*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,"Segoe UI","PingFang TC","Microsoft JhengHei",sans-serif;background:#f4f6f8;color:#222;line-height:1.5}
a{color:#0a66c2;text-decoration:none}
button{cursor:pointer;font:inherit}

/* ---- login ---- */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0a4d8c,#3f8fd1)}
.login-card{background:#fff;padding:36px 32px;border-radius:12px;width:360px;box-shadow:0 12px 40px rgba(0,0,0,.15)}
.login-card h1{font-size:20px;margin-bottom:6px}
.login-card .sub{color:#888;font-size:13px;margin-bottom:20px}
.login-card input{width:100%;padding:10px 12px;border:1px solid #d0d7de;border-radius:6px;margin-bottom:10px;font-size:14px}
.login-card button{width:100%;padding:10px;background:#0a4d8c;color:#fff;border:none;border-radius:6px;font-size:15px;font-weight:600}
.login-card .err{color:#d33;font-size:13px;margin-bottom:10px}
.login-card .hint{color:#666;font-size:12px;margin-top:14px;text-align:center;line-height:1.7}
.login-card .version-tag{color:#aaa;font-size:11px;margin-top:16px;text-align:center}

/* ---- shell ---- */
.shell{display:grid;grid-template-columns:230px 1fr;min-height:100vh}
.shell.side-hidden{grid-template-columns:0 1fr}
.shell.side-hidden .side{transform:translateX(-100%)}
.side{background:#0d2b45;color:#cfd8dc;padding:16px 0;overflow-y:auto;position:relative}
.side .brand{padding:60px 20px 16px;border-bottom:1px solid #1c3f5c;margin-bottom:12px}
.side .brand h1{font-size:15px;color:#fff}
.side .brand .v{font-size:11px;color:#8aa3b4;margin-top:2px}
.side nav a{display:block;padding:10px 20px;color:#cfd8dc;font-size:13.5px;border-left:3px solid transparent}
.side nav a:hover{background:#173e58;color:#fff}
.side nav a.active{background:#173e58;color:#fff;border-left-color:#4dc3ff}
.side nav .grp{padding:14px 20px 4px;font-size:11px;color:#6f8ea3;text-transform:uppercase;letter-spacing:.05em}
.side nav .badge{display:inline-block;background:#e53935;color:#fff;font-size:11px;padding:1px 6px;border-radius:8px;margin-left:6px}
.side .user{padding:12px 20px 0;font-size:12px;color:#8aa3b4}
.main{padding:24px 32px;overflow:auto}
.side-toggle{position:fixed;top:14px;left:14px;z-index:100;width:40px;height:40px;background:#0a4d8c;color:#fff;border:none;border-radius:6px;font-size:20px;cursor:pointer;box-shadow:0 2px 8px rgba(0,0,0,.2);display:flex;align-items:center;justify-content:center;opacity:.85}
.side-toggle:hover{background:#083961;opacity:1}
.side-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:98;display:none}
.shell.side-open .side-backdrop{display:block}
.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;gap:10px;flex-wrap:wrap}
.topbar h2{font-size:20px}
.topbar .who{color:#666;font-size:13px}
.main{padding-top:24px}
@media (min-width:769px){
  .main{padding-left:32px}
  /* 側欄收合時 main 會頂到最左,蓋住 fixed 的漢堡選單鈕,故此時額外留出頂部空間 */
  .shell.side-hidden .main{padding-top:64px}
}

@media (max-width:768px){
  .shell{grid-template-columns:1fr}
  .side{position:fixed;top:0;left:-240px;bottom:0;width:240px;z-index:99;box-shadow:2px 0 12px rgba(0,0,0,.3);transform:none}
  .shell.side-open .side{left:0}
  .main{padding:60px 16px 24px}
  .form-row{flex-direction:column;gap:4px}
  .form-row label{width:100%;padding-top:0;font-weight:600}
  input,select,textarea,button{font-size:16px !important}
  .topbar h2{font-size:17px}
  .card{padding:14px 12px}
  table{font-size:12px}
  th,td{padding:6px 4px}
  .side-toggle{width:44px;height:44px;font-size:22px}
  .tabs{overflow-x:auto;flex-wrap:nowrap}
}

.btn{display:inline-block;padding:6px 14px;background:#0a4d8c;color:#fff;border:none;border-radius:5px;font-size:13px;font-weight:600}
.btn:hover{background:#083961}
.btn.ghost{background:#fff;color:#0a4d8c;border:1px solid #0a4d8c}
.btn.warn{background:#e0a800}
.btn.danger{background:#d33}
.btn.small{padding:3px 8px;font-size:12px}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn+.btn{margin-left:6px}
.card{background:#fff;border-radius:8px;padding:18px 20px;box-shadow:0 1px 3px rgba(0,0,0,.06);margin-bottom:16px}
.card h3{font-size:15px;margin-bottom:12px;color:#333;border-bottom:1px solid #eee;padding-bottom:8px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media (max-width:900px){.grid2,.grid3{grid-template-columns:1fr}}

/* ---- stat tiles ---- */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-bottom:16px}
.stat{background:#fff;border-radius:8px;padding:14px 16px;box-shadow:0 1px 3px rgba(0,0,0,.06)}
.stat .n{font-size:26px;font-weight:700;color:#0a4d8c}
.stat .l{font-size:12px;color:#777;margin-top:2px}
.stat.warn .n{color:#c77700}
.stat.danger .n{color:#c00}

/* ---- table ---- */
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{padding:9px 10px;border-bottom:1px solid #eee;text-align:left;vertical-align:middle}
th{background:#f7f9fb;font-weight:600;color:#555;font-size:12px}
tr:hover{background:#fafcff}
tr.clickable{cursor:pointer}

/* ---- form ---- */
.form-row{display:flex;gap:12px;margin-bottom:12px;align-items:flex-start}
.form-row label{width:120px;padding-top:7px;color:#555;font-size:13px;flex-shrink:0}
.form-row .input,.form-row input,.form-row select,.form-row textarea{flex:1;padding:6px 10px;border:1px solid #d0d7de;border-radius:5px;font-size:13px;font-family:inherit}
.form-row textarea{min-height:70px;resize:vertical}
.hint-text{color:#888;font-size:12px;margin:-6px 0 12px 132px}

/* ---- chips/badges ---- */
.chip{display:inline-block;padding:2px 9px;border-radius:10px;font-size:11px;font-weight:600;background:#eef;color:#446}
.chip.status-new{background:#eef;color:#446}
.chip.status-triaged{background:#e3ecfb;color:#2255aa}
.chip.status-investigating{background:#fff3d9;color:#a67200}
.chip.status-workaround{background:#ffe9d6;color:#b0530a}
.chip.status-resolved{background:#e6f7e6;color:#1a7a1a}
.chip.status-verified{background:#d9f4e6;color:#0b7a4d}
.chip.status-closed{background:#e4e4e4;color:#555}
.chip.status-reopened{background:#ffe3e3;color:#c00}
.chip.sev-S1{background:#ffdada;color:#a50000}
.chip.sev-S2{background:#ffe6cc;color:#a45800}
.chip.sev-S3{background:#fff6cc;color:#8a7400}
.chip.sev-S4{background:#e4eef7;color:#245e88}
.chip.conf-public_internal{background:#eef;color:#446}
.chip.conf-department{background:#e6f0ff;color:#1a4d99}
.chip.conf-project{background:#f0e6ff;color:#5a2ba6}
.chip.conf-customer_restricted{background:#ffe6f0;color:#a6295a}
.chip.conf-confidential{background:#2a2a2a;color:#fff}
.chip.role{background:#e4eef7;color:#245e88}
.chip.overdue{background:#ffdada;color:#a50000}
.chip.art-draft{background:#eee;color:#666}
.chip.art-tech_review{background:#fff3d9;color:#a67200}
.chip.art-security_review{background:#ffe3d0;color:#b0530a}
.chip.art-published{background:#e6f7e6;color:#1a7a1a}
.chip.art-due_review{background:#fff0c2;color:#8a6d00}
.chip.art-superseded,.chip.art-archived{background:#e4e4e4;color:#555}

/* ---- issue detail ---- */
.tabs{display:flex;gap:2px;margin-bottom:16px;border-bottom:2px solid #e0e6ec;flex-wrap:wrap}
.tabs button{padding:9px 16px;background:none;border:none;font-size:13.5px;color:#666;border-bottom:2px solid transparent;margin-bottom:-2px}
.tabs button.active{color:#0a4d8c;border-bottom-color:#0a4d8c;font-weight:600}
.event{padding:8px 12px;border-left:3px solid #ccd;margin-bottom:8px;font-size:13px;background:#fafcff}
.event .meta{color:#888;font-size:11px;margin-bottom:2px}
.event.kind-created{border-left-color:#0a4d8c}
.event.kind-status_change{border-left-color:#1a7a1a}
.event.kind-comment{border-left-color:#e0a800}
.event.kind-merge{border-left-color:#5a2ba6}
.event.kind-analysis_update{border-left-color:#0aa3a3}
.event.kind-workaround_added,.event.kind-capa_added{border-left-color:#b0530a}
.transition-box{background:#fafcff;border:1px dashed #b8cfe6;border-radius:8px;padding:14px;margin-top:10px}
.transition-box h4{font-size:13px;margin-bottom:8px;color:#0a4d8c}
.kv{display:grid;grid-template-columns:130px 1fr;gap:6px 12px;font-size:13px;margin-bottom:4px}
.kv b{color:#555;font-weight:600}
.list-item{border-bottom:1px solid #eee;padding:10px 0}
.list-item:last-child{border-bottom:none}
.empty{text-align:center;color:#888;padding:40px 0}
.pill-row{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:8px}
.pill{background:#eef;color:#446;padding:2px 8px;border-radius:10px;font-size:11px}
.diff-note{background:#fffbe6;border:1px solid #ffe58f;border-radius:6px;padding:8px 12px;font-size:12px;margin-bottom:10px;color:#8a6d00}
.search-hit{padding:12px;border-bottom:1px solid #eee}
.search-hit .kind{font-size:11px;color:#888;text-transform:uppercase}
.feedback-row{display:flex;gap:8px;align-items:center;margin-top:8px}