:root{--o:#f08a1c;--od:#d97706;--ol:#fff4e5;--ink:#1f2937;--mut:#6b7280;--line:#e5e7eb;--bg:#f6f7f9;--ok:#15803d;--bad:#b91c1c;--warn:#b45309}
*{box-sizing:border-box}
body{margin:0;font:15px/1.45 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--od);text-decoration:none}a:hover{text-decoration:underline}
.side{position:fixed;left:0;top:0;bottom:0;width:232px;background:#fff;border-right:1px solid var(--line);padding:14px 12px;overflow:auto}
.side img.logo{width:100%;height:auto;margin-bottom:10px}
.side nav a{display:block;padding:8px 10px;border-radius:8px;color:var(--ink);margin:1px 0}
.side nav a:hover{background:var(--ol);text-decoration:none}
.side nav a.on{background:var(--o);color:#fff;font-weight:600}
.side .sec{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--mut);margin:14px 10px 4px}
.main{margin-left:232px;padding:22px 26px;max-width:1200px}
.top{display:flex;gap:12px;align-items:center;justify-content:space-between;margin-bottom:16px;flex-wrap:wrap}
h1{font-size:22px;margin:0}h2{font-size:17px;margin:22px 0 8px}
.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px;margin-bottom:16px}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px;margin-bottom:16px}
.kpi{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px}
.kpi b{display:block;font-size:24px;margin-top:2px}.kpi span{color:var(--mut);font-size:13px}
table{width:100%;border-collapse:collapse;background:#fff}
th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--mut);background:#fafafa}
.tw{overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:#fff;margin-bottom:16px}
.tw table{margin:0}.r{text-align:right;white-space:nowrap}
.btn,button{background:var(--o);color:#fff;border:0;border-radius:8px;padding:8px 14px;font:inherit;font-weight:600;cursor:pointer;display:inline-block}
.btn:hover,button:hover{background:var(--od);text-decoration:none}
.btn.sec,button.sec{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn.sm,button.sm{padding:4px 10px;font-size:13px}
button.link{background:none;color:var(--od);padding:0;font-weight:500}
button.del{background:#fff;color:var(--bad);border:1px solid #fecaca}
input,select,textarea{font:inherit;padding:8px 10px;border:1px solid #d1d5db;border-radius:8px;background:#fff;max-width:100%}
input:focus,select:focus,textarea:focus{outline:2px solid var(--o);border-color:var(--o)}
label{display:block;font-size:13px;color:var(--mut);margin-bottom:3px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
.grid .full{grid-column:1/-1}.grid input,.grid select,.grid textarea{width:100%}
.bar{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:12px}
.tag{display:inline-block;padding:1px 8px;border-radius:99px;font-size:12px;font-weight:600;background:#eef2f7;color:#334155}
.tag.AKAD{background:var(--ol);color:var(--od)}.tag.FUND{background:#e0f2fe;color:#0369a1}
.paid,.present,.held{color:var(--ok)}.overdue,.absent,.cancelled{color:var(--bad)}
.partial,.late,.open,.excused{color:var(--warn)}
.flash{background:#ecfdf5;border:1px solid #a7f3d0;color:#065f46;padding:10px 14px;border-radius:10px;margin-bottom:14px}
.err{background:#fef2f2;border:1px solid #fecaca;color:#991b1b;padding:10px 14px;border-radius:10px;margin-bottom:14px}
.mut{color:var(--mut)}.small{font-size:13px}
.login{max-width:380px;margin:9vh auto;padding:0 16px}.login .card{padding:24px}
.login img{width:100%;margin-bottom:12px}.login input{width:100%;margin-bottom:12px}
.week{display:grid;grid-template-columns:repeat(7,minmax(130px,1fr));gap:8px;overflow-x:auto}
.day{background:#fff;border:1px solid var(--line);border-radius:10px;padding:8px;min-height:120px}
.day h4{margin:0 0 6px;font-size:13px}.day.today{border-color:var(--o);background:var(--ol)}
.les{display:block;border-left:3px solid var(--o);background:#fafafa;padding:4px 6px;margin-bottom:5px;border-radius:4px;font-size:13px;color:var(--ink)}
.les.cancelled{opacity:.55;border-color:#ef4444}.les.held{border-color:#16a34a}
.top-m{display:none}
@media(max-width:860px){.side{position:static;width:auto;border:0;border-bottom:1px solid var(--line)}
.side nav{display:flex;flex-wrap:wrap;gap:4px}.side .sec{display:none}.side img.logo{max-width:220px}
.main{margin:0;padding:14px}.week{grid-template-columns:repeat(7,150px)}}
@media print{.side,.noprint{display:none}.main{margin:0}}

/* ---- wersja profesjonalna ---- */
body{font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;-webkit-font-smoothing:antialiased}
.side nav a{display:flex;align-items:center;gap:10px;padding:8px 10px;font-weight:500;color:#374151}
.side nav a svg{flex:none;opacity:.75}.side nav a.on svg{opacity:1}
.side .acct{margin-top:16px;border-top:1px solid var(--line);padding-top:10px}
.side .acct button.link{padding:8px 10px;text-align:left;width:100%;font-size:13px;color:var(--mut)}
.srch input{width:100%;margin-bottom:8px;background:#f3f4f6;border-color:transparent}
.mbar{display:none}
.card,.kpi,.tw{box-shadow:0 1px 2px rgba(16,24,40,.04)}
.kpi{border-top:3px solid var(--o)}.kpi b{letter-spacing:-.02em}
th{position:sticky;top:0;cursor:default}
.tw table th.sortable{cursor:pointer;user-select:none}.tw table th.sortable:hover{color:var(--ink)}
.tw table th.asc::after{content:" ▲";font-size:9px}.tw table th.desc::after{content:" ▼";font-size:9px}
tbody tr:hover td,table tr:hover td{background:#fffaf3}
.tfilter{margin:0 0 8px;width:260px}
.chart{display:flex;align-items:flex-end;gap:14px;height:170px;padding:8px 4px 0}
.chart .col{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;min-width:0}
.chart .stack{width:100%;max-width:56px;display:flex;flex-direction:column-reverse;border-radius:6px 6px 0 0;overflow:hidden;min-height:2px}
.chart .seg.AKAD{background:var(--o)}.chart .seg.FUND{background:#38a3d8}
.chart .v{font-size:11px;color:var(--mut);margin-bottom:3px;white-space:nowrap}.chart .l{font-size:12px;color:var(--mut);margin-top:6px}
.legend{display:flex;gap:14px;font-size:12px;color:var(--mut);margin-top:8px}.legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:5px}
.receipt{max-width:640px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:12px;padding:32px}
.receipt h1{text-align:center;margin:18px 0 6px}.receipt .row{display:flex;justify-content:space-between;border-bottom:1px dashed var(--line);padding:8px 0}
.receipt .big{font-size:26px;font-weight:700;text-align:center;margin:18px 0}
:focus-visible{outline:2px solid var(--o);outline-offset:2px}
@media(max-width:860px){
  .mbar{display:flex;align-items:center;gap:10px;padding:8px 12px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
  .mbar img{height:30px}.mbar .ham{background:none;color:var(--ink);padding:4px;border:0}
  .side{display:none;position:fixed;inset:46px 0 0 0;width:auto;z-index:19;overflow:auto}
  body.menu .side{display:block}.side img.logo{display:none}
  .side nav{display:block}.side .sec{display:block}
  .chart{gap:6px}
}
@media print{.mbar,.demo{display:none!important}.receipt{border:0}}
.pub{max-width:720px;margin:0 auto;padding:18px 16px 60px}.pub .logo{max-width:280px;margin:8px 0 16px;display:block}
.evc{display:block;background:#fff;border:1px solid var(--line);border-left:4px solid var(--o);border-radius:12px;padding:14px 16px;margin-bottom:12px;color:var(--ink)}
.evc:hover{text-decoration:none;box-shadow:0 2px 8px rgba(16,24,40,.08)}.evc h3{margin:0 0 4px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.copy{width:100%;font-family:monospace;font-size:13px}
.pill{display:inline-block;background:var(--ol);color:var(--od);border-radius:99px;padding:1px 9px;font-size:12px;font-weight:600}
.new{color:var(--warn)}.confirmed{color:var(--ok)}.waitlist{color:#0369a1}

/* kalendarz dnia */
.cal{background:#fff;border:1px solid var(--line);border-radius:12px;overflow-x:auto}
.cal-head,.cal-body{display:flex;min-width:560px}
.cal-head{border-bottom:1px solid var(--line);position:sticky;top:0;background:#fff;z-index:2}
.tcol{width:56px;flex:none;position:relative}.chead{flex:1;text-align:center;padding:12px 4px;color:#4b5563;border-left:1px solid var(--line);font-weight:500;min-width:150px}
.cal-body .tcol span{position:absolute;right:8px;transform:translateY(-8px);font-size:12px;color:var(--mut)}
.ccol{flex:1;position:relative;border-left:1px solid var(--line);min-width:150px;background-image:repeating-linear-gradient(to bottom,transparent 0,transparent calc(100% - 1px),#eef0f3 100%)}
.blk{position:absolute;box-sizing:border-box;border:1px solid #d9a066;border-top:3px solid #b07a3c;background:#f9bf93;border-radius:6px;padding:4px 7px;font-size:12.5px;line-height:1.25;color:#3b2a14;overflow:hidden;margin-left:2px}
.blk:hover{text-decoration:none;filter:brightness(.97);z-index:3}.blk b{font-weight:600}.blk span{color:#5b4630}
.blk.individual{background:#bcd7f5;border-color:#7fa8d8;border-top-color:#4e82bf;color:#16304f}.blk.individual span{color:#35506f}
.blk.held{border-top-color:#16a34a}.blk.cancelled{background:repeating-linear-gradient(45deg,#f3f4f6,#f3f4f6 6px,#e5e7eb 6px,#e5e7eb 12px);border-color:#d1d5db;color:#6b7280;text-decoration:line-through}
.blk.conf{outline:2px solid var(--bad);outline-offset:-2px}
.les.individual{border-left-color:#4e82bf}
.badge{margin-left:auto;background:var(--o);color:#fff;border-radius:99px;font-style:normal;font-size:11px;font-weight:700;padding:1px 7px}
.task{display:flex;gap:10px;align-items:center;padding:10px 14px;border-bottom:1px solid var(--line);background:#fff}.task.done span{text-decoration:line-through;color:var(--mut)}

.cal-body .tcol span:first-child{transform:none}

.dd{position:relative;display:inline-block}.dd summary{list-style:none;cursor:pointer}.dd summary::-webkit-details-marker{display:none}
.dd-menu{position:absolute;top:calc(100% + 6px);left:0;min-width:230px;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 8px 24px rgba(16,24,40,.14);padding:6px;z-index:30}
.dd-menu a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;color:var(--ink);font-weight:500}.dd-menu a svg{color:var(--od)}
.dd-menu a:hover{background:var(--ol);text-decoration:none}
.tabs{display:flex;gap:4px;flex-wrap:wrap;margin-top:12px}.tabs a{padding:11px 18px;background:#eceef2;border-radius:10px 10px 0 0;color:#6b7280;font-weight:500}
.tabs a.on{background:var(--ol);color:var(--od);font-weight:600}.tabs a:hover{text-decoration:none;color:var(--ink)}
.tabpanel{background:var(--ol);border-radius:0 12px 12px 12px;padding:16px;margin-bottom:16px}.tabpanel .tw,.tabpanel .card{background:#fff}

/* Formularz zajęć indywidualnych */
.course-section{padding:0 18px 18px;overflow:hidden}
.course-section>h2{margin:0 -18px 18px;padding:13px 18px;background:var(--ol);color:var(--od);font-size:16px}
.course-section h3{font-size:15px;margin:22px 0 8px}
.course-row{display:flex;gap:12px;align-items:end;border-top:1px solid var(--line);padding:12px 0;flex-wrap:wrap}
.course-row label{flex:1;min-width:140px;margin:0}.course-row input,.course-row select{display:block;width:100%;margin-top:5px}
.course-row button{margin-bottom:2px}
.course-check{display:flex;gap:9px;align-items:center;font-size:14px;margin:12px 0;color:var(--ink)}
.course-check input{width:auto;flex:none}
[hidden]{display:none!important}
button:disabled{opacity:.5;cursor:default}