/* base.css — shared across all screens */

:root {
  --cream: #ebe2d2;
  --cream-2: #d8cdba;
  --cream-3: #f5ecdc;
  --ink: #1c1815;
  --ink-dim: #6b6258;
  --accent: #b32a1f;
  --accent-dim: #7a2018;
  --hp-green: #6b8a4a;
  --hp-yellow: #c9a040;
  --hp-red: #b32a1f;
  --shadow: rgba(28, 24, 21, 0.18);
}

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

html, body {
  background: var(--cream);
  color: var(--ink);
  min-height: 100vh;
  min-height: 100dvh;
  font-family: 'Press Start 2P', 'JetBrains Mono', monospace;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body {
  position: relative;
}

/* paper grain */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 100;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 240 240' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.92' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.18'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
  opacity: 0.45;
}

/* vignette */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 99;
  background: radial-gradient(ellipse at center, transparent 50%, rgba(28, 24, 21, 0.12) 100%);
}

.app {
  min-height: 100vh;
  min-height: 100dvh;
  position: relative;
  z-index: 1;
}

/* screens layer on top of each other, only one visible */
.screen {
  display: none;
  min-height: 100vh;
  min-height: 100dvh;
  max-width: 480px;
  margin: 0 auto;
  padding: 28px 24px;
  flex-direction: column;
  position: relative;
  animation: fadeIn 0.5s ease-out;
}
.screen.active {
  display: flex;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* dark variant for cold open */
.screen.dark {
  background: #14110e;
  color: var(--cream);
}

/* system header — small text top corners */
.sys {
  font-family: 'Press Start 2P', monospace;
  font-size: 8px;
  letter-spacing: 1px;
  color: var(--ink-dim);
  text-transform: uppercase;
  display: flex;
  justify-content: space-between;
  line-height: 1.6;
  margin-bottom: 24px;
}
.dark .sys {
  color: rgba(235, 226, 210, 0.4);
}

/* mute toggle (bottom right, out of the way) */
.mute {
  position: fixed;
  bottom: 16px;
  right: 16px;
  z-index: 200;
  background: var(--cream);
  border: 1px solid var(--ink-dim);
  color: var(--ink-dim);
  font-family: 'Press Start 2P', monospace;
  font-size: 7px;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 8px 10px;
  cursor: pointer;
  transition: all 0.15s;
  box-shadow: 2px 2px 0 var(--ink);
}
.mute:hover {
  border-color: var(--ink);
  color: var(--ink);
}
.dark .mute {
  border-color: rgba(235, 226, 210, 0.3);
  color: rgba(235, 226, 210, 0.5);
}

/* shared button */
.btn {
  background: var(--ink);
  color: var(--cream);
  border: none;
  padding: 14px 18px;
  font-family: 'Press Start 2P', monospace;
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  cursor: pointer;
  box-shadow: 4px 4px 0 var(--accent);
  transition: all 0.15s;
  width: 100%;
  text-align: center;
  display: inline-block;
}
.btn:hover, .btn:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--accent);
}
.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--ink);
  box-shadow: none;
}
.btn-ghost:hover {
  background: var(--ink);
  color: var(--cream);
  transform: none;
  box-shadow: none;
}

/* utility */
.serif {
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.01em;
}
.pixel {
  font-family: 'Press Start 2P', monospace;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.red { color: var(--accent); }
.dim { color: var(--ink-dim); }

.dotted-line {
  border: none;
  border-top: 1px dashed var(--ink-dim);
  margin: 12px 0;
}
.solid-line {
  border: none;
  border-top: 1px solid var(--ink);
}

/* sprite display — sprites have black bg, we frame them as portrait cards */
.sprite-frame {
  background: #14110e;
  border: 1px solid var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}
.sprite-frame img {
  image-rendering: pixelated;
  image-rendering: -moz-crisp-edges;
  max-width: 100%;
  max-height: 100%;
  display: block;
}

/* responsive */
@media (max-width: 380px) {
  .screen { padding: 20px 16px; }
}