:root{
  --bg:#f4f6f9; --card:#fff; --ink:#1f2933; --muted:#7b8794; --line:#e4e7eb;
  --brand:#1d6fa5; --brand-d:#155a86;
  --ok:#0a7d3c; --okbg:#e6f5ec; --err:#b02a2a; --errbg:#fbeaea; --warn:#b06a00;
}
*{box-sizing:border-box}
body{margin:0;font:15px/1.5 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
h1{font-size:22px;margin:0 0 16px}
h2{font-size:16px;margin:0 0 12px}

/* topbar */
.topbar{display:flex;align-items:center;gap:18px;background:var(--brand);color:#fff;padding:10px 20px;flex-wrap:wrap}
.topbar a{color:#fff}
.brand{font-weight:700;font-size:16px}
.topbar nav{display:flex;gap:14px;flex:1}
.topbar nav a{opacity:.85;padding:4px 2px;border-bottom:2px solid transparent}
.topbar nav a.active,.topbar nav a:hover{opacity:1;border-color:#fff;text-decoration:none}
.who{display:flex;align-items:center;gap:12px;font-size:13px}
.who .link,.who button{color:#fff}

.wrap{max-width:1000px;margin:22px auto;padding:0 16px}
.foot{text-align:center;color:var(--muted);font-size:12px;padding:24px}

/* cards + layout */
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:18px;margin-bottom:18px}
.card.narrow{max-width:360px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:700px){.grid2{grid-template-columns:1fr}.topbar nav{order:3;flex-basis:100%}}

/* stat cards */
.cards{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-bottom:18px}
@media(max-width:700px){.cards{grid-template-columns:repeat(2,1fr)}}
.stat{display:flex;flex-direction:column;gap:2px;background:var(--card);border:1px solid var(--line);
  border-radius:10px;padding:14px;color:var(--ink);border-left:4px solid var(--muted)}
.stat:hover{text-decoration:none;box-shadow:0 2px 8px rgba(0,0,0,.06)}
.stat .num{font-size:26px;font-weight:700}
.stat-open{border-left-color:#2d7dd2}.stat-prog{border-left-color:#b06a00}
.stat-done{border-left-color:#0a7d3c}.stat-ver{border-left-color:#5b6b79}.stat-re{border-left-color:#b02a2a}

/* forms */
label{display:block;margin-bottom:12px;font-size:13px;color:var(--muted)}
input,select,textarea{width:100%;padding:9px 10px;border:1px solid var(--line);border-radius:7px;
  font:inherit;color:var(--ink);background:#fff;margin-top:4px}
textarea{resize:vertical}
.row{display:flex;gap:14px;flex-wrap:wrap}
.row>label{flex:1;min-width:160px}
.stack label{margin-bottom:8px}
.chk{display:flex;align-items:center;gap:8px}
.chk input{width:auto;margin:0}

/* buttons */
.btn{display:inline-block;background:#eef1f5;border:1px solid var(--line);color:var(--ink);
  padding:9px 16px;border-radius:7px;cursor:pointer;font:inherit}
.btn:hover{background:#e3e8ee;text-decoration:none}
.btn-primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-d)}
.btn-warn{background:#fff3e0;border-color:#f0c892;color:var(--warn)}
.btn-ghost{background:transparent}
.btn-block{width:100%;margin-top:6px}
.link{background:none;border:none;color:var(--brand);cursor:pointer;padding:0;font:inherit}
form.inline{display:inline}

/* flash */
.flash{padding:10px 14px;border-radius:8px;margin-bottom:14px;font-size:14px}
.flash-ok{background:var(--okbg);color:var(--ok)}
.flash-err{background:var(--errbg);color:var(--err)}

/* tables */
.tbl{width:100%;border-collapse:collapse;font-size:14px}
.tbl th,.tbl td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top}
.tbl th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.03em}
.nowrap{white-space:nowrap}
.muted{color:var(--muted)}

/* badges */
.badge{display:inline-block;padding:2px 8px;border-radius:20px;font-size:11px;font-weight:600;white-space:nowrap}
.b-open{background:#e3eefb;color:#1b5fa8}.b-in_progress{background:#fff0d9;color:#8a5200}
.b-completed{background:#e3f3e9;color:#0a7d3c}.b-verified{background:#eceff1;color:#5b6b79}
.b-reopened{background:#fbe3e3;color:#b02a2a}.b-cat{background:#eef1f5;color:#52606d}
.p-low{background:#eceff1;color:#5b6b79}.p-medium{background:#e3eefb;color:#1b5fa8}
.p-high{background:#fff0d9;color:#8a5200}.p-critical{background:#fbe3e3;color:#b02a2a}

/* lists */
.tasklist{list-style:none;margin:0;padding:0}
.tasklist li{display:flex;align-items:center;gap:8px;padding:7px 0;border-bottom:1px solid var(--line)}
.tasklist li:last-child{border:0}
.tasklist a{flex:1}

/* task view */
.task-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:8px}
.meta{display:grid;grid-template-columns:auto 1fr;gap:4px 16px;font-size:14px;margin:0}
.meta dt{color:var(--muted)}.meta dd{margin:0}
.desc{white-space:pre-wrap}
.status-form{display:flex;gap:8px;margin-bottom:10px;flex-wrap:wrap}
.status-form input[type=text]{flex:1;min-width:140px;margin:0}
.comments{list-style:none;margin:0 0 14px;padding:0}
.comments li{padding:10px 0;border-bottom:1px solid var(--line)}
.c-head{display:flex;gap:10px;align-items:baseline;margin-bottom:3px}
.comment-form textarea{margin-bottom:8px}
/* attachments */
.gallery{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:14px}
.thumb{margin:0;width:140px}
.thumb img{width:140px;height:100px;object-fit:cover;border:1px solid var(--line);border-radius:8px;background:#fafbfc}
.thumb figcaption{display:flex;justify-content:space-between;align-items:center;gap:6px;font-size:11px;margin-top:3px}
.thumb figcaption .muted{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.del{color:var(--err)}
.upload-form{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.upload-form input[type=file]{width:auto;margin:0}
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px;align-items:center}
.filters input,.filters select{width:auto;margin:0}

/* login */
.login-body{display:flex;align-items:center;justify-content:center;min-height:100vh}
.login-card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:30px;width:340px;
  box-shadow:0 6px 24px rgba(0,0,0,.08)}
.login-card h1{margin-bottom:4px}
details summary{cursor:pointer}