlay */
.scanlines {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: repeating-linear-gradient(
    to bottom,
    rgba(0,0,0,0) 0px,
    rgba(0,0,0,0) 2px,
    rgba(0,0,0,0.06) 3px
  );
  mix-blend-mode: multiply;
}

#app {
  max-width: 760px;
  margin: 0 auto;
  padding: 2rem 1.2rem 3rem;
  position: relative;
  z-index: 1;
}

header { text-align: center; margin-bottom: 1.6rem; }

.glitch-title {
  font-weight: 800;
  font-size: clamp(1.6rem, 5vw, 2.8rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  position: relative;
  color: var(--paper);
  text-shadow: 3px 0 var(--err-red), -3px 0 var(--err-green);
  animation: titleGlitch 4s infinite;
}
@keyframes titleGlitch {
  0%,92%,100% { text-shadow: 3px 0 var(--err-red), -3px 0 var(--err-green); transform: none; }
  93% { text-shadow: -4px 0 var(--err-red), 4px 0 var(--err-green); transform: translateX(2px); }
  95% { text-shadow: 4px 0 var(--err-red), -4px 0 var(--err-green); transform: translateX(-2px); }
}

.tagline {
  font-weight: 200;
  font-style: italic;
  opacity: 0.9;
  margin-top: 0.5rem;
  font-size: clamp(0.85rem, 2.5vw, 1rem);
}
.visits {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  margin-top: 0.6rem;
  color: var(--err-green);
  opacity: 0.85;
}

.hidden { display: none !important; }

/* dropzone */
.dropzone {
  border: 3px dashed rgba(255,233,214,0.5);
  border-radius: 20px;
  padding: 2.5rem 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  background: rgba(0,0,0,0.18);
  backdrop-filter: blur(4px);
}
.dropzone:hover { border-color: var(--err-green); background: rgba(0,0,0,0.28); }
.dropzone.drag-over {
  border-color: var(--err-green);
  background: rgba(77,255,158,0.12);
  transform: scale(1.01);
}
.folder { font-size: 3rem; margin-bottom: 0.8rem; animation: bob 2.5s ease-in-out infinite; }
@keyframes bob { 50% { transform: translateY(-8px) rotate(-4deg); } }

.hint { margin-top: 1rem; font-weight: 200; line-height: 1.5; }
.dim { opacity: 0.6; font-size: 0.85em; }

/* buttons */
.btn {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-weight: 800;
  border: none;
  border-radius: 14px;
  padding: 0.8rem 1.6rem;
  font-size: 1rem;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
}
.btn:active { transform: scale(0.95); }

.btn-upload {
  background: var(--paper);
  color: var(--ink);
  box-shadow: 0 6px 0 rgba(0,0,0,0.35);
}
.btn-upload:hover { transform: translateY(-2px); }

.btn-animate {
  background: linear-gradient(135deg, var(--err-green), #2fd67c);
  color: #06301c;
  font-size: 1.25rem;
  padding: 1rem 2.4rem;
  box-shadow: 0 0 24px rgba(77,255,158,0.6), 0 6px 0 rgba(0,0,0,0.3);
  animation: pulseGlow 1.8s ease-in-out infinite;
}
@keyframes pulseGlow {
  50% { box-shadow: 0 0 40px rgba(77,255,158,0.9), 0 6px 0 rgba(0,0,0,0.3); }
}
.btn-animate:hover { transform: translateY(-3px); }

.btn-secondary {
  background: rgba(0,0,0,0.35);
  color: var(--paper);
  border: 1px solid rgba(255,233,214,0.4);
  font-size: 0.9rem;
  padding: 0.6rem 1.1rem;
}
.btn-secondary:hover { background: rgba(0,0,0,0.55); border-color: var(--err-green); }

/* stage */
.stage {
  display: flex;
  justify-content: center;
  margin: 1.2rem 0;
  position: relative;
}
.canvas-wrap {
  position: relative;
  border: 10px solid #14060f;
  border-radius: 22px;
  background: #000;
  box-shadow: 0 0 0 3px rgba(255,233,214,0.15), 0 20px 50px rgba(0,0,0,0.5);
  overflow: hidden;
  max-width: 100%;
}
#canvas {
  display: block;
  max-width: 100%;
  height: auto;
}
.canvas-wrap.shake { animation: shake 0.12s infinite; }
@keyframes shake {
  0% { transform: translate(2px,-1px) rotate(0.3deg); }
  50% { transform: translate(-3px,2px) rotate(-0.4deg); }
  100% { transform: translate(1px,1px) rotate(0.2deg); }
}

.palm {
  position: absolute;
  bottom: -6px; right: -4px;
  font-size: 2.4rem;
  transform-origin: bottom center;
  animation: sway 3s ease-in-out infinite;
  z-index: 3;
}
@keyframes sway { 50% { transform: rotate(10deg); } }

/* overlay (loading) */
.overlay {
  position: absolute;
  inset: 0;
  background: rgba(6,3,12,0.7);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.9rem;
  z-index: 2;
  padding: 1rem;
}
.loader {
  width: 44px; height: 44px;
  border: 5px solid rgba(255,233,214,0.25);
  border-top-color: var(--err-green);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.status {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  text-align: center;
}
.progress {
  width: 70%;
  height: 10px;
  background: rgba(255,255,255,0.15);
  border-radius: 6px;
  overflow: hidden;
}
.progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--err-green), #2fd67c);
}

/* error screen */
.error-screen {
  position: absolute;
  inset: 0;
  background: rgba(20,0,10,0.82);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  z-index: 2;
  padding: 1rem;
  text-align: center;
}
.err-face { font-size: 3.2rem; animation: jitter 0.15s infinite; }
@keyframes jitter { 50% { transform: translate(2px,-2px) rotate(3deg); } }
.err-code {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  color: var(--err-red);
  letter-spacing: 0.15em;
  font-size: clamp(1rem, 4vw, 1.4rem);
  text-shadow: 2px 0 rgba(0,255,180,0.6);
}
.err-msg {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  opacity: 0.9;
  max-width: 90%;
}

/* controls */
.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  justify-content: center;
  align-items: center;
  margin-top: 0.5rem;
}
.intensity {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  width: 100%;
  justify-content: center;
  margin-top: 0.4rem;
}
.intensity input[type=range] { accent-color: var(--err-green); width: 160px; }

.funfact {
  text-align: center;
  margin-top: 1.4rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--err-green);
  min-height: 1.2rem;
  opacity: 0.9;
}

/* footer */
footer {
  text-align: center;
  margin-top: 2.5rem;
  font-size: 0.75rem;
  opacity: 0.7;
}
footer a { color: var(--err-green); font-weight: 700; }

/* confetti */
.confetti {
  position: fixed;
  top: -40px;
  z-index: 998;
  pointer-events: none;
  animation-name: fall;
  animation-timing-function: ease-in;
  animation-fill-mode: forwards;
}
@keyframes fall {
  to { transform: translateY(110vh) rotate(540deg); opacity: 0; }
}

@media (max-width: 480px) {
  .btn-animate { font-size: 1.05rem; padding: 0.85rem 1.8rem; }
  .canvas-wrap { border-width: 6px; }
}