/* ===== Tokens ===== */
:root{
  --bg: #0E1420;
  --bg-raised: #161F30;
  --line: #263149;
  --text: #EAEEF7;
  --text-dim: #8C97AD;
  --a: #F2A65A;      /* partner A — amber */
  --a-glow: #F2A65A66;
  --b: #4FC7C7;      /* partner B — teal */
  --b-glow: #4FC7C766;
  --radius: 18px;
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
}

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,500;9..144,600&family=Inter:wght@400;500;600&display=swap');

*{ box-sizing: border-box; }
html,body{ height:100%; }
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  -webkit-font-smoothing:antialiased;
  overscroll-behavior:none;
}

.hidden{ display:none !important; }

/* ===== Layout shells ===== */
.screen{ min-height:100dvh; display:flex; flex-direction:column; }
.wrap{ max-width:420px; margin:0 auto; padding:48px 24px 24px; width:100%; }
.wrap.center{ text-align:center; padding-top:88px; }

/* ===== Brand / beacon mini ===== */
.brand{ text-align:center; margin-bottom:32px; }
.brand h1{ font-family:var(--font-display); font-weight:600; font-size:2rem; margin:16px 0 4px; }
.sub{ color:var(--text-dim); margin:0; font-size:0.95rem; }

.beacon-mini{ display:flex; justify-content:center; gap:14px; height:24px; align-items:center; }
.beacon-mini .dot{ width:11px; height:11px; border-radius:50%; }
.dot-a{ background:var(--a); box-shadow:0 0 12px var(--a-glow); }
.dot-b{ background:var(--b); box-shadow:0 0 12px var(--b-glow); }
.beacon-mini.big{ margin-bottom:20px; }
.beacon-mini.big .dot{ width:22px; height:22px; }
.pulse{ animation: pulse 1.8s ease-in-out infinite; }
@keyframes pulse{
  0%,100%{ transform:scale(1); opacity:1; }
  50%{ transform:scale(1.35); opacity:0.6; }
}

/* ===== Card / tabs ===== */
.card{ background:var(--bg-raised); border:1px solid var(--line); border-radius:var(--radius); padding:20px; }
.tabs{ display:flex; gap:4px; background:var(--bg); border-radius:12px; padding:4px; margin-bottom:20px; }
.tab{ flex:1; border:none; background:transparent; color:var(--text-dim); padding:10px; border-radius:9px; font-size:0.9rem; font-weight:500; font-family:var(--font-body); cursor:pointer; }
.tab.active{ background:var(--bg-raised); color:var(--text); }
.tab-panel{ display:flex; flex-direction:column; gap:10px; }

.field-label{ font-size:0.78rem; color:var(--text-dim); margin-top:6px; }
.input{
  background:var(--bg); border:1px solid var(--line); color:var(--text);
  border-radius:12px; padding:13px 14px; font-size:1rem; font-family:var(--font-body);
  outline:none; width:100%;
}
.input:focus{ border-color:var(--a); }
.code-input{ letter-spacing:2px; text-transform:uppercase; font-weight:600; }

.btn{ border:none; border-radius:12px; padding:14px; font-size:1rem; font-weight:600; font-family:var(--font-body); cursor:pointer; }
.btn-primary{ background:linear-gradient(135deg, var(--a), var(--b)); color:#0E1420; margin-top:6px; }
.btn-primary:active{ opacity:0.85; }
.btn-ghost{ background:transparent; border:1px solid var(--line); color:var(--text); }
.hint{ font-size:0.8rem; color:var(--text-dim); text-align:center; margin:4px 0 0; }

/* ===== Waiting screen ===== */
.code-display{
  font-family:var(--font-display); font-size:2.2rem; letter-spacing:4px;
  margin:12px 0 18px; color:var(--text);
}
.waiting-text{ color:var(--text-dim); margin-top:24px; font-size:0.9rem; }

/* ===== Board header / beacon ===== */
.board-header{ padding:20px 20px 16px; border-bottom:1px solid var(--line); }
.beacon{ display:flex; align-items:center; justify-content:center; gap:0; max-width:420px; margin:0 auto; }
.beacon-side{ display:flex; flex-direction:column; align-items:center; gap:8px; flex:1; }
.orb{ width:46px; height:46px; border-radius:50%; transition:box-shadow .4s, transform .4s; }
.orb-a{ background:var(--a); }
.orb-b{ background:var(--b); }
.beacon-link{ width:60px; height:2px; position:relative; top:-14px; }
.link-line{ display:block; height:2px; width:100%; background:linear-gradient(90deg, var(--a), var(--b)); opacity:0.35; }
.beacon-label{ text-align:center; }
.who{ display:block; font-size:0.8rem; color:var(--text-dim); }
.mood-word{ display:block; font-family:var(--font-display); font-size:1.05rem; font-weight:600; margin-top:2px; }

/* mood-driven orb states */
.orb.mood-glow{ box-shadow:0 0 0 6px currentColor; }

/* ===== Board main ===== */
.board-main{ flex:1; overflow-y:auto; padding:16px; max-width:420px; margin:0 auto; width:100%; }

.mood-picker{ display:flex; gap:8px; overflow-x:auto; padding-bottom:14px; margin-bottom:10px; border-bottom:1px solid var(--line); }
.mood-btn{
  flex:0 0 auto; background:var(--bg-raised); border:1px solid var(--line); color:var(--text);
  border-radius:999px; padding:9px 14px; font-size:0.85rem; font-family:var(--font-body);
  display:flex; align-items:center; gap:6px; cursor:pointer; white-space:nowrap;
}
.mood-btn.selected{ border-color:var(--a); background:#F2A65A22; }

.board-feed{ display:flex; flex-direction:column; gap:10px; padding-bottom:8px; }
.msg{ max-width:78%; padding:10px 14px; border-radius:16px; font-size:0.95rem; line-height:1.4; }
.msg-mine{ align-self:flex-end; background:var(--a); color:#20140A; border-bottom-right-radius:4px; }
.msg-theirs{ align-self:flex-start; background:var(--b); color:#082222; border-bottom-left-radius:4px; }
.msg-meta{ font-size:0.7rem; opacity:0.65; margin-top:3px; }
.empty-feed{ text-align:center; color:var(--text-dim); margin-top:32px; font-size:0.9rem; }

/* ===== Composer ===== */
.composer{
  display:flex; gap:8px; padding:14px 16px calc(14px + env(safe-area-inset-bottom));
  border-top:1px solid var(--line); background:var(--bg); max-width:420px; margin:0 auto; width:100%;
}
.msg-input{ flex:1; }
.btn-send{ width:auto; padding:0 20px; }

/* ===== Toast ===== */
.toast{
  position:fixed; bottom:24px; left:50%; transform:translateX(-50%);
  background:var(--bg-raised); border:1px solid var(--line); color:var(--text);
  padding:10px 18px; border-radius:12px; font-size:0.85rem; z-index:50;
}

@media (min-width:480px){
  .screen{ align-items:center; }
  #screen-board{ display:flex; }
}