:root{
    --bg:#f6f6f7; --card:#fff; --ink:#101012; --muted:#71717a; --line:#e4e4e7;
    --brand:#0a0a0a; --primary:#1d9bf0; --ok:#16a34a; --warn:#b45309; --err:#dc2626;
    --radius:14px; --shadow:0 1px 3px rgba(0,0,0,.06),0 1px 2px rgba(0,0,0,.04);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Inter,Arial,sans-serif;
    background:var(--bg);color:var(--ink);font-size:15px;line-height:1.5}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
.muted{color:var(--muted)}
.small{font-size:13px}
.note{margin:.5rem 0 1rem}

/* top bar */
.topbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:1rem;
    background:rgba(255,255,255,.85);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);
    padding:.7rem 1.1rem}
.brand{font-weight:700}
.topbar nav{display:flex;gap:.25rem;flex-wrap:wrap;margin-left:auto}
.topbar nav a{padding:.4rem .7rem;border-radius:9px;color:var(--ink)}
.topbar nav a:hover{background:var(--bg);text-decoration:none}
.topbar nav a.on{background:var(--ink);color:#fff}
.topbar nav a.muted{color:var(--muted)}

/* layout */
.wrap{max-width:820px;margin:1.4rem auto;padding:0 1rem}
.center{min-height:80vh;display:flex;align-items:center;justify-content:center;padding:1rem}
.pagehead{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:1rem;flex-wrap:wrap}
.pagehead h1{font-size:1.5rem;margin:0}
h2{font-size:1.1rem;margin:0 0 .8rem}

/* cards */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
    box-shadow:var(--shadow);padding:1.1rem;margin-bottom:1rem}
.cards{display:flex;flex-direction:column;gap:1rem}

/* item */
.item .src{border-left:3px solid var(--line);padding-left:.9rem;margin-bottom:.9rem}
.item .meta{display:flex;align-items:center;gap:.6rem;flex-wrap:wrap;font-size:13px;margin-bottom:.35rem}
.item .author{font-weight:600}
.item .kw{background:#eef6ff;color:#0369a1;padding:.05rem .45rem;border-radius:6px;font-size:12px}
.item .ext{margin-left:auto}
.post-text{white-space:pre-wrap;word-break:break-word}
.published .published-text{background:#f0fdf4;border:1px solid #bbf7d0;border-radius:10px;padding:.6rem .8rem;white-space:pre-wrap}

.reply .lbl{display:block;font-size:13px;color:var(--muted);margin-bottom:.3rem}
textarea,input[type=text],input[type=password],input[type=number],select{
    width:100%;border:1px solid var(--line);border-radius:10px;padding:.6rem .7rem;
    font:inherit;color:var(--ink);background:#fff;outline:none}
textarea:focus,input:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(29,155,240,.15)}
textarea{resize:vertical}
.reply .row{display:flex;align-items:center;gap:.5rem;margin-top:.5rem;flex-wrap:wrap}
.reply .spacer{flex:1}
.counter{font-size:12px;min-width:3rem}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;
    border:1px solid var(--line);background:#fff;color:var(--ink);
    padding:.5rem .85rem;border-radius:10px;font:inherit;cursor:pointer;white-space:nowrap}
.btn:hover{background:var(--bg)}
.btn.primary{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn.primary:hover{opacity:.9;background:var(--ink)}
.btn.ghost{background:transparent}
.btn.lg{padding:.7rem 1.3rem;font-weight:600}
.btn.danger{color:var(--err);border-color:#fecaca}
.btn[disabled]{opacity:.45;cursor:not-allowed}
.btn.busy{opacity:.6;pointer-events:none}

/* pills / stats */
.stats{display:flex;gap:.5rem;flex-wrap:wrap}
.stats.big{margin-bottom:1.2rem}
.pill{background:#fff;border:1px solid var(--line);border-radius:999px;padding:.3rem .7rem;font-size:13px}
.pill.ok{background:#f0fdf4;border-color:#bbf7d0;color:#166534}

/* flash */
.flash{padding:.7rem .9rem;border-radius:10px;margin:.6rem 0;font-size:14px}
.flash.ok{background:#f0fdf4;border:1px solid #bbf7d0;color:#166534}
.flash.err{background:#fef2f2;border:1px solid #fecaca;color:#991b1b}
.flash.warn{background:#fffbeb;border:1px solid #fde68a;color:#92400e}
.flash.info{background:#eff6ff;border:1px solid #bfdbfe;color:#1e40af}
.flash.small{font-size:13px;padding:.45rem .7rem}

/* empty */
.empty{text-align:center;padding:3rem 1rem;color:var(--muted)}

/* login */
.login-page{background:linear-gradient(160deg,#fafafa,#eef2f7)}
.card.login{width:min(380px,92vw);text-align:center;display:flex;flex-direction:column;gap:.7rem;padding:1.6rem}
.card.login h1{margin:0;font-size:1.4rem}
.card.login input{text-align:center}

/* settings */
.grid,.cols{display:block}
.cols{display:grid;grid-template-columns:repeat(3,1fr);gap:.8rem}
@media(max-width:620px){.cols{grid-template-columns:1fr}}
form label{display:block;font-size:13px;color:var(--muted);margin:.7rem 0 .3rem}
label.check{display:flex;align-items:center;gap:.5rem;color:var(--ink);margin:.5rem 0}
label.check input{width:auto}
details.sub{border:1px solid var(--line);border-radius:10px;padding:.6rem .8rem;margin:.7rem 0}
details.sub summary{cursor:pointer;font-weight:600}
.row{display:flex;gap:.5rem;align-items:center;flex-wrap:wrap;margin-top:.6rem}
.save-bar{position:sticky;bottom:0;background:linear-gradient(transparent,var(--bg) 40%);padding:1rem 0;display:flex;justify-content:flex-end}
.connected{font-size:15px}

/* tables / logs */
.tbl{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.tbl th,.tbl td{padding:.5rem .7rem;text-align:left;border-bottom:1px solid var(--line);font-size:14px}
.tbl th{background:#fafafa;font-weight:600}
.tbl .errcell{color:var(--err);font-weight:600}
.log{background:#0b0b0c;color:#d4d4d8;padding:.9rem;border-radius:10px;overflow:auto;font-size:12.5px;max-height:340px}
pre.copyable{background:#0b0b0c;color:#d4d4d8;padding:.7rem .9rem;border-radius:8px;overflow:auto;font-size:12.5px;white-space:pre-wrap;word-break:break-all}
.hint h3{margin:.2rem 0 .5rem}