/* Guitar Garage Inc — single stylesheet, no framework. */
:root{
  --bg:#f6f7f9; --surface:#fff; --border:#e3e6ec; --border-strong:#ccd2dd;
  --text:#151a22; --muted:#5f6b7d; --faint:#8b95a6;
  /* Orange primary. #c2410c holds 5.18:1 against white both as link text
     and behind white button labels, so one token serves both roles. */
  --brand:#c2410c; --brand-dark:#9a3412; --brand-soft:#fff4ed;
  --ok:#0f8f5b; --ok-soft:#e4f6ed; --warn:#b26a00; --warn-soft:#fdf0dc;
  --bad:#c0304a; --bad-soft:#fdeaee; --info:#1f6feb; --info-soft:#e8f1fe;
  --radius:10px; --radius-sm:7px; --shadow:0 1px 2px rgba(18,24,38,.06),0 3px 12px rgba(18,24,38,.05);
  --sidebar:248px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font:15px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Helvetica,Arial,sans-serif;
  color:var(--text); background:var(--bg); -webkit-font-smoothing:antialiased;
}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{margin:0 0 .5rem;line-height:1.25;font-weight:650;letter-spacing:-.01em}
h1{font-size:1.5rem} h2{font-size:1.15rem} h3{font-size:1rem}
p{margin:0 0 .75rem}
small,.small{font-size:.82rem}
.muted{color:var(--muted)} .faint{color:var(--faint)}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.86em}
.right{text-align:right} .center{text-align:center} .nowrap{white-space:nowrap}

/* ---------- shell ---------- */
.layout{display:flex;min-height:100vh}
.sidebar{
  width:var(--sidebar);flex:0 0 var(--sidebar);background:#11141c;color:#aeb6c6;
  display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow-y:auto;
}
.brand{display:flex;align-items:center;gap:.6rem;padding:1.1rem 1.1rem .9rem;color:#fff;font-weight:700;letter-spacing:-.02em}
.brand:hover{text-decoration:none}
.brand .logo{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,#f97316,#c2410c);display:grid;place-items:center;font-size:15px}
.brand small{display:block;font-weight:400;font-size:.68rem;color:#7b8598;letter-spacing:.04em;text-transform:uppercase}
.nav{padding:.4rem .6rem;flex:1}
.nav-label{padding:.9rem .5rem .3rem;font-size:.66rem;text-transform:uppercase;letter-spacing:.09em;color:#69738a}
.nav a{
  display:flex;align-items:center;gap:.6rem;padding:.5rem .6rem;margin-bottom:1px;border-radius:var(--radius-sm);
  color:#c2c9d6;font-size:.9rem;font-weight:500;
}
.nav a:hover{background:#1c212c;color:#fff;text-decoration:none}
.nav a.active{background:var(--brand);color:#fff}
.nav a .ico{width:18px;text-align:center;opacity:.9;font-size:.95rem}
.sidebar-foot{padding:.8rem;border-top:1px solid #222836;font-size:.82rem}
.sidebar-foot .who{display:flex;align-items:center;gap:.55rem;margin-bottom:.5rem}
.sidebar-foot .name{color:#fff;font-weight:600;line-height:1.2}
.sidebar-foot .role{color:#69738a;font-size:.7rem;text-transform:uppercase;letter-spacing:.06em}
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{
  display:flex;align-items:center;gap:1rem;padding:.8rem 1.5rem;background:var(--surface);
  border-bottom:1px solid var(--border);position:sticky;top:0;z-index:20;
}
.topbar h1{margin:0;font-size:1.15rem}
.topbar .spacer{flex:1}
.content{padding:1.4rem 1.5rem 3rem;max-width:1400px;width:100%}
.menu-toggle{display:none}

/* ---------- pieces ---------- */
.avatar{
  width:30px;height:30px;border-radius:50%;background:var(--brand-soft);color:var(--brand-dark);
  display:grid;place-items:center;font-size:.72rem;font-weight:700;flex:0 0 auto;
}
.avatar.dark{background:#2a3140;color:#dfe4ee}
.avatar.lg{width:46px;height:46px;font-size:1rem}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:1.1rem}
.card-head{display:flex;align-items:center;gap:.75rem;padding:.85rem 1.1rem;border-bottom:1px solid var(--border)}
.card-head h2,.card-head h3{margin:0;font-size:.98rem}
.card-head .spacer{flex:1}
.card-body{padding:1.1rem}
.card-body.tight{padding:.6rem 1.1rem}
.card-foot{padding:.7rem 1.1rem;border-top:1px solid var(--border);background:#fafbfc;border-radius:0 0 var(--radius) var(--radius)}
.grid{display:grid;gap:1.1rem}
.grid.cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid.cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.grid.side{grid-template-columns:minmax(0,2fr) minmax(280px,1fr)}
.row{display:flex;gap:.6rem;align-items:center;flex-wrap:wrap}
.stack{display:flex;flex-direction:column;gap:.35rem}

/* stat tiles */
.stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:.95rem 1.05rem;box-shadow:var(--shadow)}
.stat .label{font-size:.74rem;text-transform:uppercase;letter-spacing:.06em;color:var(--faint);font-weight:600}
.stat .value{font-size:1.7rem;font-weight:680;letter-spacing:-.02em;margin:.25rem 0 .1rem}
.stat .sub{font-size:.8rem;color:var(--muted)}
.stat.accent{border-left:3px solid var(--brand)}
.stat.good .value{color:var(--ok)} .stat.bad .value{color:var(--bad)}

/* buttons */
.btn{
  display:inline-flex;align-items:center;gap:.4rem;padding:.46rem .85rem;border-radius:var(--radius-sm);
  border:1px solid var(--border-strong);background:var(--surface);color:var(--text);
  font-size:.87rem;font-weight:560;cursor:pointer;line-height:1.4;white-space:nowrap;
}
.btn:hover{background:#f2f4f7;text-decoration:none}
.btn-primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark);border-color:var(--brand-dark)}
.btn-danger{background:var(--bad);border-color:var(--bad);color:#fff}
.btn-danger:hover{background:#a3273e}
.btn-sm{padding:.3rem .6rem;font-size:.8rem}
.btn-ghost{border-color:transparent;background:transparent;color:var(--muted)}
.btn-ghost:hover{background:#eef0f4;color:var(--text)}
.btn[disabled],.btn:disabled{opacity:.5;cursor:not-allowed}

/* badges */
.badge{display:inline-block;padding:.16rem .5rem;border-radius:999px;font-size:.73rem;font-weight:650;letter-spacing:.01em;background:#eef0f4;color:var(--muted);white-space:nowrap}
.badge-ok{background:var(--ok-soft);color:var(--ok)}
.badge-bad{background:var(--bad-soft);color:var(--bad)}
.badge-warn{background:var(--warn-soft);color:var(--warn)}
.badge-info{background:var(--info-soft);color:var(--info)}
.badge-brand{background:var(--brand-soft);color:var(--brand-dark)}

/* tables */
.table-wrap{overflow-x:auto}
table.data{width:100%;border-collapse:collapse;font-size:.88rem}
table.data th{
  text-align:left;padding:.6rem .8rem;font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;
  color:var(--faint);font-weight:650;border-bottom:1px solid var(--border);background:#fafbfc;white-space:nowrap;
}
table.data td{padding:.62rem .8rem;border-bottom:1px solid var(--border);vertical-align:middle}
table.data tbody tr:last-child td{border-bottom:0}
table.data tbody tr:hover{background:#fafbfd}
table.data a.strong{font-weight:600;color:var(--text)}
table.data a.strong:hover{color:var(--brand)}
.cell-person{display:flex;align-items:center;gap:.55rem}
.empty{padding:2.4rem 1rem;text-align:center;color:var(--muted)}
.empty .big{font-size:1.8rem;margin-bottom:.4rem;opacity:.45}

/* forms */
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.9rem 1.1rem}
.form-grid .full{grid-column:1/-1}
.field label{display:block;font-size:.8rem;font-weight:600;color:var(--muted);margin-bottom:.25rem}
.field .help{font-size:.76rem;color:var(--faint);margin-top:.22rem}
.field .err{font-size:.78rem;color:var(--bad);margin-top:.22rem}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=date],
input[type=time],input[type=search],input[type=tel],select,textarea{
  width:100%;padding:.46rem .6rem;border:1px solid var(--border-strong);border-radius:var(--radius-sm);
  background:#fff;font:inherit;font-size:.88rem;color:var(--text);
}
textarea{min-height:76px;resize:vertical}
select[multiple]{min-height:110px}
input:focus,select:focus,textarea:focus{outline:2px solid var(--brand-soft);outline-offset:0;border-color:var(--brand)}
input[aria-invalid=true],select[aria-invalid=true],textarea[aria-invalid=true]{border-color:var(--bad)}
fieldset{border:0;padding:0;margin:0 0 1.3rem}
legend{font-size:.75rem;text-transform:uppercase;letter-spacing:.07em;color:var(--faint);font-weight:700;padding:0 0 .5rem}
.checkline{display:flex;align-items:center;gap:.45rem;font-size:.88rem}
.checkline input{width:auto}
.form-actions{display:flex;gap:.6rem;align-items:center;padding-top:.4rem}

/* filter bar */
.filters{display:flex;gap:.5rem;flex-wrap:wrap;align-items:flex-end}
.filters .field{min-width:150px}
.filters .grow{flex:1;min-width:220px}
.filters label{font-size:.72rem}

/* messages */
.messages{margin-bottom:1rem;display:flex;flex-direction:column;gap:.5rem}
.msg{display:flex;gap:.6rem;align-items:flex-start;padding:.65rem .9rem;border-radius:var(--radius-sm);font-size:.88rem;border:1px solid}
.msg-success{background:var(--ok-soft);border-color:#bfe6d3;color:#0a6b45}
.msg-error{background:var(--bad-soft);border-color:#f5c6cf;color:#96223a}
.msg-warning{background:var(--warn-soft);border-color:#f2d9ac;color:#8a5200}
.msg-info{background:var(--info-soft);border-color:#c7ddfb;color:#17539f}
.msg .close{margin-left:auto;cursor:pointer;border:0;background:none;font-size:1rem;color:inherit;opacity:.6}

/* pagination */
.pager{display:flex;gap:.35rem;align-items:center;justify-content:center;padding:.85rem;font-size:.85rem}
.pager a,.pager span{padding:.3rem .6rem;border-radius:var(--radius-sm);border:1px solid var(--border)}
.pager .current{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
.pager .disabled{opacity:.4}

/* progress */
.bar{height:6px;border-radius:999px;background:#e9ecf2;overflow:hidden;min-width:60px}
.bar span{display:block;height:100%;background:var(--ok);border-radius:999px}
.bar.warn span{background:var(--warn)} .bar.bad span{background:var(--bad)}

/* auth */
.auth-wrap{min-height:100vh;display:grid;place-items:center;padding:1.5rem;
  background:radial-gradient(1000px 500px at 20% -10%,#ffe4cf,transparent),var(--bg)}
.auth-card{width:100%;max-width:390px;background:var(--surface);border:1px solid var(--border);
  border-radius:14px;box-shadow:0 12px 40px rgba(20,24,40,.1);padding:1.9rem}
.auth-card .brand{padding:0 0 1.2rem;color:var(--text)}

/* detail lists */
dl.pairs{display:grid;grid-template-columns:auto 1fr;gap:.45rem 1rem;margin:0;font-size:.88rem}
dl.pairs dt{color:var(--faint);font-weight:600;font-size:.8rem;white-space:nowrap}
dl.pairs dd{margin:0}
.tabs{display:flex;gap:.2rem;border-bottom:1px solid var(--border);margin-bottom:1.1rem;overflow-x:auto}
.tabs a{padding:.55rem .85rem;font-size:.88rem;font-weight:560;color:var(--muted);border-bottom:2px solid transparent;white-space:nowrap}
.tabs a:hover{color:var(--text);text-decoration:none}
.tabs a.active{color:var(--brand);border-bottom-color:var(--brand)}

/* attendance marking */
.att-row{display:flex;align-items:center;gap:.8rem;padding:.55rem .8rem;border-bottom:1px solid var(--border)}
.att-row:last-child{border-bottom:0}
.att-row .who{flex:1;min-width:0;display:flex;align-items:center;gap:.6rem}
.seg{display:inline-flex;border:1px solid var(--border-strong);border-radius:var(--radius-sm);overflow:hidden}
.seg label{margin:0;padding:.32rem .62rem;font-size:.8rem;font-weight:600;cursor:pointer;color:var(--muted);
  border-right:1px solid var(--border);user-select:none;background:#fff}
.seg label:last-child{border-right:0}
.seg input{position:absolute;opacity:0;width:0;height:0}
.seg input:checked + span{color:#fff}
.seg label:has(input:checked){background:var(--muted);color:#fff}
.seg label.p:has(input:checked){background:var(--ok)}
.seg label.a:has(input:checked){background:var(--bad)}
.seg label.l:has(input:checked){background:var(--warn)}
.seg label.e:has(input:checked){background:var(--info)}
.seg input:focus-visible + span{outline:2px solid var(--brand)}

/* calendar */
.cal{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));border:1px solid var(--border);
  border-radius:var(--radius);overflow:hidden;background:var(--surface)}
.cal .dow{padding:.5rem;font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--faint);
  font-weight:650;background:#fafbfc;border-bottom:1px solid var(--border);text-align:center}
.cal .day{min-height:104px;border-right:1px solid var(--border);border-bottom:1px solid var(--border);padding:.35rem;position:relative}
.cal .day:nth-child(7n){border-right:0}
.cal .day.out{background:#fafbfc;color:var(--faint)}
.cal .day.today{background:#fff4ed}
.cal .day .num{font-size:.76rem;font-weight:650;color:var(--muted);display:block;margin-bottom:.25rem}
.cal .day.today .num{color:var(--brand)}
.cal-ev{display:block;font-size:.72rem;line-height:1.25;padding:.2rem .32rem;margin-bottom:.16rem;border-radius:5px;
  background:var(--brand-soft);color:var(--brand-dark);border-left:2px solid var(--brand);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cal-ev:hover{text-decoration:none;filter:brightness(.97)}
.cal-ev.done{background:var(--ok-soft);color:#0a6b45;border-left-color:var(--ok)}
.cal-ev.cancelled{background:#eef0f4;color:var(--faint);border-left-color:var(--faint);text-decoration:line-through}
.cal-ev.todo{background:var(--warn-soft);color:var(--warn);border-left-color:var(--warn)}
.cal-nav{display:flex;align-items:center;gap:.5rem}
.agenda-day{border-bottom:1px solid var(--border);padding:.7rem 1.1rem}
.agenda-day:last-child{border-bottom:0}

/* print */
.invoice-doc{background:#fff;padding:2.2rem;border:1px solid var(--border);border-radius:var(--radius);max-width:860px;margin:0 auto}
@media print{
  .sidebar,.topbar,.no-print{display:none!important}
  body{background:#fff}
  .content{padding:0;max-width:none}
  .invoice-doc{border:0;padding:0;max-width:none}
  .card{box-shadow:none;border-color:#ddd;break-inside:avoid}
}

@media (max-width:1080px){
  .grid.cols-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid.side{grid-template-columns:1fr}
}
@media (max-width:820px){
  .sidebar{position:fixed;left:0;top:0;z-index:60;transform:translateX(-100%);transition:transform .18s}
  body.nav-open .sidebar{transform:none;box-shadow:0 0 40px rgba(0,0,0,.3)}
  .menu-toggle{display:inline-flex}
  .content{padding:1rem}
  .grid.cols-2,.grid.cols-3,.grid.cols-4{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .cal .day{min-height:74px}
}