/* Lume - static frontend. Style tokens restored from the old obsidianchat build. */
:root{
  --bg:#050505; --panel:#0e0e0f; --line:#222224; --ink:#f3f3f3; --ink2:#9b9b9f;
  --acc:#f3f3f3; --acc-ink:#0a0a0a; --red:#ff6b6b; --hi:rgba(255,255,255,.09);
  --r:18px; --pill:999px; --ok:#7dd87d;
  --font:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
}
[data-theme=light]{
  --bg:#f3f3f1; --panel:#ffffff; --line:#dcdcd8; --ink:#0b0b0b; --ink2:#6a6a6e;
  --acc:#0b0b0b; --acc-ink:#f5f5f5; --red:#c62828; --hi:rgba(255,255,255,.9);
  --ok:#2e7d32;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  background:var(--bg);color:var(--ink);font-family:var(--font);
  font-size:16px;line-height:1.5;
  background-image:radial-gradient(circle at 1px 1px,color-mix(in srgb,var(--ink) 9%,transparent) 1px,transparent 1.3px);
  background-size:22px 22px;
}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
a{color:inherit}
:focus-visible{outline:2px solid var(--acc);outline-offset:2px}

header{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 28px;
  position:sticky;top:0;z-index:20;
  background:color-mix(in srgb,var(--bg) 82%,transparent);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:18px;letter-spacing:-.03em}
.brand svg{display:block}
.tabs{display:flex;background:var(--panel);border:1px solid var(--line);border-radius:var(--pill);padding:4px;box-shadow:inset 0 1px 0 var(--hi)}
.tabs button{font-size:13px;min-height:34px;padding:6px 16px;border-radius:var(--pill);color:var(--ink2);transition:background .25s,color .25s}
.tabs button.on{background:color-mix(in srgb,var(--ink) 10%,var(--bg));color:var(--ink);box-shadow:inset 0 1px 0 var(--hi),0 0 0 1px var(--line)}
[data-theme=light] .tabs button.on{background:#0b0b0b;color:#f5f5f5}
.right{display:flex;align-items:center;gap:8px}
.credits{display:flex;align-items:center;gap:6px;background:var(--panel);border:1px solid var(--line);box-shadow:inset 0 1px 0 var(--hi);border-radius:var(--pill);padding:0 14px;min-height:36px;color:var(--ink2);font-size:13px}
.credits b{color:var(--ink);font-weight:600}
.icon-btn{min-height:36px;min-width:36px;border-radius:var(--pill);display:grid;place-items:center;background:var(--panel);border:1px solid var(--line);box-shadow:inset 0 1px 0 var(--hi);color:var(--ink2)}
.icon-btn:hover{color:var(--ink)}
.avatar{width:36px;height:36px;border-radius:var(--pill);display:grid;place-items:center;background:linear-gradient(180deg,#fff,#c9c9cd);color:#0a0a0a;box-shadow:inset 0 1px #fff;font-weight:600;font-size:14px}
[data-theme=light] .avatar{background:linear-gradient(180deg,#2a2a2c,#0b0b0b);color:#f5f5f5;box-shadow:none}

main{max-width:1080px;margin:0 auto;padding:0 28px}
.page{display:none}.page.on{display:block}

/* chat */
.thread{padding-top:12px;padding-bottom:16px}
.u{margin:0 0 20px auto;max-width:min(86%,620px);width:fit-content;background:linear-gradient(180deg,#fff,#cfcfd2);color:#0a0a0a;box-shadow:inset 0 1px #fff;padding:10px 14px;border-radius:var(--r);border-bottom-right-radius:6px;white-space:pre-wrap;overflow-wrap:anywhere}
[data-theme=light] .u{background:linear-gradient(180deg,#2a2a2c,#0b0b0b);color:#f5f5f5;box-shadow:none}
.ai{margin:0 0 24px;max-width:min(92%,980px)}
.ai p{margin:0 0 12px;white-space:pre-wrap;overflow-wrap:anywhere}
.ai p:last-child{margin-bottom:0}
.acts{display:flex;gap:14px;margin-top:8px}
.acts button{padding:6px 0;min-height:32px;color:var(--ink2);font-size:12px}
.acts button:hover{color:var(--ink);text-decoration:underline}
.cursor{display:inline-block;width:8px;height:16px;background:var(--ink2);vertical-align:-2px;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
@keyframes rise{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

.empty{padding:16vh 0 0;text-align:center;color:var(--ink2)}
.empty .mark{margin-bottom:14px;opacity:.9}
.empty h1{font-size:18px;font-weight:600;letter-spacing:-.03em;color:var(--ink)}
.sponsor{max-width:560px;margin:34px auto 0;text-align:left}
.sponsor .tag{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink2);display:flex;justify-content:space-between;margin-bottom:6px;font-weight:600}
.sponsor .tag a{color:var(--ink2);text-decoration:underline;font-weight:400;text-transform:none;letter-spacing:0}
.sponsor .slot{background:var(--panel);border:1px solid var(--line);border-radius:16px;box-shadow:inset 0 1px 0 var(--hi);padding:16px;min-height:64px}
.sponsor .ph{color:var(--ink2);font-size:13px}

.composer{position:fixed;left:50%;transform:translateX(-50%);bottom:12px;width:min(716px,calc(100% - 32px));display:flex;align-items:center;gap:8px;background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:6px;box-shadow:inset 0 2px 6px #00000059,0 0 0 5px color-mix(in srgb,var(--ink) 3%,transparent);z-index:15}
.composer input{flex:1;background:transparent;border:0;outline:none;color:var(--ink);font:inherit;font-size:16px;min-height:44px;padding:0 12px;min-width:0}
.composer input::placeholder{color:var(--ink2)}
.send{border-radius:14px;background:linear-gradient(180deg,#fff,#c9c9cd);color:#0a0a0a;box-shadow:inset 0 1px #fff;min-height:44px;min-width:44px;display:grid;place-items:center;font-weight:600;flex:none}
[data-theme=light] .send{background:linear-gradient(180deg,#2a2a2c,#0b0b0b);color:#f5f5f5;box-shadow:none}
.send:disabled{opacity:.4}

/* tool cards */
.tool{background:var(--panel);border:1px solid var(--line);box-shadow:inset 0 1px 0 var(--hi);border-radius:14px;padding:12px 14px;margin:10px 0 2px;max-width:340px}
.tool h4{font-size:13px;font-weight:600;margin-bottom:2px}
.tool .tsub{color:var(--ink2);font-size:11px;margin-bottom:10px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}
.chips button{background:linear-gradient(180deg,color-mix(in srgb,var(--ink) 12%,var(--panel)),var(--panel));border:1px solid var(--line);color:var(--ink);box-shadow:inset 0 1px 0 var(--hi),0 6px 16px -8px #0009;border-radius:14px;font-weight:500;padding:10px 14px;min-height:44px;text-align:left}
.chips button:hover{border-color:color-mix(in srgb,var(--ink) 40%,var(--line))}
.askrow{display:flex;gap:8px}
.askrow input{flex:1;min-width:0;font:inherit;color:var(--ink);background:transparent;border:1px solid var(--line);border-radius:10px;padding:8px 10px}
.askrow button{font-size:12px;color:var(--ink);border:1px solid var(--line);border-radius:10px;padding:6px 12px;background:transparent}
.ttt{display:grid;grid-template-columns:repeat(3,54px);gap:6px;margin:6px 0}
.ttt button{width:54px;height:54px;font-size:22px;font-weight:700;color:var(--ink);background:#ffffff0a;border:1px solid var(--line);border-radius:10px}
[data-theme=light] .ttt button{background:#00000008}
.mem{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin:6px 0}
.mem button{aspect-ratio:1;font-size:22px;background:#ffffff0a;border:1px solid var(--line);border-radius:10px}
[data-theme=light] .mem button{background:#00000008}
.mem button.open,.mem button.done{background:color-mix(in srgb,var(--ink) 15%,transparent)}
.timer-num{font-size:28px;font-weight:700;letter-spacing:.04em;margin:4px 0 8px;font-variant-numeric:tabular-nums}
.chart svg{display:block;max-width:100%}
table.tbl{border-collapse:collapse;width:100%;font-size:12px;margin:6px 0}
table.tbl th,table.tbl td{text-align:left;padding:5px 8px;border-bottom:1px solid var(--line);white-space:nowrap}
table.tbl th{color:var(--ink2);font-weight:600}
.calc-out{font-size:24px;font-weight:600;margin:4px 0}

/* wall */
.wall{border:1px solid var(--line);border-radius:var(--r);padding:22px;margin:14px 0;background:var(--panel);box-shadow:inset 0 1px 0 var(--hi);max-width:460px}
.wall h3{font-size:16px;font-weight:600;margin-bottom:6px}
.wall p{color:var(--ink2);font-size:14px;margin-bottom:14px}

/* earn / shared cards */
.head{padding:40px 8px 24px}
.head h2{font-size:40px;font-weight:650;letter-spacing:-.045em}
.head p{color:var(--ink2);margin-top:6px;max-width:56ch;font-size:18px}
.card{background:var(--panel);border:1px solid var(--line);box-shadow:inset 0 1px 0 var(--hi);border-radius:var(--r);padding:16px;margin-bottom:16px}
.card h3{font-size:16px;font-weight:600;margin-bottom:4px}
.card .sub{color:var(--ink2);font-size:13.5px}
.row{display:flex;align-items:center;justify-content:space-between;gap:14px}
.big-num{font-size:34px;font-weight:600;letter-spacing:-.02em}
.btn{background:linear-gradient(180deg,#fff,#c9c9cd);color:#0a0a0a;box-shadow:inset 0 1px #fff;border-radius:var(--pill);padding:0 20px;min-height:44px;font-weight:600;font-size:14px}
[data-theme=light] .btn{background:linear-gradient(180deg,#2a2a2c,#0b0b0b);color:#f5f5f5;box-shadow:none}
.btn:disabled{opacity:.4}
.btn.ghost{background:var(--panel);color:var(--ink);border:1px solid var(--line);box-shadow:inset 0 1px 0 var(--hi);font-weight:500}
[data-theme=light] .btn.ghost{background:var(--panel)}
.btn.small{padding:0 14px;min-height:36px;font-size:13px}
.dot{width:7px;height:7px;border-radius:99px;background:var(--ok);display:inline-block;margin-right:8px}
.fine{font-size:11px;color:var(--ink2);margin-top:10px}
.muted-pill{font-size:13px;font-weight:600;color:var(--ink2);background:var(--line);border-radius:var(--pill);padding:3px 10px;white-space:nowrap}

/* drawer (chat history) */
.drawer-veil{position:fixed;inset:0;background:#0000008c;opacity:0;pointer-events:none;transition:opacity .18s;z-index:28}
.drawer-veil.on{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;left:0;bottom:0;width:300px;max-width:84vw;background:var(--bg);border-right:1px solid var(--line);z-index:30;transform:translateX(-102%);transition:transform .2s ease;display:flex;flex-direction:column}
.drawer.on{transform:none}
.drawer .dhead{padding:14px 16px;border-bottom:1px solid var(--line)}
.drawer .dhead .btn{width:100%}
.dlist{flex:1;overflow-y:auto;padding:8px}
.ditem{display:flex;align-items:center;gap:6px;padding:9px 10px;border-radius:10px;cursor:pointer;color:var(--ink2);font-size:14px;min-height:40px}
.ditem:hover{background:color-mix(in srgb,var(--ink) 7%,transparent);color:var(--ink)}
.ditem.on{background:color-mix(in srgb,var(--ink) 9%,transparent);color:var(--ink)}
.ditem span{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ditem button{color:var(--ink2);padding:2px 6px;border-radius:6px;visibility:hidden}
.ditem:hover button{visibility:visible}
.ditem button:hover{color:var(--ink)}
.dfoot{padding:12px 16px;border-top:1px solid var(--line);display:flex;gap:8px}
.dfoot .btn{flex:1}
.dempty{padding:22px 16px;color:var(--ink2);font-size:13px}

/* modal */
.veil{position:fixed;inset:0;background:#0000008c;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);display:none;place-items:center;z-index:40;animation:rise .25s ease both}
.veil.on{display:grid}
.modal{background:var(--panel);border:1px solid var(--line);border-radius:24px;padding:32px 28px 24px;width:min(380px,calc(100vw - 40px));box-shadow:inset 0 1px 0 var(--hi),0 24px 64px -16px #0009}
.modal h3{font-size:22px;font-weight:600;letter-spacing:-.02em;margin-bottom:4px}
.modal .sub{color:var(--ink2);font-size:14px;margin-bottom:16px;line-height:1.55}
.modal input{width:100%;background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:12px 14px;color:var(--ink);font:inherit;min-height:44px;margin-bottom:10px;outline:none}
.modal input:focus{border-color:var(--ink2)}
.modal .btn{width:100%;min-height:44px}
.modal .alt{margin-top:12px;text-align:center;color:var(--ink2);font-size:13px}
.modal .alt button{color:var(--ink2);text-decoration:underline}
.err{color:var(--red);font-size:13px;margin-bottom:8px;min-height:1em}
.menu{position:absolute;top:46px;right:0;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:6px;min-width:210px;z-index:50;box-shadow:inset 0 1px 0 var(--hi),0 24px 64px -16px #0009}
.menu button{display:block;width:100%;text-align:left;padding:9px 12px;border-radius:9px;font-size:14px;color:var(--ink2);min-height:40px}
.menu button:hover{background:color-mix(in srgb,var(--ink) 7%,transparent);color:var(--ink)}
.menu .who{padding:8px 12px 10px;border-bottom:1px solid var(--line);margin-bottom:6px;font-size:13px;color:var(--ink2)}
.menu .who b{color:var(--ink)}
.toast{position:fixed;bottom:86px;left:50%;transform:translateX(-50%);background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:10px 16px;font-size:13px;color:var(--ink2);z-index:60;box-shadow:0 24px 64px -16px #0009}

@media (max-width:600px){
  header{padding:8px 14px;gap:8px}
  main{padding:0 14px}
  .brand{font-size:0;gap:0}
  .avatar{width:30px;height:30px;font-size:13px;flex:none}
  .icon-btn{min-width:30px;min-height:30px;flex:none}
  .tabs{padding:3px}
  .tabs button{padding:6px 10px;font-size:12px;min-height:30px}
  .credits{font-size:12px;padding:0 9px;min-height:30px;flex:none}
  .right{gap:5px}
  .head h2{font-size:32px}
  .head p{font-size:16px}
  .u{max-width:92%}
}

/* ---------- motion: subtle, Apple-like; disabled under reduced-motion ---------- */
@keyframes msg-in{from{opacity:0;transform:translateY(8px) scale(.985)}to{opacity:1;transform:none}}
@keyframes pop-in{from{opacity:0;transform:scale(.96) translateY(6px)}to{opacity:1;transform:none}}
@keyframes toast-in{from{opacity:0;transform:translate(-50%,8px)}to{opacity:1;transform:translate(-50%,0)}}

/* messages and cards appear */
.thread .u{animation:msg-in .3s cubic-bezier(.32,.72,.35,1) both}
.thread .ai{animation:msg-in .3s cubic-bezier(.32,.72,.35,1) both}
.thread .tool{animation:msg-in .32s cubic-bezier(.32,.72,.35,1) both}
.thread .wall{animation:msg-in .32s cubic-bezier(.32,.72,.35,1) both}

/* ad fade-in, gentle */
.thread .sponsor{animation:msg-in .45s ease both}

/* streaming reply settles softly instead of popping */
.ai .seg p,.ai .seg pre{transition:opacity .12s ease}

/* press and hover states */
.btn{transition:transform .12s ease,opacity .15s ease,background .15s ease}
.btn:active{transform:scale(.965)}
.btn.ghost:hover{background:var(--panel2,#1a1a1c)}
.icon-btn{transition:color .15s ease,transform .12s ease,background .15s ease}
.icon-btn:active{transform:scale(.92)}
.send{transition:transform .12s ease,opacity .15s ease}
.send:active{transform:scale(.88)}
.chips button{transition:transform .12s ease,background .15s ease}
.chips button:active{transform:scale(.95)}
.acts button{transition:opacity .15s ease,transform .12s ease}
.acts button:active{transform:scale(.94)}

/* drawer: a touch more spring */
.drawer{transition:transform .26s cubic-bezier(.32,.72,.35,1)}
.drawer .row{transition:background .15s ease}

/* composer focus */
.composer{transition:border-color .18s ease,box-shadow .18s ease}
.composer:focus-within{border-color:var(--ink2);box-shadow:0 0 0 3px color-mix(in srgb,var(--ink) 12%,transparent)}

/* modal pop */
.veil .modal{animation:pop-in .28s cubic-bezier(.32,.72,.35,1) both}

/* toast */
.toast{animation:toast-in .22s cubic-bezier(.32,.72,.35,1) both}

/* theme toggle: cross-fade colors on the main surfaces */
body,header,.drawer,.composer,.thread .u,.tool,.sponsor .slot,.modal,.btn.ghost,.icon-btn,.chips button{transition:background-color .22s ease,color .22s ease,border-color .22s ease,transform .12s ease}

/* empty state mark breathes once on load */
.empty .mark{animation:pop-in .4s cubic-bezier(.32,.72,.35,1) both}
.empty h1{animation:msg-in .4s cubic-bezier(.32,.72,.35,1) both}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
}

.btnrow{display:flex;gap:10px}
.btnrow .btn{flex:1}