:root{
  --brand:#0b5cad; --brand-dark:#083f78; --bg:#f2f4f7; --card:#fff; --ink:#1c2430;
  --muted:#6b7683; --line:#e2e6ec; --ok:#137a3f; --warn:#b25b00; --danger:#b3261e;
  --radius:14px; --tap:46px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:'Segoe UI',Arial,Helvetica,sans-serif;background:var(--bg);color:var(--ink);
  -webkit-text-size-adjust:100%;
}
[hidden]{display:none!important}

/* top bar */
#topbar{
  position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:8px;
  background:var(--brand);color:#fff;padding:calc(env(safe-area-inset-top) + 10px) 12px 10px;
  box-shadow:0 2px 6px rgba(0,0,0,.15);
}
#topbar #title{flex:1;font-weight:600;font-size:1.05rem;text-align:center}
.icon-btn{background:transparent;border:0;color:#fff;font-size:1.5rem;min-width:var(--tap);min-height:var(--tap);cursor:pointer}

/* main */
#app{max-width:680px;margin:0 auto;padding:12px 12px 90px}
.loading{padding:40px;text-align:center;color:var(--muted)}

/* tab bar */
#tabbar{
  position:fixed;inset-inline:0;bottom:0;z-index:20;display:flex;background:var(--card);
  border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom);
}
#tabbar a{
  flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;padding:8px 4px;
  text-decoration:none;color:var(--muted);font-size:.72rem;min-height:var(--tap)
}
#tabbar a span{font-size:1.25rem;line-height:1}
#tabbar a.active{color:var(--brand);font-weight:600}

/* cards */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px;margin-bottom:12px;box-shadow:0 1px 2px rgba(16,24,40,.04)}
.card.tappable{cursor:pointer}
.card .row{display:flex;justify-content:space-between;gap:8px;align-items:baseline}
.ref{font-weight:700;color:var(--brand)}
.ci-title{font-weight:600;margin:2px 0}
.meta{color:var(--muted);font-size:.82rem;margin-top:4px}
.desc{white-space:pre-wrap;line-height:1.5;margin-top:6px}

/* status pill */
.pill{font-size:.72rem;padding:3px 9px;border-radius:999px;white-space:nowrap;font-weight:600}
.st-new,.st-assigned,.st-escalated_ttr,.st-escalated_tto,.st-dispatched,.st-redispatched{background:#e7f0fb;color:var(--brand-dark)}
.st-pending,.st-waiting_for_approval{background:#fdf0dd;color:var(--warn)}
.st-resolved{background:#e5f4ec;color:var(--ok)}
.st-closed,.st-rejected{background:#eceef1;color:var(--muted)}

/* forms */
label{display:block;font-size:.85rem;color:var(--muted);margin:12px 0 4px}
label.req::after{content:' *';color:var(--danger)}
input,textarea,select{
  width:100%;font:inherit;padding:12px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);min-height:var(--tap)
}
textarea{min-height:96px;resize:vertical}
input:focus,textarea:focus,select:focus{outline:2px solid var(--brand);border-color:var(--brand)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;width:100%;min-height:var(--tap);
  border:0;border-radius:10px;background:var(--brand);color:#fff;font-size:1rem;font-weight:600;cursor:pointer;padding:12px}
.btn:active{background:var(--brand-dark)}
.btn.secondary{background:#fff;color:var(--brand);border:1px solid var(--brand)}
.btn.ghost{background:#eef1f5;color:var(--ink)}
.btn:disabled{opacity:.55}
.btn-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.btn-row .btn{flex:1 1 46%}

/* login */
.login-wrap{min-height:70vh;display:flex;flex-direction:column;justify-content:center;gap:6px}
.brandmark{text-align:center;font-size:1.5rem;font-weight:700;color:var(--brand);margin-bottom:8px}
.error{background:#fdecec;color:var(--danger);border:1px solid #f4c7c4;border-radius:10px;padding:10px;margin:8px 0;font-size:.9rem}

/* ext-key picker */
.picker{position:relative}
.picker .results{position:absolute;inset-inline:0;top:calc(var(--tap) + 4px);background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 6px 18px rgba(16,24,40,.12);z-index:5;max-height:220px;overflow:auto}
.picker .results div{padding:11px 12px;border-bottom:1px solid var(--line);cursor:pointer}
.picker .results div:active{background:#eef4fc}
.chosen{display:flex;align-items:center;gap:8px;background:#eef4fc;border:1px solid #cfe0f5;border-radius:10px;padding:10px 12px;min-height:var(--tap)}
.chosen .x{margin-inline-start:auto;cursor:pointer;color:var(--muted);font-size:1.2rem}

/* photos */
.photos{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.photos img{width:76px;height:76px;object-fit:cover;border-radius:10px;border:1px solid var(--line)}
.section-title{font-weight:700;margin:18px 0 6px}
.hint{color:var(--muted);font-size:.8rem;margin-top:4px}

/* toast */
.toast{position:fixed;inset-inline:0;bottom:78px;margin:0 auto;max-width:420px;background:#22303f;color:#fff;
  padding:12px 16px;border-radius:10px;text-align:center;z-index:40;box-shadow:0 6px 20px rgba(0,0,0,.25)}
.toast.err{background:var(--danger)}
.ci-group h3{margin:16px 0 6px;color:var(--muted);font-size:.85rem}