:root {
  --bg: #0b0e13;
  --ink: #d9d5c9;
  --dim: #8a877d;
  --line: #232833;
  --rain: #7fa8b0;
}

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

html { background: var(--bg); }

body {
  min-height: 100dvh;
  color: var(--ink);
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
  font-size: 17px;
  letter-spacing: 0.04em;
  line-height: 2;
  background:
    radial-gradient(1200px 500px at 70% -10%, #11161f 0%, transparent 60%),
    var(--bg);
  -webkit-font-smoothing: antialiased;
}

.screen {
  max-width: 36em;
  margin: 0 auto;
  padding: clamp(2rem, 8vh, 5rem) 1.4rem 4rem;
}

.brand {
  color: var(--dim);
  font-size: 0.78rem;
  letter-spacing: 0.35em;
  margin-bottom: 1.6rem;
}

h1 {
  font-weight: 600;
  font-size: clamp(1.7rem, 6vw, 2.5rem);
  letter-spacing: 0.12em;
  line-height: 1.6;
}

.slogan {
  color: var(--dim);
  margin-top: 0.9rem;
  font-size: 0.95rem;
}

.menu {
  margin-top: 3rem;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.btn {
  font: inherit;
  letter-spacing: 0.15em;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--line);
  padding: 0.72rem 1.1rem;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.btn:hover { border-color: var(--rain); background: #10151d; }
.btn.primary { border-left: 3px solid var(--rain); }
.btn.ghost { border-style: dashed; color: var(--dim); }
.btn.small { padding: 0.45rem 0.9rem; text-align: center; }

.linklike {
  background: none;
  border: none;
  color: var(--dim);
  font: inherit;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  cursor: pointer;
  margin-top: 2.4rem;
  text-decoration: underline;
  text-underline-offset: 4px;
}
.linklike:hover { color: var(--rain); }

footer {
  margin-top: 5rem;
  color: #4a4e57;
  font-size: 0.75rem;
  letter-spacing: 0.25em;
}

#reading { padding-bottom: 6rem; }

#text p {
  margin-bottom: 1.5em;
  opacity: 0;
  transform: translateY(6px);
  animation: fade 0.9s ease forwards;
}

@keyframes fade {
  to { opacity: 1; transform: none; }
}

#choices {
  margin-top: 2.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

#choices .btn { animation: fade 0.7s ease forwards; }

#clock {
  position: fixed;
  top: 1.1rem;
  right: 1.3rem;
  font-family: "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.85rem;
  color: var(--dim);
  letter-spacing: 0.2em;
}

#paywall:not([hidden]) {
  position: fixed;
  inset: 0;
  background: rgba(5, 7, 10, 0.88);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.4rem;
  z-index: 10;
}

#paywall .card {
  max-width: 24em;
  width: 100%;
  border: 1px solid var(--line);
  background: var(--bg);
  padding: 2rem 1.6rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.pw-tag { color: var(--rain); letter-spacing: 0.3em; font-size: 0.8rem; }
.pw-price { font-size: 1.5rem; letter-spacing: 0.1em; }
.pw-hint { color: var(--dim); font-size: 0.82rem; line-height: 1.8; }

input {
  font: inherit;
  color: var(--ink);
  background: #10151d;
  border: 1px solid var(--line);
  padding: 0.7rem 0.9rem;
  letter-spacing: 0.08em;
}
input:focus { outline: none; border-color: var(--rain); }

.msg { color: #c08a6d; font-size: 0.85rem; min-height: 1.2em; }

.gallery { color: var(--dim); font-size: 0.9rem; margin-top: 1.6rem; line-height: 2.2; }
.gallery .got { color: var(--rain); }
.gallery .miss { color: #4a4e57; }

.io { margin-top: 2.6rem; color: var(--dim); font-size: 0.85rem; }
.io summary { cursor: pointer; letter-spacing: 0.1em; }
.io textarea {
  width: 100%;
  height: 4.5em;
  margin-top: 0.8rem;
  background: #10151d;
  border: 1px solid var(--line);
  color: var(--ink);
  font-family: "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.72rem;
  padding: 0.5rem;
  resize: vertical;
}
.io .row { display: flex; gap: 0.6rem; margin-top: 0.6rem; }