/* Layout: timetable board — rooms as rows, weekdays as columns, one evening block per cell */
:root{
  --bg:#EEF2F1; --surface:#FFFFFF; --sunk:#E3E9E7; --ink:#14201C; --muted:#5A6964; --line:#D3DCD9;
  --accent:#0E6656; --accent-ink:#FFFFFF; --accent-soft:#D5ECE6;
  --free:#1B7F4B; --danger:#B3362B; --danger-soft:#F7E1DE;
  --k1:#1E5C6B; --k2:#2A9D90; --k3:#7360C2; --k4:#C9822F;
  --display:"Bricolage Grotesque",ui-sans-serif,system-ui,sans-serif;
  --body:"IBM Plex Sans",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,"SFMono-Regular",Menlo,monospace;
  --r:10px;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0D1412; --surface:#151F1C; --sunk:#1B2724; --ink:#E4ECE9; --muted:#93A49F; --line:#28352F;
  --accent:#4DC0A8; --accent-ink:#06201A; --accent-soft:#173A33;
  --free:#5CCB8E; --danger:#F08A7F; --danger-soft:#3A1E1B;
  --k1:#5FA9BA; --k2:#4FCABB; --k3:#A796EE; --k4:#E9A65A; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0D1412; --surface:#151F1C; --sunk:#1B2724; --ink:#E4ECE9; --muted:#93A49F; --line:#28352F;
  --accent:#4DC0A8; --accent-ink:#06201A; --accent-soft:#173A33;
  --free:#5CCB8E; --danger:#F08A7F; --danger-soft:#3A1E1B;
  --k1:#5FA9BA; --k2:#4FCABB; --k3:#A796EE; --k4:#E9A65A; color-scheme:dark}
*{box-sizing:border-box}
[hidden]{display:none!important}
body{background:var(--bg);color:var(--ink);font-family:var(--body);font-size:14px;line-height:1.45}
.wrap{max-width:1180px;margin:0 auto;padding-block:20px 48px;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));display:flex;flex-direction:column;gap:16px}
h1,h2,h3{font-family:var(--display);margin:0;text-wrap:balance;letter-spacing:-.01em}
button,input,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

.top{display:flex;flex-wrap:wrap;align-items:center;gap:12px 20px}
.brand{display:flex;align-items:center;gap:12px;margin-right:auto}
.mark{font-family:var(--display);font-weight:700;font-size:15px;background:var(--ink);color:var(--bg);padding:7px 9px;border-radius:7px;letter-spacing:.04em}
.brand h1{font-size:22px;line-height:1.1}
.sub{margin:2px 0 0;color:var(--muted);font-size:13px}
.tabs{display:flex;gap:4px;background:var(--sunk);padding:4px;border-radius:999px;overflow-x:auto;max-width:100%}
.tab{border:0;background:none;padding:7px 14px;border-radius:999px;cursor:pointer;white-space:nowrap;color:var(--muted);font-weight:500}
.tab[aria-selected="true"]{background:var(--surface);color:var(--ink);box-shadow:0 1px 2px rgb(0 0 0 / .08)}
.btn{border:1px solid var(--line);background:var(--surface);padding:8px 14px;border-radius:8px;cursor:pointer;font-weight:500;white-space:nowrap}
.btn:hover{border-color:var(--muted)}
.btn.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.btn.primary:hover{filter:brightness(1.08)}
.btn.danger{color:var(--danger);border-color:var(--danger)}
.btn.danger.solid{background:var(--danger);color:var(--surface)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.sm{padding:5px 10px;font-size:13px}

.note{background:var(--accent-soft);border-radius:8px;padding:10px 14px;font-size:13px}
.note[data-kind="warn"]{background:var(--danger-soft)}

.panel{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px;display:flex;flex-direction:column;gap:14px;min-width:0}
.bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.weeknav{display:flex;align-items:center;gap:6px}
.weeknav .btn{padding:6px 10px}
.wlabel{font-family:var(--display);font-size:18px;font-weight:600;min-width:180px;padding-inline:6px}
.spacer{flex:1}
.legend{display:flex;flex-wrap:wrap;gap:12px;color:var(--muted);font-size:12px}
.legend span{display:inline-flex;align-items:center;gap:6px}
.sw{width:12px;height:12px;border-radius:3px;display:inline-block;border:1px solid var(--line)}
.sw.f{border:1px dashed var(--free)}
.sw.t{background:color-mix(in srgb,var(--k2) 18%,var(--surface))}
.sw.m{border:2px solid var(--accent)}
.sw.b{background:repeating-linear-gradient(135deg,var(--sunk) 0 3px,var(--line) 3px 6px)}
select.sel{border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:7px 10px}

.gridwrap{overflow-x:auto;margin-inline:-4px;padding:4px}
.grid{display:grid;grid-template-columns:150px repeat(var(--ndays,5),minmax(132px,1fr));gap:6px;min-width:calc(150px + var(--ndays,5)*138px)}
.gh{font-size:12px;color:var(--muted);padding:4px 8px 6px;display:flex;flex-direction:column;align-items:center;gap:1px}
.gh b{color:var(--ink);font-weight:600;font-size:13px;font-variant-numeric:tabular-nums}
.gh.today b{background:var(--accent);color:var(--accent-ink);padding:1px 8px;border-radius:999px}
.gh.corner{align-items:flex-start;justify-content:flex-end;text-transform:uppercase;letter-spacing:.06em;font-size:11px}
.rh{padding:10px;border-radius:var(--r);background:var(--sunk);display:flex;flex-direction:column;gap:3px;min-width:0}
.rh .rn{display:flex;align-items:center;gap:7px;font-weight:600}
.dot{width:9px;height:9px;border-radius:50%;background:var(--rc);flex:none}
.rh .code{font-family:var(--mono);font-size:11px;color:var(--muted)}
.rh .meta{font-size:12px;color:var(--muted);overflow-wrap:anywhere}
.cell{display:flex;flex-direction:column;gap:5px;min-width:0}
.slot{all:unset;box-sizing:border-box;display:flex;flex-direction:column;gap:2px;padding:9px 10px;border-radius:var(--r);min-height:64px;cursor:pointer;position:relative;min-width:0}
.slot:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.slot .time{font-family:var(--mono);font-size:11px;color:var(--muted);display:flex;gap:6px;align-items:center}
.slot .st{font-weight:600;font-size:13px}
.slot .course{font-weight:600;font-size:13px;overflow-wrap:anywhere;line-height:1.25}
.slot .who{font-size:12px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.slot.free{border:1px dashed color-mix(in srgb,var(--free) 55%,var(--line))}
.slot.free .st{color:var(--free)}
.slot.free{flex-direction:row;align-items:center;justify-content:space-between;min-height:38px;padding-block:7px}
.slot.free .plus{display:none}
.slot.free:hover .st::after{content:" · Rezervo"}
.slot.free:hover{background:color-mix(in srgb,var(--free) 7%,var(--surface))}
.slot.free:hover .plus{opacity:1}
.slot.free:disabled,.slot.free[aria-disabled="true"]{cursor:default;opacity:.55}
.slot.free[aria-disabled="true"]:hover{background:none}
.slot.taken{background:color-mix(in srgb,var(--rc) 14%,var(--surface));border:1px solid color-mix(in srgb,var(--rc) 30%,var(--line))}
.slot.taken:hover{background:color-mix(in srgb,var(--rc) 22%,var(--surface))}
.slot.mine{border:2px solid var(--accent);padding:8px 9px}
.slot.block{background:repeating-linear-gradient(135deg,var(--sunk) 0 6px,color-mix(in srgb,var(--line) 70%,var(--sunk)) 6px 12px);border:1px solid var(--line)}
.slot.block .st{color:var(--muted)}
.chip{font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;padding:2px 6px;border-radius:999px;background:var(--accent);color:var(--accent-ink);align-self:flex-start;margin-top:2px}
.chip.demo{background:var(--sunk);color:var(--muted)}
.cell.past .slot{opacity:.55}
.rep{font-style:normal;color:var(--ink)}
.foot{color:var(--muted);font-size:12px}

/* lists */
.list{display:flex;flex-direction:column;gap:8px}
.row{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;padding:12px;border:1px solid var(--line);border-radius:var(--r);min-width:0}
.row .t{font-weight:600;overflow-wrap:anywhere}
.row .s{color:var(--muted);font-size:13px}
.row .acts{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}
.empty{color:var(--muted);padding:24px;text-align:center;border:1px dashed var(--line);border-radius:var(--r)}
h3{font-size:16px}
.muted{color:var(--muted)}

/* reports */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px}
.rc{border:1px solid var(--line);border-radius:var(--r);padding:14px;display:flex;flex-direction:column;gap:8px}
.rc .big{font-family:var(--display);font-size:28px;font-weight:600;font-variant-numeric:tabular-nums;line-height:1}
.meter{height:8px;border-radius:999px;background:var(--sunk);overflow:hidden}
.meter i{display:block;height:100%;background:var(--rc);border-radius:999px}
.kv{display:flex;justify-content:space-between;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
table{border-collapse:collapse;width:100%;font-variant-numeric:tabular-nums}
th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);font-size:13px}
th{color:var(--muted);font-weight:500;font-size:12px;text-transform:uppercase;letter-spacing:.05em}
td.n,th.n{text-align:right}

/* admin */
.agrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:10px}
.field{display:flex;flex-direction:column;gap:4px;font-size:13px;min-width:0}
.field>span{color:var(--muted);font-size:12px}
.field input,.field select,.field textarea{border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:8px 10px;width:100%;min-width:0}
.slotrow{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.slotrow input{width:110px;border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:7px 9px}
.daypick{display:flex;flex-wrap:wrap;gap:6px}
.daypick label{display:inline-flex;align-items:center;gap:5px;border:1px solid var(--line);padding:5px 10px;border-radius:999px;cursor:pointer;font-size:13px}
.daypick label:has(input:checked){background:var(--accent-soft);border-color:var(--accent)}
.daypick input{accent-color:var(--accent)}

/* dialog */
dialog{border:1px solid var(--line);border-radius:16px;padding:0;background:var(--surface);color:var(--ink);width:min(480px,calc(100vw - 24px));max-height:calc(100dvh - 24px)}
dialog::backdrop{background:rgb(8 16 14 / .45)}
.dlg{padding:20px;display:flex;flex-direction:column;gap:14px}
.dlg h2{font-size:20px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.seg{display:flex;background:var(--sunk);padding:3px;border-radius:9px;gap:3px}
.seg label{flex:1;text-align:center;padding:6px;border-radius:7px;cursor:pointer;font-size:13px}
.seg label:has(input:checked){background:var(--surface);font-weight:600}
.seg input{position:absolute;opacity:0;pointer-events:none}
.check{display:flex;align-items:center;gap:8px;font-weight:500;cursor:pointer}
.check input{accent-color:var(--accent);width:16px;height:16px}
.summary{font-size:13px;color:var(--muted);background:var(--sunk);border-radius:8px;padding:9px 12px}
.dfoot{display:flex;gap:8px;justify-content:flex-end;flex-wrap:wrap}
.dl{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;font-size:14px}
.dl dt{color:var(--muted)}
.dl dd{margin:0;overflow-wrap:anywhere}
.confirm{background:var(--danger-soft);border-radius:8px;padding:10px 12px;display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px}
.err{color:var(--danger);font-size:13px}

.toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:var(--ink);color:var(--bg);padding:10px 16px;border-radius:10px;font-size:13px;max-width:min(560px,calc(100vw - 32px));z-index:50;box-shadow:0 6px 24px rgb(0 0 0 / .2)}
@media (max-width:640px){
  .two{grid-template-columns:1fr}
  .row{grid-template-columns:1fr}
  .row .acts{justify-content:flex-start}
  .wlabel{min-width:0;font-size:16px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}

/* app additions */
.user{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted)}
.user b{color:var(--ink);font-weight:600}
.user form{margin:0}
.loading{opacity:.6;transition:opacity .2s}
.chip.admin{background:var(--ink);color:var(--bg)}
.login{min-height:100%;display:grid;place-items:center;padding-block:40px;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.login .card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:32px;max-width:420px;width:100%;display:flex;flex-direction:column;gap:18px}
.login h1{font-size:26px}
.gbtn{display:flex;align-items:center;justify-content:center;gap:10px;padding:11px 16px;border-radius:10px;border:1px solid var(--line);background:var(--surface);color:var(--ink);text-decoration:none;font-weight:600}
.gbtn:hover{border-color:var(--muted)}
html,body{height:100%}