/* Stavební deník – design systém. Jediný vzhled (světlý), mobile-first. */
:root{
  --ink:#1b2430;--muted:#5f6b7a;--line:#e1e6ec;--line-strong:#c9d1da;
  --bg:#f3f5f8;--surface:#fff;--surface-2:#f8fafc;
  --primary:#1f5f8b;--primary-dark:#174a6d;--primary-soft:#e6f0f7;
  --accent:#e8862a;--accent-dark:#c96f1a;--accent-soft:#fdf0e3;
  --ok:#2e8b57;--ok-soft:#e6f4ec;--warn:#c98a00;--warn-soft:#fff6db;--danger:#c0392b;--danger-soft:#fbe9e7;
  --radius:10px;--radius-sm:6px;--shadow:0 1px 2px rgba(16,24,40,.06),0 1px 3px rgba(16,24,40,.08);
  --sidebar:248px;--font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font:15px/1.5 var(--font);color:var(--ink);background:var(--bg);min-height:100vh}
a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}
h1,h2,h3{margin:0 0 .5rem;line-height:1.25}
.h1{font-size:1.5rem;font-weight:700}.h2{font-size:1.15rem;font-weight:650}.h3{font-size:1rem;font-weight:650}
p{margin:0 0 .75rem}
.muted{color:var(--muted)}.small{font-size:.85rem}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.8rem}
.hidden{display:none!important}
.inline{display:inline}
.right{text-align:right}.center{text-align:center}
.nowrap{white-space:nowrap}
.mt{margin-top:1rem}.mb{margin-bottom:1rem}.mt-2{margin-top:2rem}
.row{display:flex;gap:.75rem;align-items:center;flex-wrap:wrap}
.row.between{justify-content:space-between}
.grow{flex:1}

/* ---------- layout ---------- */
.shell{display:flex;min-height:100vh}
.sidebar{position:fixed;inset:0 auto 0 0;width:var(--sidebar);background:#fff;border-right:1px solid var(--line);display:flex;flex-direction:column;z-index:40;transform:translateX(-100%);transition:transform .2s}
.sidebar.open{transform:none}
.backdrop{position:fixed;inset:0;background:rgba(16,24,40,.45);z-index:35;display:none}
.sidebar.open ~ .backdrop{display:block}
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.content{padding:1rem;max-width:1140px;width:100%;margin:0 auto;flex:1;padding-bottom:5rem}
.topbar{display:flex;align-items:center;gap:.75rem;padding:.6rem 1rem;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}
.topbar-title{font-weight:650;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.plain-top{justify-content:space-between}
.net{background:var(--warn-soft);color:#7a5300;font-size:.8rem;padding:.2rem .6rem;border-radius:99px;font-weight:600}
.icon-btn{background:none;border:0;font-size:1.25rem;padding:.25rem .5rem;cursor:pointer;color:var(--ink);border-radius:var(--radius-sm)}
.icon-btn:hover{background:var(--surface-2)}
.brand{display:flex;align-items:center;justify-content:space-between;padding:1rem;border-bottom:1px solid var(--line)}
.brand-link{display:flex;align-items:center;gap:.6rem;color:var(--ink);min-width:0}
.brand-link:hover{text-decoration:none}
.brand-mark{width:38px;height:38px;border-radius:9px;background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:700;flex:none}
.brand-logo{width:38px;height:38px;object-fit:contain;border-radius:6px;flex:none}
.brand-text{display:flex;flex-direction:column;min-width:0}
.brand-text strong{font-size:.9rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-text small{color:var(--muted);font-size:.75rem}
.nav{display:flex;flex-direction:column;padding:.75rem;gap:2px}
.nav a{display:flex;align-items:center;gap:.7rem;padding:.6rem .75rem;border-radius:var(--radius-sm);color:var(--ink);font-weight:500}
.nav a:hover{background:var(--surface-2);text-decoration:none}
.nav a.active{background:var(--primary-soft);color:var(--primary-dark);font-weight:650}
.nav .ico,.tabbar .ico{width:1.4em;text-align:center;opacity:.8}
.nav-sep{height:1px;background:var(--line);margin:.5rem .25rem}
.sidebar-foot{margin-top:auto;padding:1rem;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:.6rem}
.me{display:flex;gap:.6rem;align-items:center;min-width:0}
.me-text{display:flex;flex-direction:column;min-width:0}
.me-text strong{font-size:.9rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.me-text small{color:var(--muted);font-size:.75rem}
.avatar{width:34px;height:34px;border-radius:50%;background:var(--accent-soft);color:var(--accent-dark);display:grid;place-items:center;font-weight:700;font-size:.85rem;flex:none}
.tabbar{position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--line);display:flex;z-index:30;padding-bottom:env(safe-area-inset-bottom)}
.tabbar a{flex:1;display:flex;flex-direction:column;align-items:center;padding:.45rem 0 .35rem;font-size:.7rem;color:var(--muted);gap:1px}
.tabbar a .ico{font-size:1.2rem}
.tabbar a.active{color:var(--primary-dark);font-weight:650}
.plain{min-height:100vh;display:flex;flex-direction:column}
@media(min-width:900px){
  .sidebar{transform:none;position:sticky;top:0;height:100vh}
  .backdrop{display:none!important}
  .nav-close,[data-nav-open]{display:none}
  .tabbar{display:none}
  .content{padding:1.5rem 2rem;padding-bottom:2rem}
}

/* ---------- komponenty ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1rem;box-shadow:var(--shadow)}
.card+.card{margin-top:1rem}
.card-head{display:flex;justify-content:space-between;align-items:center;gap:.75rem;margin-bottom:.75rem;flex-wrap:wrap}
.card-head h2,.card-head h3{margin:0}
.grid{display:grid;gap:1rem}
.grid-2{grid-template-columns:1fr}.grid-3{grid-template-columns:1fr}
@media(min-width:720px){.grid-2{grid-template-columns:1fr 1fr}.grid-3{grid-template-columns:repeat(3,1fr)}}
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:.75rem}
@media(min-width:720px){.stats{grid-template-columns:repeat(4,1fr)}}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:.85rem 1rem}
.stat b{display:block;font-size:1.6rem;font-weight:700;line-height:1.1}
.stat span{color:var(--muted);font-size:.85rem}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;padding:.55rem 1rem;border-radius:var(--radius-sm);border:1px solid var(--line-strong);background:#fff;color:var(--ink);font:inherit;font-weight:600;cursor:pointer;line-height:1.2;white-space:nowrap}
.btn:hover{background:var(--surface-2);text-decoration:none}
.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}
.btn-accent{background:var(--accent);border-color:var(--accent);color:#fff}.btn-accent:hover{background:var(--accent-dark)}
.btn-danger{background:#fff;border-color:var(--danger);color:var(--danger)}.btn-danger:hover{background:var(--danger-soft)}
.btn-ghost{background:transparent;border-color:transparent;color:var(--primary)}.btn-ghost:hover{background:var(--primary-soft)}
.btn-sm{padding:.35rem .7rem;font-size:.85rem}.btn-lg{padding:.8rem 1.4rem;font-size:1.05rem}
.btn-block{width:100%}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.link{background:none;border:0;padding:0;color:var(--primary);cursor:pointer;font:inherit}
.link.danger{color:var(--danger)}
.badge{display:inline-block;padding:.15rem .55rem;border-radius:99px;font-size:.75rem;font-weight:650;background:var(--surface-2);color:var(--muted);border:1px solid var(--line);vertical-align:middle}
.badge-sm{font-size:.68rem;padding:.1rem .45rem}
.badge-probiha,.badge-ok,.badge-uzamcen{background:var(--ok-soft);color:#1f6a40;border-color:transparent}
.badge-priprava{background:var(--primary-soft);color:var(--primary-dark);border-color:transparent}
.badge-pozastavena,.badge-warn,.badge-koncept{background:var(--warn-soft);color:#7a5300;border-color:transparent}
.badge-dokoncena{background:#e9ecf1;color:#4a5563;border-color:transparent}
.badge-danger{background:var(--danger-soft);color:var(--danger);border-color:transparent}
.badge-accent{background:var(--accent-soft);color:var(--accent-dark);border-color:transparent}

.field{display:flex;flex-direction:column;gap:.3rem;margin-bottom:.85rem}
.field-label{font-weight:600;font-size:.88rem}
.field-label em{color:var(--danger);font-style:normal}
.field-help{color:var(--muted);font-size:.8rem}
input[type=text],input[type=email],input[type=password],input[type=date],input[type=time],input[type=number],input[type=tel],input[type=url],input[type=search],select,textarea{
  width:100%;padding:.6rem .7rem;border:1px solid var(--line-strong);border-radius:var(--radius-sm);font:inherit;background:#fff;color:var(--ink);min-height:42px}
textarea{min-height:96px;resize:vertical;line-height:1.45}
input:focus,select:focus,textarea:focus{outline:2px solid var(--primary);outline-offset:0;border-color:var(--primary)}
input[type=checkbox],input[type=radio]{width:18px;height:18px;accent-color:var(--primary)}
.check{display:flex;align-items:center;gap:.5rem;font-weight:500;cursor:pointer;margin-bottom:.75rem}
.form-actions{display:flex;gap:.6rem;flex-wrap:wrap;margin-top:1rem;position:sticky;bottom:calc(3.6rem + env(safe-area-inset-bottom));background:linear-gradient(to top,var(--bg) 70%,transparent);padding:.75rem 0 .25rem;z-index:5}
@media(min-width:900px){.form-actions{bottom:0}}
fieldset{border:0;padding:0;margin:0 0 1rem}
legend{font-weight:650;font-size:1rem;padding:0;margin-bottom:.5rem}

.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
table.table{width:100%;border-collapse:collapse;font-size:.92rem}
.table th,.table td{padding:.55rem .6rem;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.table th{font-size:.78rem;text-transform:uppercase;letter-spacing:.03em;color:var(--muted);font-weight:650;background:var(--surface-2)}
.table tr:last-child td{border-bottom:0}
.table td.num,.table th.num{text-align:right;font-variant-numeric:tabular-nums}
.table tr:hover td{background:#fafbfc}
.table .row-actions{white-space:nowrap}
.table-compact th,.table-compact td{padding:.35rem .4rem}

.list{list-style:none;margin:0;padding:0}
.list li{padding:.7rem 0;border-bottom:1px solid var(--line);display:flex;gap:.75rem;align-items:center}
.list li:last-child{border-bottom:0}
.list .grow{min-width:0}
.list a.block{display:block;color:inherit}
.list a.block:hover{text-decoration:none}

.flashes{margin-bottom:1rem;display:flex;flex-direction:column;gap:.5rem}
.flash{padding:.7rem .9rem;border-radius:var(--radius-sm);border:1px solid;display:flex;justify-content:space-between;gap:1rem;font-weight:500}
.flash-success{background:var(--ok-soft);border-color:#bfe3cd;color:#1f6a40}
.flash-error{background:var(--danger-soft);border-color:#f1c0ba;color:#8f2a1f}
.flash-info{background:var(--primary-soft);border-color:#c5dbe9;color:var(--primary-dark)}
.flash-x{background:none;border:0;cursor:pointer;color:inherit;opacity:.6;font-size:1rem}

.empty{text-align:center;padding:3rem 1rem;color:var(--muted)}
.empty-ico{font-size:2.4rem;margin-bottom:.5rem;color:var(--line-strong)}
.empty h2{color:var(--ink)}
.empty-inline{padding:1.5rem;text-align:center;color:var(--muted);border:1px dashed var(--line-strong);border-radius:var(--radius)}

.crumb{font-size:.85rem;color:var(--muted)}
.stavba-head{margin-bottom:.5rem}
.subnav{display:flex;gap:.25rem;border-bottom:1px solid var(--line);margin-bottom:1rem;overflow-x:auto;scrollbar-width:none}
.subnav::-webkit-scrollbar{display:none}
.subnav a{padding:.6rem .8rem;color:var(--muted);font-weight:600;white-space:nowrap;border-bottom:2px solid transparent;margin-bottom:-1px}
.subnav a:hover{text-decoration:none;color:var(--ink)}
.subnav a.active{color:var(--primary-dark);border-color:var(--primary)}
.pager{display:flex;justify-content:center;gap:1rem;align-items:center;margin-top:1rem}
.month-nav{display:flex;align-items:center;justify-content:space-between;gap:.5rem;margin-bottom:1rem}
.month-nav h2{margin:0;font-size:1.1rem;text-transform:capitalize}
.filters{display:flex;gap:.4rem;flex-wrap:wrap;margin-bottom:1rem}
.filters a{padding:.3rem .7rem;border-radius:99px;border:1px solid var(--line-strong);font-size:.85rem;font-weight:600;color:var(--muted);background:#fff}
.filters a.active{background:var(--primary);border-color:var(--primary);color:#fff}
.filters a:hover{text-decoration:none}
.kv{display:grid;grid-template-columns:1fr;gap:.35rem .9rem;margin:0}
@media(min-width:640px){.kv{grid-template-columns:max-content 1fr}}
.kv dt{color:var(--muted);font-size:.85rem}
.kv dd{margin:0 0 .4rem}
@media(min-width:640px){.kv dd{margin:0}}
.dl-inline{display:flex;flex-wrap:wrap;gap:.25rem 1.25rem}
.dl-inline div{display:flex;flex-direction:column}
.dl-inline dt{font-size:.75rem;color:var(--muted);text-transform:uppercase;letter-spacing:.03em}
.dl-inline dd{margin:0;font-weight:600}

/* deník */
.zapis-list .list li{align-items:flex-start}
.zapis-datum{width:3.2rem;flex:none;text-align:center;background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius-sm);padding:.3rem 0;line-height:1.1}
.zapis-datum b{display:block;font-size:1.25rem}
.zapis-datum small{font-size:.7rem;color:var(--muted);text-transform:uppercase}
.zapis-text{color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:block}
.chybi{display:flex;flex-wrap:wrap;gap:.35rem}
.chybi a{padding:.25rem .55rem;border-radius:var(--radius-sm);background:var(--warn-soft);color:#7a5300;font-size:.8rem;font-weight:600}
.sekce{margin-bottom:1rem}
.sekce h3{display:flex;align-items:center;gap:.5rem;font-size:.95rem;margin-bottom:.5rem;padding-bottom:.35rem;border-bottom:1px solid var(--line)}
.sekce h3 .n{background:var(--primary);color:#fff;width:1.5em;height:1.5em;border-radius:50%;display:inline-grid;place-items:center;font-size:.75rem}
.text-blok{white-space:pre-wrap;line-height:1.55}
.repeat table{width:100%;border-collapse:collapse}
.repeat td{padding:.2rem;vertical-align:top}
.repeat th{font-size:.75rem;color:var(--muted);text-align:left;font-weight:600;padding:.2rem}
.repeat input,.repeat select{min-height:38px;padding:.4rem .5rem}
.repeat .del{width:34px}
.repeat .del button{width:100%;min-height:38px}
.lock-box{background:var(--ok-soft);border:1px solid #bfe3cd;border-radius:var(--radius);padding:1rem}
.lock-box .otisk{word-break:break-all}
.podpis-img{max-height:80px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:.25rem}
.sig-pad{border:2px dashed var(--line-strong);border-radius:var(--radius);background:#fff;touch-action:none;width:100%;height:180px;display:block}
.dodatek{border-left:3px solid var(--accent);padding:.5rem .75rem;background:var(--surface-2);border-radius:0 var(--radius-sm) var(--radius-sm) 0;margin-bottom:.6rem}
.dodatek-head{font-size:.8rem;color:var(--muted);margin-bottom:.2rem}

/* fotky */
.foto-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:.6rem}
.foto{margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden}
.foto img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block;background:var(--surface-2)}
.foto figcaption{padding:.35rem .5rem;font-size:.78rem;display:flex;flex-direction:column;gap:.2rem}
.foto-popis{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.upload{border:2px dashed var(--line-strong);border-radius:var(--radius);padding:1rem;text-align:center;background:#fff;position:relative}
.upload.drag{border-color:var(--primary);background:var(--primary-soft)}
.upload input[type=file]{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%;height:100%}
.upload-queue{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.75rem}
.upload-queue .q{width:84px;position:relative}
.upload-queue img{width:84px;height:64px;object-fit:cover;border-radius:4px;border:1px solid var(--line)}
.upload-queue .st{font-size:.68rem;color:var(--muted);display:block;text-align:center}
.upload-queue .q.done .st{color:var(--ok)}.upload-queue .q.err .st{color:var(--danger)}
.lightbox{position:fixed;inset:0;background:rgba(10,14,20,.92);z-index:100;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:1rem}
.lightbox img{max-width:100%;max-height:80vh;object-fit:contain;border-radius:4px}
.lightbox .lb-cap{color:#fff;margin-top:.75rem;text-align:center;font-size:.9rem}
.lightbox .lb-x{position:absolute;top:.75rem;right:.75rem;background:rgba(255,255,255,.15);color:#fff;border:0;border-radius:50%;width:40px;height:40px;font-size:1.2rem;cursor:pointer}
.lightbox .lb-nav{position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,.15);color:#fff;border:0;border-radius:50%;width:44px;height:44px;font-size:1.4rem;cursor:pointer}
.lightbox .lb-prev{left:.5rem}.lightbox .lb-next{right:.5rem}

/* docházka + kalendář */
.doch-row td{vertical-align:middle}
.doch-row input[type=time]{min-width:6.2rem}
.doch-row.off td:not(:first-child):not(:nth-child(2)){opacity:.35}
.cal{display:grid;grid-template-columns:repeat(7,1fr);gap:2px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.cal-h{background:var(--surface-2);padding:.4rem;font-size:.72rem;text-transform:uppercase;color:var(--muted);text-align:center;font-weight:650}
.cal-d{background:#fff;min-height:64px;padding:.3rem;font-size:.78rem;position:relative}
.cal-d.out{background:#fafbfc;color:var(--line-strong)}
.cal-d.today .dn{background:var(--primary);color:#fff}
.cal-d .dn{display:inline-grid;place-items:center;width:1.6em;height:1.6em;border-radius:50%;font-weight:650;margin-bottom:.2rem}
.cal-d.wknd{background:#fcfcfd}
.ev{display:block;font-size:.7rem;padding:.1rem .3rem;border-radius:3px;margin-bottom:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:#fff;background:var(--muted)}
.ev-kontrolni_den{background:var(--accent)}.ev-termin{background:var(--primary)}.ev-dodavka{background:#6b4fbb}.ev-poznamka{background:#7a8594}
.ev-zapis{background:var(--ok-soft);color:#1f6a40}.ev-koncept{background:var(--warn-soft);color:#7a5300}
@media(min-width:720px){.cal-d{min-height:96px}}
.mesic-tab td.d{text-align:center;font-size:.8rem;padding:.25rem .15rem;min-width:1.9rem}
.mesic-tab td.d.we{background:#f6f7f9}
.mesic-tab th.d{text-align:center;padding:.25rem .1rem;font-size:.68rem}

/* auth */
.auth{min-height:100vh;display:grid;place-items:center;padding:1.5rem;background:linear-gradient(160deg,#eef3f8,#f7f8fa 60%)}
.auth-card{width:100%;max-width:440px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:1.75rem;box-shadow:0 10px 30px rgba(16,24,40,.08)}
.auth-brand{display:flex;align-items:center;gap:.6rem;margin-bottom:1.25rem}
.auth-brand .brand-mark{background:var(--accent)}
.auth-brand h1{font-size:1.2rem;margin:0}
.auth-brand small{color:var(--muted)}
.auth .flashes{margin-bottom:.75rem}
.auth-foot{margin-top:1rem;text-align:center;font-size:.9rem;color:var(--muted)}

/* PDF náhled v prohlížeči */
.pdf-toolbar{position:sticky;top:0;background:#fff;border-bottom:1px solid var(--line);padding:.5rem 1rem;display:flex;gap:.5rem}
@media print{.pdf-toolbar{display:none}}