/* The Ninth Protocol — neon sci-fi, text-first, responsive */

:root {
  --bg: #030308;
  --bg-raised: #0a0a18;
  --text: #cdd6e0;
  --text-dim: #5a6a7a;
  --accent: #00e5ff;
  --accent-dim: #00a0b4;
  --accent-glow: rgba(0, 229, 255, 0.35);
  --accent-glow-soft: rgba(0, 229, 255, 0.12);
  --error: #ff3c5f;
  --success: #00ff9d;
  --border: #141428;
  --font-serif: "Georgia", "Times New Roman", serif;
  --font-mono: "SF Mono", "Fira Code", "Consolas", monospace;
  --max-width: 42rem;
}

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

html {
  font-size: 18px;
  line-height: 1.7;
}

body {
  font-family: var(--font-serif);
  background:
    /* --- star field: tiny bright dots --- */
    radial-gradient(0.8px 0.8px at 12% 8%,   rgba(255,255,255,0.55), transparent),
    radial-gradient(0.6px 0.6px at 27% 14%,  rgba(200,220,255,0.4),  transparent),
    radial-gradient(1px   1px   at 5%  35%,  rgba(255,255,255,0.5),  transparent),
    radial-gradient(0.5px 0.5px at 45% 22%,  rgba(180,200,255,0.35), transparent),
    radial-gradient(0.7px 0.7px at 68% 5%,   rgba(255,255,255,0.45), transparent),
    radial-gradient(0.9px 0.9px at 82% 18%,  rgba(220,230,255,0.4),  transparent),
    radial-gradient(0.5px 0.5px at 91% 32%,  rgba(255,255,255,0.35), transparent),
    radial-gradient(0.8px 0.8px at 35% 55%,  rgba(255,255,255,0.4),  transparent),
    radial-gradient(0.6px 0.6px at 58% 45%,  rgba(200,210,255,0.35), transparent),
    radial-gradient(1px   1px   at 75% 60%,  rgba(255,255,255,0.5),  transparent),
    radial-gradient(0.5px 0.5px at 15% 72%,  rgba(220,230,255,0.3),  transparent),
    radial-gradient(0.7px 0.7px at 42% 78%,  rgba(255,255,255,0.4),  transparent),
    radial-gradient(0.6px 0.6px at 88% 68%,  rgba(200,220,255,0.35), transparent),
    radial-gradient(0.9px 0.9px at 62% 85%,  rgba(255,255,255,0.45), transparent),
    radial-gradient(0.5px 0.5px at 22% 92%,  rgba(220,240,255,0.3),  transparent),
    radial-gradient(0.8px 0.8px at 50% 95%,  rgba(255,255,255,0.35), transparent),
    radial-gradient(0.6px 0.6px at 78% 88%,  rgba(200,210,255,0.3),  transparent),
    /* --- nebula clouds --- */
    radial-gradient(ellipse 40% 30% at 20% 25%, rgba(60, 20, 120, 0.12), transparent),
    radial-gradient(ellipse 35% 40% at 75% 15%, rgba(20, 40, 130, 0.10), transparent),
    radial-gradient(ellipse 50% 35% at 50% 70%, rgba(40, 15, 100, 0.08), transparent),
    radial-gradient(ellipse 30% 25% at 85% 75%, rgba(0, 80, 120, 0.07),  transparent),
    /* --- base --- */
    var(--bg);
  color: var(--text);
  min-height: 100vh;
  padding: 2rem 1rem;
}

#app {
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* ---- Watermark ---- */

.watermark {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 0;
  opacity: 0.025;
  filter: brightness(0) invert(1);
  mix-blend-mode: screen;
}

.watermark img {
  display: block;
  width: min(70vw, 600px);
  height: auto;
}

/* ---- Screens ---- */

.screen {
  animation: fadeIn 0.3s ease;
}

.hidden {
  display: none !important;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---- Typography ---- */

h1 {
  font-family: var(--font-mono);
  font-size: 2.4rem;
  font-weight: 400;
  color: var(--accent);
  letter-spacing: 0.04em;
  margin-bottom: 0.25rem;
  text-shadow: 0 0 8px var(--accent-glow), 0 0 20px var(--accent-glow-soft);
}

h2 {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--accent);
  margin-bottom: 0.6rem;
}

.new-game-hint {
  color: var(--text-dim);
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

.subtitle {
  color: var(--text-dim);
  font-style: italic;
  margin-bottom: 2.5rem;
}

/* ---- Forms ---- */

label {
  display: block;
  color: var(--text-dim);
  font-size: 0.85rem;
  margin-bottom: 0.3rem;
  margin-top: 1rem;
}

input[type="email"],
input[type="text"],
select,
textarea {
  width: 100%;
  padding: 0.6rem 0.75rem;
  font-family: var(--font-serif);
  font-size: 1rem;
  background: var(--bg-raised);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  outline: none;
  transition: border-color 0.2s;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 6px var(--accent-glow-soft), inset 0 0 4px var(--accent-glow-soft);
}

textarea {
  resize: vertical;
  min-height: 4rem;
}

select {
  cursor: pointer;
}

button[type="submit"] {
  display: block;
  width: 100%;
  margin-top: 1.5rem;
  padding: 0.65rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent);
  background: transparent;
  border: 1px solid var(--accent);
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s;
  box-shadow: 0 0 8px var(--accent-glow-soft);
}

button[type="submit"]:hover {
  background: rgba(0, 229, 255, 0.08);
  box-shadow: 0 0 14px var(--accent-glow), 0 0 4px var(--accent-glow-soft);
}

button[type="submit"]:disabled {
  opacity: 0.5;
  cursor: wait;
}

.secondary-btn {
  width: 100%;
  margin-top: 1rem;
  padding: 0.55rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-dim);
  background: transparent;
  border: 1px dashed var(--border);
  border-radius: 4px;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}

.secondary-btn:hover {
  color: var(--accent);
  border-color: var(--accent-dim);
}

/* ---- Messages ---- */

.message {
  margin-top: 1rem;
  font-size: 0.9rem;
  min-height: 1.4rem;
}

.message.error {
  color: var(--error);
}

.message.success {
  color: var(--success);
}

/* ---- Game Screen ---- */

.game-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

#game-info {
  font-size: 0.85rem;
  color: var(--text-dim);
}

.link-btn {
  background: none;
  border: none;
  color: var(--accent-dim);
  font-family: var(--font-serif);
  font-size: 0.8rem;
  cursor: pointer;
  text-decoration: underline;
}

.link-btn:hover {
  color: var(--accent);
  text-shadow: 0 0 6px var(--accent-glow-soft);
}

.narrative {
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
  padding: 1.25rem;
  background: var(--bg-raised);
  border-left: 3px solid var(--accent);
  border-radius: 2px;
  white-space: pre-wrap;
  box-shadow: -3px 0 12px var(--accent-glow-soft);
  position: relative;
}

.narrative::after {
  content: "";
  position: absolute;
  bottom: 0.6rem;
  right: 0.8rem;
  width: 28px;
  height: 28px;
  background: url('/ninthprotocol.png') center / contain no-repeat;
  filter: brightness(0) invert(1);
  opacity: 0.06;
  pointer-events: none;
}

.narrative:empty {
  display: none;
}

.state-summary {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-bottom: 2rem;
  padding: 0.5rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  word-break: break-word;
}

/* ---- Loading ---- */

.loading {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(3, 3, 8, 0.85);
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.loading-mark {
  width: 64px;
  height: 64px;
  opacity: 0.85;
  animation: pulse-mark 2.4s ease-in-out infinite;
}

@keyframes pulse-mark {
  0%, 100% { opacity: 0.55; filter: drop-shadow(0 0 0px transparent); }
  50% { opacity: 1; filter: drop-shadow(0 0 14px var(--accent-glow)); }
}

.loading span {
  font-family: var(--font-mono);
  color: var(--accent);
  font-style: italic;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-shadow: 0 0 10px var(--accent-glow), 0 0 24px var(--accent-glow-soft);
}

/* ---- Version footer ---- */

.version-footer {
  position: fixed;
  bottom: 0.5rem;
  right: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-dim);
  opacity: 0.5;
  z-index: 1;
}

.version-footer a {
  color: var(--accent-dim);
  text-decoration: none;
}

.version-footer a:hover {
  color: var(--accent);
  text-shadow: 0 0 6px var(--accent-glow-soft);
}

/* ---- Responsive ---- */

@media (max-width: 480px) {
  html {
    font-size: 16px;
  }

  body {
    padding: 1rem 0.75rem;
  }

  h1 {
    font-size: 1.8rem;
  }
}