/* atheist.in — shared styles */
:root {
  --bg: #0d1117;
  --bg-soft: #161b22;
  --bg-card: #1c2129;
  --border: #2d333c;
  --text: #e6e8eb;
  --text-dim: #9aa4b2;
  --accent: #e8b339;      /* candle amber */
  --accent-soft: rgba(232, 179, 57, 0.12);
  --danger: #e05d5d;
  --ok: #4cc38a;
  --font-body: "Segoe UI", "Nirmala UI", system-ui, -apple-system, sans-serif;
  --font-head: Georgia, "Nirmala UI", "Times New Roman", serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.65;
  font-size: 16.5px;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- nav ---------- */
nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 1.6rem;
  padding: 0.85rem 2rem;
  background: rgba(13, 17, 23, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
nav .brand {
  font-family: var(--font-head);
  font-size: 1.25rem; font-weight: 700; color: var(--text);
  letter-spacing: 0.02em;
}
nav .brand span { color: var(--accent); }
nav .links { display: flex; gap: 1.3rem; margin-left: auto; flex-wrap: wrap; }
nav .links a { color: var(--text-dim); font-size: 0.95rem; }
nav .links a:hover, nav .links a.active { color: var(--text); text-decoration: none; }
nav .links a.cta {
  color: #10131a; background: var(--accent);
  padding: 0.32rem 0.95rem; border-radius: 6px; font-weight: 600;
}

nav select.lang {
  margin-left: 0.6rem; background: var(--bg-card); color: var(--text-dim);
  border: 1px solid var(--border); border-radius: 6px;
  padding: 0.28rem 0.5rem; font-size: 0.85rem; font-family: var(--font-body);
  cursor: pointer;
}
nav select.lang:hover { color: var(--text); border-color: var(--text-dim); }

/* content shown only when UI language is not English */
html[lang="en"] .only-noneng { display: none; }

/* translated-message chip in chat */
.msg .tr-chip {
  font-size: 0.7rem; color: var(--text-dim); font-style: italic;
  margin-left: 0.45rem; opacity: 0.85;
}

/* ---------- layout ---------- */
.wrap { max-width: 960px; margin: 0 auto; padding: 0 1.4rem; }
section { padding: 4rem 0; }
h1, h2, h3 { font-family: var(--font-head); line-height: 1.25; }
h1 { font-size: 2.7rem; }
h2 { font-size: 1.8rem; margin-bottom: 1.1rem; }
h3 { font-size: 1.2rem; margin-bottom: 0.5rem; }
p.lead { font-size: 1.2rem; color: var(--text-dim); max-width: 42em; }
.dim { color: var(--text-dim); }
.small { font-size: 0.88rem; }

/* ---------- hero ---------- */
.hero { padding: 6rem 0 4.5rem; text-align: left; }
.hero h1 { max-width: 17em; margin-bottom: 1.1rem; }
.hero h1 em { color: var(--accent); font-style: normal; }
.hero .actions { margin-top: 2rem; display: flex; gap: 1rem; flex-wrap: wrap; }
.btn {
  display: inline-block; padding: 0.65rem 1.5rem; border-radius: 8px;
  font-weight: 600; font-size: 1rem; border: 1px solid var(--border);
  color: var(--text); background: var(--bg-card); cursor: pointer;
  font-family: var(--font-body);
}
.btn:hover { text-decoration: none; border-color: var(--text-dim); }
.btn.primary { background: var(--accent); color: #10131a; border-color: var(--accent); }
.btn.primary:hover { filter: brightness(1.08); }

/* ---------- cards ---------- */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.2rem; }
.card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 10px; padding: 1.5rem;
}
.card h3 { color: var(--text); }
.card p { color: var(--text-dim); font-size: 0.95rem; }

/* ---------- layer ladder ---------- */
.ladder { display: flex; flex-direction: column; gap: 0.7rem; margin-top: 1.5rem; }
.rung {
  display: flex; gap: 1.1rem; align-items: flex-start;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 10px; padding: 1.1rem 1.3rem;
}
.rung .tier {
  flex: 0 0 3.2rem; text-align: center; font-family: var(--font-head);
  font-size: 1.15rem; font-weight: 700; color: var(--accent);
  background: var(--accent-soft); border-radius: 8px; padding: 0.45rem 0;
}
.rung h3 { margin-bottom: 0.15rem; }
.rung p { color: var(--text-dim); font-size: 0.93rem; }
.rung.locked { opacity: 0.85; }
.rung .gate { font-size: 0.82rem; color: var(--accent); margin-top: 0.3rem; display: block; }

/* ---------- articles ---------- */
article.claim {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 10px; margin-bottom: 1.1rem; overflow: hidden;
}
article.claim summary {
  cursor: pointer; padding: 1.15rem 1.4rem; list-style: none;
  display: flex; align-items: baseline; gap: 0.8rem;
}
article.claim summary::-webkit-details-marker { display: none; }
article.claim summary .tag {
  flex-shrink: 0; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--accent);
  background: var(--accent-soft); padding: 0.18rem 0.55rem; border-radius: 5px;
}
article.claim summary h3 { margin: 0; font-size: 1.08rem; }
article.claim .body { padding: 0 1.4rem 1.3rem; color: var(--text-dim); font-size: 0.96rem; }
article.claim .body p { margin-bottom: 0.8rem; }
article.claim .body .verse {
  border-left: 3px solid var(--accent); padding: 0.5rem 1rem; margin: 0.8rem 0;
  background: var(--bg-soft); border-radius: 0 6px 6px 0; font-style: italic;
}
article.claim .body .response {
  border-left: 3px solid var(--border); padding: 0.4rem 1rem; margin: 0.8rem 0;
  font-size: 0.9rem;
}

/* ---------- forms ---------- */
form .field { margin-bottom: 1.2rem; }
form label { display: block; font-weight: 600; margin-bottom: 0.35rem; font-size: 0.95rem; }
form .hint { font-size: 0.82rem; color: var(--text-dim); margin-top: 0.3rem; }
input[type="text"], input[type="email"], textarea, select {
  width: 100%; padding: 0.6rem 0.8rem; border-radius: 7px;
  border: 1px solid var(--border); background: var(--bg-soft);
  color: var(--text); font-family: var(--font-body); font-size: 0.95rem;
}
input:focus, textarea:focus, select:focus { outline: 2px solid var(--accent); border-color: transparent; }
textarea { min-height: 110px; resize: vertical; }

.notice {
  border: 1px solid var(--accent); background: var(--accent-soft);
  border-radius: 10px; padding: 1rem 1.3rem; font-size: 0.93rem; margin: 1.2rem 0;
}
.notice.red { border-color: var(--danger); background: rgba(224, 93, 93, 0.08); }

/* ---------- chat mock ---------- */
.chat-app {
  display: grid; grid-template-columns: 240px 1fr; gap: 0;
  border: 1px solid var(--border); border-radius: 12px; overflow: hidden;
  height: 560px; background: var(--bg-soft);
}
.chat-side { background: var(--bg-card); border-right: 1px solid var(--border); padding: 1rem 0; overflow-y: auto; }
.chat-side .group { padding: 0.7rem 1rem 0.25rem; font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-dim); }
.chat-side .room {
  padding: 0.42rem 1rem; cursor: pointer; font-size: 0.93rem; color: var(--text-dim);
  display: flex; align-items: center; gap: 0.5rem;
}
.chat-side .room:hover { background: var(--bg-soft); color: var(--text); }
.chat-side .room.active { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.chat-side .room.locked { opacity: 0.45; cursor: not-allowed; }
.chat-main { display: flex; flex-direction: column; }
.chat-head {
  padding: 0.8rem 1.2rem; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 0.8rem; background: var(--bg-card);
}
.chat-head .room-name { font-weight: 700; }
.chat-head .room-desc { font-size: 0.82rem; color: var(--text-dim); }
.chat-msgs { flex: 1; overflow-y: auto; padding: 1.1rem 1.2rem; display: flex; flex-direction: column; gap: 0.9rem; }
.msg { display: flex; gap: 0.75rem; }
.msg .avatar {
  flex: 0 0 34px; height: 34px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.85rem; color: #10131a; background: var(--accent);
}
.msg .avatar.b { background: #6ea8fe; } .msg .avatar.c { background: #4cc38a; }
.msg .avatar.d { background: #d17be0; } .msg .avatar.e { background: #e0906b; }
.msg .who { font-weight: 700; font-size: 0.9rem; }
.msg .who .layer-chip {
  font-size: 0.68rem; font-weight: 600; color: var(--accent);
  background: var(--accent-soft); border-radius: 4px; padding: 0.05rem 0.4rem; margin-left: 0.4rem;
}
.msg .text { font-size: 0.94rem; color: var(--text-dim); }
.chat-input { padding: 0.9rem 1.2rem; border-top: 1px solid var(--border); background: var(--bg-card); }
.chat-input input { width: 100%; }
.layer-switch {
  display: flex; align-items: center; gap: 0.7rem; margin-bottom: 1rem; flex-wrap: wrap;
}
.layer-switch button {
  padding: 0.35rem 0.9rem; border-radius: 999px; border: 1px solid var(--border);
  background: var(--bg-card); color: var(--text-dim); cursor: pointer; font-size: 0.86rem;
  font-family: var(--font-body);
}
.layer-switch button.on { background: var(--accent); color: #10131a; border-color: var(--accent); font-weight: 700; }

/* ---------- footer ---------- */
footer {
  border-top: 1px solid var(--border); padding: 2.2rem 0 2.8rem;
  color: var(--text-dim); font-size: 0.88rem;
}
footer .wrap { display: flex; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; }

@media (max-width: 720px) {
  h1 { font-size: 2rem; }
  nav { padding: 0.8rem 1rem; gap: 0.8rem; }
  .chat-app { grid-template-columns: 1fr; height: auto; }
  .chat-side { display: flex; overflow-x: auto; border-right: 0; border-bottom: 1px solid var(--border); padding: 0.5rem; }
  .chat-side .group { display: none; }
  .chat-msgs { min-height: 320px; }
}