:root{
  --bg:#0d0a12; --bg-2:#150f1d; --panel:#1b1426;
  --ink:#f3ecf7; --ink-dim:#b6a9c4;
  --accent:#ff3d8b; --accent-2:#a06bff; --gold:#ffcf6b;
  --line:rgba(255,255,255,.08); --radius:16px;
  --font:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{background:var(--bg);color:var(--ink);font-family:var(--font);line-height:1.6;-webkit-font-smoothing:antialiased;
  display:flex;flex-direction:column}
body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:radial-gradient(60% 50% at 80% 0%,rgba(160,107,255,.18),transparent 70%),
             radial-gradient(50% 50% at 0% 100%,rgba(255,61,139,.12),transparent 70%)}
.muted{color:var(--ink-dim)}
.word{font-weight:800;letter-spacing:-.02em;font-size:1.3rem}
.word .dot{color:var(--accent)}

.btn{display:inline-block;padding:11px 20px;border-radius:999px;font-weight:600;cursor:pointer;
  border:1px solid transparent;transition:transform .12s ease,opacity .12s ease;font-size:.95rem;font-family:inherit}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink-dim)}
.btn-ghost:hover{color:var(--ink)}
.btn-mini{padding:8px 14px;font-size:.85rem}

/* ---- login ---- */
.center{align-items:center;justify-content:center;padding:24px}
.login-card{max-width:360px;width:100%;text-align:center;background:var(--panel);
  border:1px solid var(--line);border-radius:24px;padding:40px 32px}
.login-card .word{font-size:2rem;margin-bottom:6px}
.login-card .tagline{color:var(--ink-dim);font-size:.95rem;margin-bottom:24px}
.login-card form{display:flex;flex-direction:column;gap:12px}
.login-card input{padding:13px 16px;border-radius:12px;border:1px solid var(--line);
  background:var(--bg);color:var(--ink);font-size:1rem;font-family:inherit}
.login-card input:focus{outline:none;border-color:var(--accent-2)}
.login-card .btn{margin-top:4px}
.login-card .error{color:var(--accent);font-size:.9rem;margin-bottom:14px}
.login-card .note{font-size:.75rem;color:var(--ink-dim);opacity:.6;margin-top:18px}

/* ---- chat header ---- */
header{position:sticky;top:0;z-index:50;backdrop-filter:blur(10px);
  background:rgba(13,10,18,.72);border-bottom:1px solid var(--line)}
header .bar{display:flex;align-items:center;justify-content:space-between;height:60px;
  max-width:820px;margin:0 auto;padding:0 20px}
.header-actions{display:flex;align-items:center;gap:10px}
.header-actions .who{font-size:.85rem;margin-right:4px}
@media(max-width:540px){.header-actions .who{display:none}}

/* ---- messages ---- */
#chat{flex:1;overflow-y:auto;width:100%}
#messages{max-width:820px;margin:0 auto;padding:28px 20px 12px;display:flex;flex-direction:column;gap:16px}
.msg{display:flex}
.msg.you{justify-content:flex-end}
.bubble{max-width:74%;padding:13px 17px;border-radius:18px;font-size:1rem;white-space:pre-wrap;word-wrap:break-word}
.msg.yukiko .bubble{background:var(--panel);border:1px solid var(--line);border-bottom-left-radius:6px}
.msg.you .bubble{background:linear-gradient(135deg,rgba(255,61,139,.92),rgba(160,107,255,.92));
  color:#fff;border-bottom-right-radius:6px}
.msg.yukiko .bubble{border-left:2px solid var(--accent-2)}

.typing .bubble{color:var(--ink-dim);font-style:italic}
.dots span{animation:blink 1.4s infinite both}
.dots span:nth-child(2){animation-delay:.2s}
.dots span:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,80%,100%{opacity:.2}40%{opacity:1}}

.sys-note{align-self:center;color:var(--ink-dim);font-size:.8rem;opacity:.7;padding:4px 0}

/* memory debug (only shows if server debug on) */
.mem-debug{align-self:flex-start;max-width:74%;font-size:.74rem;color:var(--ink-dim);
  border-left:2px solid var(--gold);padding:4px 0 4px 10px;opacity:.8}
.mem-debug b{color:var(--gold)}

/* ---- composer ---- */
#composer{position:sticky;bottom:0;background:rgba(13,10,18,.85);backdrop-filter:blur(10px);
  border-top:1px solid var(--line)}
#composer{display:flex;gap:10px;max-width:820px;margin:0 auto;width:100%;padding:14px 20px 18px}
#input{flex:1;resize:none;max-height:160px;padding:13px 16px;border-radius:16px;
  border:1px solid var(--line);background:var(--bg-2);color:var(--ink);font-size:1rem;
  font-family:inherit;line-height:1.5}
#input:focus{outline:none;border-color:var(--accent-2)}
#send{align-self:flex-end}
#send:disabled{opacity:.4;cursor:default;transform:none}

/* ---- memories page ---- */
.mem-page{flex:1;overflow-y:auto;width:100%}
.mem-wrap{max-width:820px;margin:0 auto;padding:24px 20px 60px}
.mem-h{font-size:1.15rem;margin:26px 0 4px;display:flex;align-items:center;gap:10px}
.small{font-size:.85rem;margin-bottom:14px}
.tiny{font-size:.72rem}
.pill{background:rgba(255,61,139,.16);color:var(--accent);font-size:.72rem;
  padding:2px 9px;border-radius:999px;font-weight:600}

.mem-card{background:var(--panel);border:1px solid var(--line);border-radius:14px;
  padding:14px 16px;margin-bottom:12px}
.mem-card.is-pinned{border-color:rgba(255,61,139,.4)}
.pending-card{border-left:3px solid var(--gold)}
.mem-body{font-size:.97rem;line-height:1.5;margin-bottom:10px;outline:none}
.mem-body[contenteditable=true]{border:1px dashed var(--accent-2);border-radius:8px;padding:8px}
.mem-text-edit{width:100%;background:var(--bg-2);color:var(--ink);border:1px solid var(--line);
  border-radius:8px;padding:8px 10px;font-family:inherit;font-size:.95rem;resize:vertical;margin-bottom:10px}

.mem-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.grow{flex:1}
.mem-field{font-size:.75rem;color:var(--ink-dim);display:flex;align-items:center;gap:6px}
.imp-input{width:64px;background:var(--bg-2);color:var(--ink);border:1px solid var(--line);
  border-radius:8px;padding:5px 8px;font-family:inherit}
.mem-check{font-size:.8rem;color:var(--ink-dim);display:flex;align-items:center;gap:5px}

.chip{background:transparent;border:1px solid var(--line);color:var(--ink-dim);
  border-radius:999px;padding:5px 12px;font-size:.8rem;cursor:pointer;font-family:inherit}
.chip:hover{color:var(--ink)}
.chip.on{background:rgba(255,61,139,.16);border-color:rgba(255,61,139,.45);color:var(--accent)}
.core-btn.on{background:rgba(255,207,107,.16);border-color:rgba(255,207,107,.5);color:var(--gold)}

.mem-tags{display:flex;gap:5px;flex-wrap:wrap}
.tag{font-size:.68rem;color:var(--ink-dim);background:var(--bg-2);border:1px solid var(--line);
  padding:2px 8px;border-radius:999px}
.tag.core{color:var(--gold);border-color:rgba(255,207,107,.4)}