/* Stylesheet for chat.memojar.net (login and chat pages).
   Palette follows memojar.net: neutral greys with a champagne accent.
   Dark is the default; common.js puts "light", "dark" or "auto" on <html>. */

/* ---------- Palette ---------- */
:root{
  --bg:#0a0a0b; --side:#0e0e10; --panel:#141416; --panel2:#1a1a1d; --input:#0e0e10;
  --line:rgba(255,255,255,.07); --line2:rgba(255,255,255,.13);
  --fg:#f5f5f7; --fg2:#d1d1d6; --muted:#8e8e93;
  --accent:#e8d5b7; --accent-fg:#1c1710; --accent-soft:rgba(232,213,183,.13);
  --bubble:#1d1d20; --code:#111113; --danger:#ff8a80;
  --hover:rgba(255,255,255,.045); --active:rgba(255,255,255,.08);
  --shadow:0 16px 48px rgba(0,0,0,.5);
}
html.light{
  --bg:#f8f8fa; --side:#f2f2f5; --panel:#ffffff; --panel2:#f0f0f2; --input:#f8f8fa;
  --line:rgba(0,0,0,.08); --line2:rgba(0,0,0,.14);
  --fg:#1a1a1b; --fg2:#3a3a3c; --muted:#6e6e73;
  --accent:#8b7355; --accent-fg:#ffffff; --accent-soft:rgba(139,115,85,.12);
  --bubble:#ececf0; --code:#f3f3f6; --danger:#c62828;
  --hover:rgba(0,0,0,.04); --active:rgba(0,0,0,.07);
  --shadow:0 12px 36px rgba(20,20,30,.12);
}
@media (prefers-color-scheme: light){
  html.auto{
    --bg:#f8f8fa; --side:#f2f2f5; --panel:#ffffff; --panel2:#f0f0f2; --input:#f8f8fa;
    --line:rgba(0,0,0,.08); --line2:rgba(0,0,0,.14);
    --fg:#1a1a1b; --fg2:#3a3a3c; --muted:#6e6e73;
    --accent:#8b7355; --accent-fg:#ffffff; --accent-soft:rgba(139,115,85,.12);
    --bubble:#ececf0; --code:#f3f3f6; --danger:#c62828;
    --hover:rgba(0,0,0,.04); --active:rgba(0,0,0,.07);
    --shadow:0 12px 36px rgba(20,20,30,.12);
  }
}

/* ---------- Base ---------- */
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;color:var(--fg);background:var(--bg);
  font:15px/1.5 -apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI","PingFang SC","Hiragino Sans GB",sans-serif;
  -webkit-font-smoothing:antialiased;display:flex;height:100vh;height:100dvh}
svg{display:block}
button{font-family:inherit}

/* ---------- Buttons and dropdowns (both pages) ---------- */
.btn{display:flex;align-items:center;gap:6px;font-size:13px;padding:7px 10px;border:1px solid transparent;
  background:transparent;color:var(--fg2);border-radius:9px;cursor:pointer;white-space:nowrap;font-weight:500;
  transition:background .15s,color .15s}
.btn:hover{background:var(--hover);color:var(--fg)}
.btn svg{width:16px;height:16px;flex:0 0 auto}
.iconbtn{padding:0;width:34px;height:34px;justify-content:center}

.dd{position:relative}
.dd-btn{border-color:var(--line2)}
.dd-btn .chev{width:14px;height:14px;color:var(--muted);transition:transform .2s}
.dd.open .dd-btn .chev{transform:rotate(180deg)}
.dd-menu{position:absolute;top:calc(100% + 6px);right:0;min-width:260px;background:var(--panel);
  border:1px solid var(--line2);border-radius:12px;padding:6px;box-shadow:var(--shadow);
  opacity:0;visibility:hidden;transform:translateY(-4px);transition:opacity .15s,transform .15s,visibility .15s;z-index:30}
.dd.open .dd-menu{opacity:1;visibility:visible;transform:none}
#effortMenu{min-width:220px}
#themeMenu{min-width:160px}
.dd-item{display:flex;align-items:center;gap:10px;width:100%;padding:9px 10px;background:transparent;border:0;
  border-radius:8px;color:var(--fg);font-size:14px;cursor:pointer;text-align:left;transition:background .12s}
.dd-item:hover{background:var(--hover)}
.dd-item .meta{display:flex;flex-direction:column;gap:1px;flex:1;min-width:0}
.dd-item .name{font-weight:500}
.dd-item .sub{font-size:12px;color:var(--muted)}
.dd-item svg{width:16px;height:16px;color:var(--muted)}
.dd-item .check{color:var(--accent);opacity:0;flex:0 0 auto}
.dd-item.sel .check{opacity:1}

/* ---------- Login page ---------- */
.page-login{align-items:center;justify-content:center}
.page-login .dd{position:fixed;top:16px;right:16px}
.login-card{background:var(--panel);padding:36px 32px 32px;border-radius:18px;border:1px solid var(--line);
  display:flex;flex-direction:column;gap:12px;width:340px;max-width:calc(100vw - 32px)}
.login-card .logo{display:flex;flex-direction:column;align-items:center;gap:10px;margin-bottom:6px;text-align:center}
.login-card .mark{font-size:26px;color:var(--accent);line-height:1}
.login-card h1{margin:0;font:400 26px/1.2 ui-serif,"New York",Georgia,serif;letter-spacing:-.01em}
.login-card p{margin:0 0 4px;color:var(--muted);font-size:13.5px;text-align:center}
.login-card input{padding:12px 14px;border:1px solid var(--line2);border-radius:11px;font:inherit;font-size:16px;
  background:var(--input);color:var(--fg);outline:none;transition:border-color .15s,box-shadow .15s}
.login-card input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.login-card button[type=submit]{margin-top:4px;padding:12px;border:0;border-radius:11px;background:var(--accent);
  color:var(--accent-fg);font:inherit;font-size:15px;font-weight:600;cursor:pointer;transition:opacity .15s}
.login-card button[type=submit]:hover{opacity:.9}
.login-card .err{color:var(--danger);font-size:13px;text-align:center}

/* ---------- Chat page: sidebar ---------- */
.page-chat{overflow:hidden}
aside{width:268px;flex:0 0 auto;background:var(--side);border-right:1px solid var(--line);
  display:flex;flex-direction:column;transition:margin-left .22s ease}
aside.hidden{margin-left:-268px;box-shadow:none}
.side-top{padding:16px 12px 6px;display:flex;flex-direction:column;gap:14px}
.side-brand{display:flex;align-items:center;gap:9px;padding:2px 6px;font-weight:600;font-size:15px;letter-spacing:-.01em}
.side-brand .mark{color:var(--accent)}
.newbtn{display:flex;align-items:center;gap:9px;padding:9px 11px;border:1px solid var(--line2);border-radius:10px;
  background:transparent;color:var(--fg);cursor:pointer;font-size:14px;font-weight:500;transition:background .15s}
.newbtn:hover{background:var(--hover)}
.newbtn svg{width:16px;height:16px;flex:0 0 auto;color:var(--muted)}
.side-label{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);padding:14px 18px 6px}
.convlist{flex:1;overflow-y:auto;padding:0 8px 8px}
.conv{display:flex;align-items:center;gap:4px;padding:8px 10px;border-radius:8px;
  cursor:pointer;color:var(--fg2);font-size:14px;margin-bottom:1px;transition:background .15s}
.conv:hover{background:var(--hover)}
.conv.active{background:var(--active);color:var(--fg)}
.conv .cmain{flex:1;min-width:0;display:flex;flex-direction:column;gap:1px}
.conv .title{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.conv .time{font-size:11px;color:var(--muted)}
.conv .act{opacity:0;border:0;background:transparent;color:var(--muted);
  cursor:pointer;padding:4px;border-radius:6px;display:flex;transition:opacity .15s,background .15s}
.conv:hover .act{opacity:1}
.conv .act:hover{color:var(--fg);background:var(--hover)}
.conv .act svg{width:14px;height:14px}
.side-user{padding:12px 16px;border-top:1px solid var(--line);color:var(--muted);
  font-size:13px;display:flex;align-items:center;gap:9px}
.side-user .uava{width:24px;height:24px;border-radius:50%;background:var(--accent-soft);color:var(--accent);
  display:flex;align-items:center;justify-content:center;font-size:11px;text-transform:uppercase;font-weight:600}

/* ---------- Chat page: header ---------- */
main{flex:1;display:flex;flex-direction:column;min-width:0}
header{display:flex;align-items:center;gap:6px;padding:10px 14px;min-height:56px;
  border-bottom:1px solid var(--line);background:var(--bg);position:relative;z-index:10}
.brand{flex:1;min-width:0;padding-left:4px}
header h1{font-size:14px;font-weight:500;margin:0;color:var(--fg2);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- Chat page: messages ---------- */
#chat{flex:1;overflow-y:auto;padding:28px 18px 12px;scroll-behavior:smooth}
.wrap{width:100%;max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:24px;min-height:100%}
.row{display:flex}
.row.user{justify-content:flex-end}
.row.bot{flex-direction:column}
.msg{font-size:15px;line-height:1.65;overflow-wrap:anywhere}
.user .msg{max-width:78%;background:var(--bubble);padding:9px 15px;border-radius:18px;white-space:pre-wrap}
.bot .msg.error{color:var(--danger)}
.actions{display:flex;gap:2px;margin-top:6px;margin-left:-6px;opacity:0;transition:opacity .15s}
.row.bot:hover .actions{opacity:1}
@media (hover:none){.actions{opacity:1}}
.act-btn{display:flex;align-items:center;gap:5px;border:0;background:transparent;color:var(--muted);
  font-size:12px;padding:4px 6px;border-radius:6px;cursor:pointer}
.act-btn:hover{background:var(--hover);color:var(--fg)}
.act-btn svg{width:14px;height:14px}
.dots{display:inline-flex;gap:5px;padding:8px 0}
.dots i{width:6px;height:6px;border-radius:50%;background:var(--muted);display:inline-block;animation:bounce 1.2s infinite}
.dots i:nth-child(2){animation-delay:.15s}.dots i:nth-child(3){animation-delay:.3s}
@keyframes bounce{0%,80%,100%{opacity:.3;transform:translateY(0)}40%{opacity:1;transform:translateY(-3px)}}

/* ---------- Chat page: rendered Markdown (assistant replies) ---------- */
.md>*:first-child{margin-top:0}.md>*:last-child{margin-bottom:0}
.md p{margin:0 0 .85em}
.md h2,.md h3,.md h4{margin:1.3em 0 .5em;line-height:1.3;font-weight:600;letter-spacing:-.01em}
.md h2{font-size:1.22em}.md h3{font-size:1.08em}.md h4{font-size:1em}
.md ul,.md ol{margin:0 0 .85em;padding-left:1.4em}
.md li{margin:.25em 0}
.md li::marker{color:var(--muted)}
.md strong{font-weight:600}
.md a{color:var(--accent);text-decoration:underline;text-underline-offset:2px}
.md code{font:13px/1.5 ui-monospace,"SF Mono",Menlo,Consolas,monospace;background:var(--code);
  border:1px solid var(--line);padding:.1em .38em;border-radius:5px}
.md pre{background:var(--code);border:1px solid var(--line);border-radius:10px;padding:12px 14px;
  overflow-x:auto;margin:0 0 .9em}
.md pre code{background:none;border:0;padding:0;white-space:pre}
.md blockquote{margin:0 0 .85em;padding:1px 0 1px 14px;border-left:3px solid var(--accent);color:var(--fg2)}
.md hr{border:0;border-top:1px solid var(--line2);margin:1.3em 0}
.md table{border-collapse:collapse;margin:0 0 .9em;font-size:14px;display:block;overflow-x:auto;max-width:100%}
.md th,.md td{border:1px solid var(--line2);padding:6px 10px;text-align:left;vertical-align:top}
.md th{background:var(--panel2);font-weight:600}

/* ---------- Chat page: empty state ---------- */
.empty{margin:auto;text-align:center;padding:40px 20px 90px}
.empty .glyph{font-size:28px;color:var(--accent);margin-bottom:14px}
.empty h2{margin:0 0 8px;font:400 30px/1.2 ui-serif,"New York",Georgia,"Songti SC",serif;letter-spacing:-.01em}
.empty p{margin:0;color:var(--muted);font-size:14px}

/* ---------- Chat page: composer ---------- */
footer{padding:8px 16px calc(12px + env(safe-area-inset-bottom));background:var(--bg)}
.composer{width:100%;max-width:760px;margin:0 auto;display:flex;align-items:flex-end;gap:8px;
  background:var(--panel);border:1px solid var(--line2);border-radius:22px;padding:6px 6px 6px 16px;
  transition:border-color .15s,box-shadow .15s}
.composer:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
#input{flex:1;border:0;outline:none;background:transparent;color:var(--fg);font:inherit;font-size:15px;
  line-height:1.5;resize:none;max-height:200px;padding:7px 0}
#input::placeholder{color:var(--muted)}
#send{flex:0 0 auto;width:36px;height:36px;border:0;border-radius:50%;background:var(--accent);color:var(--accent-fg);
  display:flex;align-items:center;justify-content:center;cursor:pointer;transition:opacity .15s,transform .1s}
#send svg{width:18px;height:18px}
#send:disabled{opacity:.3;cursor:default}
#send:not(:disabled):active{transform:scale(.94)}
.hint{max-width:760px;margin:7px auto 0;color:var(--muted);font-size:11.5px;text-align:center}

/* ---------- Chat page: phones ---------- */
@media (max-width:720px){
  aside{position:fixed;z-index:40;height:100%;box-shadow:var(--shadow)}
  header{gap:4px;padding:10px}
  .brand h1{display:none}
  .page-chat .btn{padding:7px 8px}
  .page-chat .iconbtn{padding:0}
  .dd-btn{min-width:0}
  .dd-btn .lbl{max-width:80px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  #logout .lbl{display:none}
  /* Menus span the screen width instead of overflowing off the left edge. */
  .page-chat .dd-menu{position:fixed;top:58px;left:10px;right:10px;min-width:0}
  #chat{padding:20px 14px 8px}
  .user .msg{max-width:86%}
  .hint{display:none}
}