/* ==========================================================================
   Ability360 — application stylesheet
   Single file, no build step, no external requests.
   ========================================================================== */

:root {
  --brand-900:#0b2b3f; --brand-800:#11405c; --brand-700:#155e75;
  --brand-600:#0e7490; --brand-500:#0891b2; --brand-400:#22d3ee;
  --accent-600:#4f46e5; --accent-500:#6366f1; --accent-100:#e0e7ff;

  --ok-600:#047857; --ok-100:#d1fae5;
  --warn-600:#b45309; --warn-100:#fef3c7;
  --bad-600:#b91c1c; --bad-100:#fee2e2;
  --info-600:#1d4ed8; --info-100:#dbeafe;

  --ink-900:#0f172a; --ink-700:#334155; --ink-500:#64748b; --ink-400:#94a3b8;
  --line:#e2e8f0; --line-strong:#cbd5e1;
  --bg:#f6f8fb; --surface:#ffffff; --surface-2:#f8fafc;

  --radius:12px; --radius-sm:8px;
  --shadow-sm:0 1px 2px rgba(15,23,42,.06), 0 1px 3px rgba(15,23,42,.04);
  --shadow-md:0 4px 12px rgba(15,23,42,.08);
  --sidebar-w:248px;
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font);font-size:14.5px;line-height:1.55;
  color:var(--ink-900);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0 0 .4em;line-height:1.25;font-weight:650;letter-spacing:-.01em}
h1{font-size:1.55rem}h2{font-size:1.15rem}h3{font-size:1rem}
p{margin:0 0 .9em}
a{color:var(--brand-600);text-decoration:none}
a:hover{text-decoration:underline}
small{font-size:.82em}
code,kbd{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9em}
hr{border:0;border-top:1px solid var(--line);margin:20px 0}

/* ---------------------------------------------------------------- app shell */
.app{display:flex;min-height:100vh}

.sidebar{
  width:var(--sidebar-w);flex:0 0 var(--sidebar-w);
  background:linear-gradient(180deg,var(--brand-900),var(--brand-800));
  color:#cbe7f2;display:flex;flex-direction:column;position:sticky;top:0;height:100vh;
}
.sidebar .brand{
  display:flex;align-items:center;gap:10px;padding:20px 18px 16px;
  color:#fff;font-weight:700;font-size:1.05rem;letter-spacing:-.02em;
}
.sidebar .brand .mark{
  width:30px;height:30px;border-radius:9px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand-400),var(--accent-500));
  color:#04212f;font-weight:800;font-size:.82rem;flex:none;
}
.sidebar nav{padding:6px 10px 20px;overflow-y:auto;flex:1}
.sidebar .nav-group{
  padding:16px 10px 6px;font-size:.68rem;text-transform:uppercase;
  letter-spacing:.09em;color:#7fb0c4;font-weight:700;
}
.sidebar a.nav-item{
  display:flex;align-items:center;gap:10px;padding:8px 10px;margin:1px 0;
  border-radius:var(--radius-sm);color:#cbe7f2;font-weight:500;font-size:.9rem;
}
.sidebar a.nav-item:hover{background:rgba(255,255,255,.09);color:#fff;text-decoration:none}
.sidebar a.nav-item.active{background:rgba(34,211,238,.16);color:#fff;font-weight:600}
.sidebar a.nav-item .ico{width:18px;flex:none;text-align:center;opacity:.9}
.sidebar a.nav-item .pill{
  margin-left:auto;background:var(--bad-600);color:#fff;border-radius:999px;
  padding:1px 7px;font-size:.7rem;font-weight:700;
}
.sidebar .side-foot{padding:14px 18px;border-top:1px solid rgba(255,255,255,.1);font-size:.76rem;color:#8fbccd}

.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{
  background:var(--surface);border-bottom:1px solid var(--line);
  padding:12px 24px;display:flex;align-items:center;gap:16px;
  position:sticky;top:0;z-index:20;
}
.topbar .search{flex:1;max-width:420px;position:relative}
.topbar .search input{width:100%}
.topbar .who{margin-left:auto;display:flex;align-items:center;gap:10px}
.avatar{
  width:34px;height:34px;border-radius:50%;flex:none;display:grid;place-items:center;
  background:var(--accent-100);color:var(--accent-600);font-weight:700;font-size:.8rem;
}
.who .meta{line-height:1.2}
.who .meta strong{display:block;font-size:.86rem}
.who .meta span{font-size:.75rem;color:var(--ink-500)}

.content{padding:24px;max-width:1400px;width:100%}
.page-head{display:flex;align-items:flex-start;gap:16px;flex-wrap:wrap;margin-bottom:18px}
.page-head .grow{flex:1;min-width:220px}
.page-head p.sub{color:var(--ink-500);margin:0}
.page-actions{display:flex;gap:8px;flex-wrap:wrap}

/* ---------------------------------------------------------------- banners */
.impersonating{
  background:var(--warn-100);border-bottom:1px solid #f3d38a;color:#7c4a03;
  padding:8px 24px;font-size:.85rem;display:flex;align-items:center;gap:12px;
}
.flash{
  padding:11px 14px;border-radius:var(--radius-sm);margin-bottom:12px;
  font-size:.9rem;border:1px solid transparent;display:flex;gap:10px;align-items:flex-start;
}
.flash strong{flex:none}
.flash.success{background:var(--ok-100);border-color:#a7f3d0;color:#065f46}
.flash.error{background:var(--bad-100);border-color:#fecaca;color:#991b1b}
.flash.info{background:var(--info-100);border-color:#bfdbfe;color:#1e40af}

/* ---------------------------------------------------------------- cards */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.card + .card{margin-top:16px}
.card-head{
  padding:14px 18px;border-bottom:1px solid var(--line);
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
}
.card-head h2,.card-head h3{margin:0}
.card-head .right{margin-left:auto;display:flex;gap:8px;align-items:center}
.card-body{padding:18px}
.card-body.tight{padding:12px 18px}
.card-foot{padding:12px 18px;border-top:1px solid var(--line);background:var(--surface-2);border-radius:0 0 var(--radius) var(--radius)}

.grid{display:grid;gap:16px}
.grid.cols-2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.grid.cols-3{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.grid.cols-4{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.split{display:grid;gap:16px;grid-template-columns:minmax(0,2fr) minmax(0,1fr)}
@media(max-width:1000px){.split{grid-template-columns:1fr}}

/* ---------------------------------------------------------------- stat tiles */
.stat{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px 18px;box-shadow:var(--shadow-sm);display:block;
}
a.stat:hover{border-color:var(--brand-500);text-decoration:none;box-shadow:var(--shadow-md)}
.stat .label{font-size:.76rem;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-500);font-weight:650}
.stat .value{font-size:1.85rem;font-weight:700;letter-spacing:-.02em;margin:2px 0 0;color:var(--ink-900)}
.stat .foot{font-size:.8rem;color:var(--ink-500)}
.stat.alert .value{color:var(--bad-600)}
.stat.warn .value{color:var(--warn-600)}
.stat.good .value{color:var(--ok-600)}

/* ---------------------------------------------------------------- tables */
.table-wrap{overflow-x:auto}
table.data{width:100%;border-collapse:collapse;font-size:.9rem}
table.data th{
  text-align:left;padding:9px 12px;background:var(--surface-2);
  border-bottom:1px solid var(--line);font-size:.74rem;text-transform:uppercase;
  letter-spacing:.06em;color:var(--ink-500);font-weight:700;white-space:nowrap;
}
table.data td{padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:middle}
table.data tbody tr:hover{background:var(--surface-2)}
table.data tbody tr:last-child td{border-bottom:0}
table.data td.num,table.data th.num{text-align:right;font-variant-numeric:tabular-nums}
table.data td.nowrap{white-space:nowrap}
.t-main{font-weight:600}
.t-sub{color:var(--ink-500);font-size:.82rem}

.empty{padding:36px 18px;text-align:center;color:var(--ink-500)}
.empty .big{font-size:1.6rem;margin-bottom:6px}

/* ---------------------------------------------------------------- badges */
.badge{
  display:inline-block;padding:2px 9px;border-radius:999px;font-size:.74rem;
  font-weight:650;letter-spacing:.01em;white-space:nowrap;
  background:#eef2f7;color:var(--ink-700);border:1px solid var(--line);
}
.badge.ok{background:var(--ok-100);color:var(--ok-600);border-color:#a7f3d0}
.badge.warn{background:var(--warn-100);color:var(--warn-600);border-color:#fde68a}
.badge.bad{background:var(--bad-100);color:var(--bad-600);border-color:#fecaca}
.badge.info{background:var(--info-100);color:var(--info-600);border-color:#bfdbfe}
.badge.muted{background:#f1f5f9;color:var(--ink-500)}
.badge.brand{background:#cffafe;color:var(--brand-700);border-color:#a5f3fc}

/* ---------------------------------------------------------------- forms */
label{display:block;font-size:.82rem;font-weight:640;color:var(--ink-700);margin-bottom:4px}
label .hint{font-weight:400;color:var(--ink-400)}
input[type=text],input[type=email],input[type=password],input[type=date],input[type=time],
input[type=number],input[type=search],input[type=tel],input[type=datetime-local],
select,textarea{
  width:100%;padding:8px 11px;font:inherit;font-size:.92rem;color:var(--ink-900);
  background:var(--surface);border:1px solid var(--line-strong);border-radius:var(--radius-sm);
  transition:border-color .12s,box-shadow .12s;
}
input:focus,select:focus,textarea:focus{
  outline:0;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(8,145,178,.16);
}
input[readonly],input:disabled,select:disabled,textarea:disabled{background:var(--surface-2);color:var(--ink-500)}
textarea{min-height:110px;resize:vertical;line-height:1.5}
select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath fill='%2364748b' d='M6 8 0 0h12z'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 11px center;padding-right:30px}
.field{margin-bottom:14px}
.field .err{color:var(--bad-600);font-size:.8rem;margin-top:3px}
.form-grid{display:grid;gap:0 16px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.form-grid .span-2{grid-column:span 2}
@media(max-width:560px){.form-grid .span-2{grid-column:span 1}}
fieldset{border:0;padding:0;margin:0 0 8px}
fieldset legend{
  font-size:.74rem;text-transform:uppercase;letter-spacing:.07em;
  color:var(--ink-500);font-weight:700;padding:14px 0 8px;
}
.check{display:flex;align-items:flex-start;gap:9px;margin:8px 0;font-size:.9rem}
.check input{width:16px;height:16px;margin:2px 0 0;flex:none;accent-color:var(--brand-600)}
.check label{margin:0;font-weight:500}

/* ---------------------------------------------------------------- buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  padding:8px 15px;font:inherit;font-size:.89rem;font-weight:620;
  border-radius:var(--radius-sm);border:1px solid transparent;cursor:pointer;
  background:var(--surface);color:var(--ink-700);border-color:var(--line-strong);
  text-decoration:none;white-space:nowrap;transition:filter .12s,background .12s;
}
.btn:hover{text-decoration:none;filter:brightness(.98)}
.btn:active{transform:translateY(.5px)}
.btn.primary{background:var(--brand-600);border-color:var(--brand-600);color:#fff}
.btn.primary:hover{background:var(--brand-700)}
.btn.accent{background:var(--accent-600);border-color:var(--accent-600);color:#fff}
.btn.danger{background:#fff;border-color:#fca5a5;color:var(--bad-600)}
.btn.danger:hover{background:var(--bad-100)}
.btn.ghost{background:transparent;border-color:transparent;color:var(--brand-600)}
.btn.sm{padding:5px 10px;font-size:.82rem}
.btn.block{width:100%}
.btn[disabled]{opacity:.55;cursor:not-allowed}
.btn-row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
form.inline{display:inline}

/* ---------------------------------------------------------------- filters */
.filters{
  display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end;
  padding:14px 18px;border-bottom:1px solid var(--line);background:var(--surface-2);
  border-radius:var(--radius) var(--radius) 0 0;
}
.filters .f{min-width:150px}
.filters .f.wide{min-width:240px;flex:1}
.filters label{font-size:.74rem;margin-bottom:3px}

/* ---------------------------------------------------------------- roster grid */
.week{display:grid;grid-template-columns:repeat(7,minmax(150px,1fr));gap:1px;background:var(--line)}
.week .day{background:var(--surface);min-height:150px;padding:0 0 8px}
.week .day-head{
  padding:8px 10px;border-bottom:1px solid var(--line);background:var(--surface-2);
  font-size:.78rem;font-weight:700;color:var(--ink-700);display:flex;justify-content:space-between;
}
.week .day-head.today{background:#cffafe;color:var(--brand-700)}
.week .day-body{padding:8px 8px 0;display:flex;flex-direction:column;gap:6px}
.shift-chip{
  display:block;padding:7px 9px;border-radius:var(--radius-sm);font-size:.79rem;
  background:var(--surface-2);border:1px solid var(--line);border-left:3px solid var(--brand-500);
  color:var(--ink-900);line-height:1.35;
}
a.shift-chip:hover{text-decoration:none;box-shadow:var(--shadow-sm);border-color:var(--line-strong)}
.shift-chip .time{font-weight:700;font-variant-numeric:tabular-nums}
.shift-chip .who2{color:var(--ink-500);font-size:.75rem}
.shift-chip.unassigned{border-left-color:var(--warn-600);background:#fffbeb}
.shift-chip.completed{border-left-color:var(--ok-600)}
.shift-chip.cancelled{border-left-color:var(--ink-400);opacity:.6;text-decoration:line-through}
.shift-chip.no_show{border-left-color:var(--bad-600);background:#fef2f2}

/* ---------------------------------------------------------------- misc */
.spark{display:flex;align-items:flex-end;gap:3px;height:56px}
.spark i{flex:1;background:var(--brand-400);border-radius:2px 2px 0 0;min-height:2px;display:block}
.spark i.zero{background:var(--line)}

.meter{height:7px;border-radius:999px;background:var(--line);overflow:hidden;margin-top:5px}
.meter > i{display:block;height:100%;background:var(--brand-500);border-radius:999px}
.meter > i.over{background:var(--bad-600)}
.meter > i.high{background:var(--warn-600)}

.kv{display:grid;grid-template-columns:auto 1fr;gap:6px 16px;font-size:.9rem;align-items:baseline}
.kv dt{color:var(--ink-500);white-space:nowrap}
.kv dd{margin:0;font-weight:550}

.timeline{list-style:none;margin:0;padding:0}
.timeline li{padding:12px 0 12px 18px;border-left:2px solid var(--line);position:relative}
.timeline li::before{
  content:'';position:absolute;left:-5px;top:18px;width:8px;height:8px;border-radius:50%;
  background:var(--brand-500);border:2px solid var(--surface);
}
.timeline li:last-child{border-left-color:transparent}
.timeline .when{font-size:.78rem;color:var(--ink-500)}
.note-text{white-space:pre-wrap;line-height:1.55}

.tabs{display:flex;gap:2px;border-bottom:1px solid var(--line);margin-bottom:16px;overflow-x:auto}
.tabs a{
  padding:9px 14px;font-size:.9rem;font-weight:600;color:var(--ink-500);
  border-bottom:2px solid transparent;white-space:nowrap;
}
.tabs a:hover{color:var(--ink-900);text-decoration:none}
.tabs a.active{color:var(--brand-600);border-bottom-color:var(--brand-600)}

.matrix{font-size:.82rem}
.matrix th.rot{writing-mode:vertical-rl;transform:rotate(180deg);height:150px;padding:8px 4px;text-align:left}
.matrix td.mark{text-align:center;font-weight:700;color:var(--ok-600)}
.matrix td.no{text-align:center;color:var(--line-strong)}

/* ---------------------------------------------------------------- auth pages */
.auth{min-height:100vh;display:grid;place-items:center;padding:24px;
  background:linear-gradient(135deg,var(--brand-900),var(--brand-700) 55%,var(--accent-600))}
.auth .box{width:100%;max-width:430px;background:var(--surface);border-radius:16px;
  box-shadow:0 20px 50px rgba(4,33,47,.35);padding:32px}
.auth .box.wide{max-width:560px}
.auth .brand{display:flex;align-items:center;gap:10px;margin-bottom:20px;font-weight:750;font-size:1.15rem}
.auth .brand .mark{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand-500),var(--accent-600));color:#fff;font-weight:800;font-size:.85rem}
.auth .lede{color:var(--ink-500);margin-bottom:20px;font-size:.92rem}
.auth .alt{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);font-size:.86rem;color:var(--ink-500);text-align:center}

/* ---------------------------------------------------------------- print */
.print-doc{max-width:800px;margin:0 auto;padding:32px;background:#fff;color:#111}
.print-doc .head{display:flex;justify-content:space-between;gap:24px;margin-bottom:28px}
.print-doc h1{font-size:1.6rem;margin:0}
@media print{
  .no-print{display:none!important}
  body{background:#fff}
  .print-doc{padding:0;max-width:none}
}

/* ---------------------------------------------------------------- responsive */
@media(max-width:900px){
  .app{flex-direction:column}
  .sidebar{width:100%;flex:none;height:auto;position:static;flex-direction:column}
  .sidebar nav{display:flex;flex-wrap:wrap;gap:4px;padding:6px 10px 12px;max-height:none}
  .sidebar .nav-group{display:none}
  .sidebar a.nav-item{font-size:.84rem;padding:6px 10px}
  .sidebar .side-foot{display:none}
  .content{padding:16px}
  .topbar{padding:10px 16px;flex-wrap:wrap}
  .who .meta{display:none}
  .week{grid-template-columns:1fr}
  .week .day{min-height:0}
}

/* ---------------------------------------------------------------- dark mode */
@media(prefers-color-scheme:dark){
  :root{
    --ink-900:#e8eef6; --ink-700:#c2cddb; --ink-500:#93a3b8; --ink-400:#7b8a9e;
    --line:#233247; --line-strong:#33455e;
    --bg:#0c1420; --surface:#111c2b; --surface-2:#16233485;
    --accent-100:#312e81; --ok-100:#053e2f; --warn-100:#452c05;
    --bad-100:#4a1112; --info-100:#12275c;
    --shadow-sm:0 1px 2px rgba(0,0,0,.3);
    --shadow-md:0 4px 14px rgba(0,0,0,.4);
  }
  .badge{background:#1c2a3d}
  .badge.ok{color:#6ee7b7;border-color:#065f46}
  .badge.warn{color:#fcd34d;border-color:#78350f}
  .badge.bad{color:#fca5a5;border-color:#7f1d1d}
  .badge.info{color:#93c5fd;border-color:#1e3a8a}
  .badge.brand{background:#0b3a45;color:#67e8f9;border-color:#155e75}
  .badge.muted{background:#1a2536;color:var(--ink-500)}
  .btn{background:#182536;color:var(--ink-700)}
  .btn.danger{background:#1d1416}
  .shift-chip.unassigned{background:#2a2109}
  .shift-chip.no_show{background:#2a1214}
  .week .day-head.today{background:#0b3a45;color:#67e8f9}
  .print-doc{background:#fff;color:#111}
  select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath fill='%2393a3b8' d='M6 8 0 0h12z'/%3E%3C/svg%3E")}
}