:root {
  --bg: #f4f6fa; --surface: #ffffff; --surface2: #f0f3f8; --text: #172033; --muted: #66728a; --border: #dde3ee;
  --primary: #2563eb; --primary-ink: #ffffff; --danger: #c62828; --ok: #2e7d32; --warn: #b26a00;
  --radius: 10px; --shadow: 0 1px 2px rgba(15,23,42,.06), 0 4px 14px rgba(15,23,42,.05);
  --internal-bg: #fff7dd; --internal-bd: #f0d98a;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1522; --surface: #172033; --surface2: #1d2940; --text: #e6ebf5; --muted: #93a0b8; --border: #2a3855;
    --primary: #5b8cff; --primary-ink: #0b1220; --danger: #ff6b6b; --ok: #6fd07a; --warn: #f0b255;
    --shadow: 0 1px 2px rgba(0,0,0,.4); --internal-bg: #3a331a; --internal-bd: #6b5d24;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--primary); text-decoration: none; } a:hover { text-decoration: underline; }
h1 { font-size: 21px; margin: 0 0 4px; line-height: 1.25; } h2 { font-size: 16px; margin: 0 0 10px; } h3 { font-size: 14px; margin: 0 0 8px; }
.boot, .empty { padding: 40px 16px; text-align: center; color: var(--muted); }

/* hlavička */
.top { background: var(--surface); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 5; }
.top-in { max-width: 1180px; margin: 0 auto; padding: 0 16px; display: flex; align-items: center; gap: 18px; min-height: 54px; flex-wrap: wrap; }
.brand { font-weight: 700; font-size: 17px; color: var(--text); display: flex; align-items: center; gap: 9px; }
.brand i { width: 26px; height: 26px; border-radius: 7px; background: var(--primary); display: inline-block; }
.nav { display: flex; gap: 2px; flex-wrap: wrap; flex: 1; }
.nav a { color: var(--muted); padding: 8px 12px; border-radius: 8px; font-weight: 500; }
.nav a:hover { background: var(--surface2); text-decoration: none; } .nav a.on { color: var(--primary); background: var(--surface2); }
.me { display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: 13px; }
.me b { color: var(--text); font-weight: 600; }
main { max-width: 1180px; margin: 0 auto; padding: 20px 16px 60px; }

/* ovládací prvky */
button, .btn { font: inherit; cursor: pointer; border-radius: 8px; border: 1px solid var(--border); background: var(--surface); color: var(--text); padding: 7px 14px; font-weight: 500; display: inline-flex; align-items: center; gap: 6px; }
button:hover { background: var(--surface2); }
button.primary { background: var(--primary); color: var(--primary-ink); border-color: transparent; } button.primary:hover { filter: brightness(1.07); background: var(--primary); }
button.danger { color: var(--danger); } button.sm { padding: 3px 9px; font-size: 13px; } button:disabled { opacity: .55; cursor: default; }
input, select, textarea { font: inherit; color: var(--text); background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; width: 100%; }
input:focus, select:focus, textarea:focus, button:focus-visible { outline: 2px solid var(--primary); outline-offset: 1px; }
textarea { min-height: 110px; resize: vertical; } input[type=checkbox], input[type=radio] { width: auto; }
label { display: block; font-size: 13px; font-weight: 600; margin: 0 0 4px; color: var(--muted); }
.field { margin-bottom: 14px; } .row { display: flex; gap: 12px; flex-wrap: wrap; } .row > * { flex: 1 1 180px; min-width: 0; }
.check { display: flex; align-items: center; gap: 8px; font-weight: 500; color: var(--text); font-size: 14px; margin: 0; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); margin-bottom: 16px; }
.muted { color: var(--muted); } .small { font-size: 12.5px; } .right { text-align: right; } .err { color: var(--danger); }

/* přihlášení */
.login { max-width: 380px; margin: 9vh auto; } .login h1 { text-align: center; margin-bottom: 18px; }

/* seznam */
.bar { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip { padding: 6px 13px; border-radius: 999px; border: 1px solid var(--border); background: var(--surface); color: var(--text); cursor: pointer; font-size: 14px; }
.chip.on { background: var(--primary); color: var(--primary-ink); border-color: transparent; } .chip em { font-style: normal; opacity: .7; margin-left: 5px; font-size: 12px; }
.filters { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 14px; } .filters > * { flex: 1 1 150px; min-width: 0; } .filters .grow { flex: 2 1 220px; }
.tablewrap { overflow-x: auto; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
table { width: 100%; border-collapse: collapse; } th { text-align: left; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); padding: 10px 12px; border-bottom: 1px solid var(--border); white-space: nowrap; }
td { padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: top; } tr:last-child td { border-bottom: 0; }
tr.click { cursor: pointer; } tr.click:hover td { background: var(--surface2); }
.num { font-variant-numeric: tabular-nums; white-space: nowrap; font-weight: 600; } td .sub { color: var(--muted); font-size: 12.5px; }

/* štítky */
.badge { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 12px; font-weight: 600; white-space: nowrap; background: var(--surface2); color: var(--muted); border: 1px solid var(--border); }
.st-novy { background: #e8f0ff; color: #1d4ed8; border-color: #c7d8fb; } .st-zpracovava_se { background: #fff4d6; color: #8a5a00; border-color: #f1dc9b; }
.st-ceka_na_zakaznika { background: #fde8f3; color: #a3195b; border-color: #f4bfdc; } .st-ceka_na_dily { background: #efe9fd; color: #5b32b4; border-color: #d4c7f6; }
.st-vyreseno { background: #e3f5e6; color: #1f6b2c; border-color: #b9e0c0; } .st-uzavreno { background: var(--surface2); color: var(--muted); }
.pr-kriticka { background: #fde4e4; color: #b71c1c; border-color: #f5b7b7; } .pr-vysoka { background: #ffeadb; color: #b5510a; border-color: #f7ccaa; }
.pr-nizka { color: var(--muted); }
@media (prefers-color-scheme: dark) {
  .st-novy { background: #1c2c55; color: #9db9ff; border-color: #2d4380; } .st-zpracovava_se { background: #43371a; color: #f0c870; border-color: #6b5724; }
  .st-ceka_na_zakaznika { background: #47203a; color: #f2a3cd; border-color: #6c3558; } .st-ceka_na_dily { background: #2e2750; color: #bba7f5; border-color: #473d7c; }
  .st-vyreseno { background: #1b3a22; color: #86d492; border-color: #2c5b36; } .pr-kriticka { background: #4a1f1f; color: #ff9a9a; border-color: #773030; } .pr-vysoka { background: #48301c; color: #f5b07a; border-color: #744a28; }
}

/* detail */
.cols { display: grid; grid-template-columns: minmax(0, 1fr) 330px; gap: 18px; align-items: start; }
@media (max-width: 880px) { .cols { grid-template-columns: 1fr; } .me .who { display: none; } }
.back { font-size: 13px; display: inline-block; margin-bottom: 8px; }
.thread { display: flex; flex-direction: column; gap: 12px; margin-bottom: 16px; }
.msg { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px 14px; box-shadow: var(--shadow); }
.msg.staff { border-left: 3px solid var(--primary); } .msg.internal { background: var(--internal-bg); border-color: var(--internal-bd); }
.msg-h { display: flex; justify-content: space-between; gap: 10px; font-size: 13px; margin-bottom: 6px; flex-wrap: wrap; } .msg-h b { font-weight: 600; }
.body { white-space: pre-wrap; overflow-wrap: anywhere; }
.sys { text-align: center; color: var(--muted); font-size: 12.5px; } .tag { font-size: 11px; font-weight: 700; padding: 1px 7px; border-radius: 6px; background: var(--surface2); color: var(--muted); margin-left: 6px; text-transform: uppercase; letter-spacing: .03em; }
.tag.int { background: var(--internal-bd); color: #3d3200; }
.atts { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 10px; } .att { border: 1px solid var(--border); border-radius: 8px; padding: 6px 10px; font-size: 13px; background: var(--surface2); display: inline-flex; gap: 6px; }
.att.img { padding: 4px; flex-direction: column; } .att.img img { max-height: 130px; max-width: 220px; border-radius: 5px; display: block; }
.dl { display: grid; grid-template-columns: 110px 1fr; gap: 6px 10px; font-size: 14px; margin: 0; } .dl dt { color: var(--muted); } .dl dd { margin: 0; overflow-wrap: anywhere; }
.radios { display: grid; gap: 8px; } .radio { display: flex; gap: 10px; align-items: flex-start; border: 1px solid var(--border); border-radius: 8px; padding: 9px 12px; cursor: pointer; font-weight: 500; font-size: 14px; color: var(--text); margin: 0; }
.radio:has(input:checked) { border-color: var(--primary); background: var(--surface2); }
.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; } .seg label { margin: 0; padding: 5px 12px; cursor: pointer; font-size: 13px; color: var(--text); border-right: 1px solid var(--border); }
.seg label:last-child { border-right: 0; } .seg label:has(input:checked) { background: var(--primary); color: var(--primary-ink); } .seg input { display: none; }
.total { font-weight: 700; padding-top: 8px; font-size: 14px; } .warn { color: var(--warn); font-weight: 600; }
.mini td, .mini th { padding: 6px 8px; font-size: 13px; }
#toast { position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%); z-index: 20; pointer-events: none; }
#toast div { background: #172033; color: #fff; padding: 10px 18px; border-radius: 10px; margin-top: 8px; box-shadow: 0 6px 20px rgba(0,0,0,.3); font-size: 14px; } #toast div.bad { background: var(--danger); }
.hide-sm { } @media (max-width: 720px) { .hide-sm { display: none; } main { padding: 14px 12px 50px; } }