:root{
  --petrol-950:#0a0c13;
  --petrol-900:#10131c;
  --petrol-800:#171a26;
  --card-bg:#171a26;
  --card-bg-hover:#1d2130;
  --stone-50:#0b0d15;
  --stone-100:#171a26;
  --stone-200:#262a3a;
  --accent:#3b82f6;
  --accent-hover:#2563eb;
  --accent-soft:rgba(59,130,246,.16);
  --ink:#f2f3f7;
  --text-muted:#9199ad;
  --text-faint:#5c6478;
  --ok-green:#22c55e;
  --danger:#ef4444;
  --half-sand:#eab308;
  --rest-blue:#60a5fa;
  --plum:#a78bfa;
  --gray:#8b90a3;
  --radius:8px;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box;}
html,body{height:100%;margin:0;}
body{font-family:var(--sans);background:var(--stone-50);color:var(--ink);-webkit-font-smoothing:antialiased;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;}
a{color:inherit;}

/* ---- Login ---- */
#login-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--petrol-950);padding:24px;}
.login-card{width:100%;max-width:400px;background:var(--card-bg);border:1px solid var(--stone-200);border-radius:10px;padding:40px 36px 32px;box-shadow:0 30px 60px -20px rgba(0,0,0,.5);}
.login-mark{font-size:14px;letter-spacing:.14em;color:var(--accent);margin-bottom:4px;}
.login-title{font-size:28px;font-weight:700;margin:2px 0 6px;}
.login-sub{font-size:13px;color:var(--text-muted);margin-bottom:24px;}
.field-label{display:block;font-size:11.5px;color:var(--text-muted);margin-bottom:6px;}
.login-card input{width:100%;padding:11px 12px;border:1px solid var(--stone-200);border-radius:8px;background:var(--stone-50);color:var(--ink);font-size:14px;margin-bottom:16px;}
.login-card input:focus{outline:none;border-color:var(--accent);}
.login-error{color:var(--danger);font-size:12.5px;margin:-6px 0 6px;min-height:16px;}
.login-submit{width:100%;padding:12px;background:var(--accent);color:#fff;border:none;border-radius:8px;font-size:13.5px;font-weight:600;}
.login-submit:hover{background:var(--accent-hover);}
.login-note{margin-top:20px;font-size:11px;color:var(--text-faint);line-height:1.6;border-top:1px solid var(--stone-200);padding-top:14px;}

/* ---- App shell ---- */
#app-screen{display:none;min-height:100vh;}
#app-screen.active{display:flex;flex-direction:row;}
.sidebar{width:230px;flex-shrink:0;background:var(--petrol-900);border-right:1px solid var(--stone-200);display:flex;flex-direction:column;min-height:100vh;position:sticky;top:0;}
.sidebar-brand{padding:22px;border-bottom:1px solid var(--stone-200);}
.sidebar-brand .name{font-weight:700;font-size:17px;}
.sidebar-brand .tag{font-size:10px;color:var(--accent);letter-spacing:.08em;}
nav.tabs{display:flex;flex-direction:column;gap:2px;padding:14px 12px;flex:1;}
nav.tabs button{background:transparent;border:none;color:var(--text-muted);padding:11px 14px;font-size:13.5px;text-align:left;border-radius:7px;border-left:3px solid transparent;}
nav.tabs button.active{color:var(--ink);background:var(--card-bg-hover);border-left-color:var(--accent);font-weight:600;}
nav.tabs button:hover:not(.active){color:var(--ink);background:var(--card-bg);}
nav.tabs button[hidden]{display:none;}
.sidebar-footer{padding:16px 20px 20px;border-top:1px solid var(--stone-200);display:flex;flex-direction:column;gap:10px;}
.home-link{display:flex;align-items:center;gap:8px;color:var(--text-muted);text-decoration:none;font-size:12.5px;padding:6px 4px;border-radius:6px;}
.home-link:hover{color:var(--ink);background:var(--card-bg-hover);}
.sidebar-user-row{display:flex;align-items:center;justify-content:space-between;gap:8px;}
#user-avatar-wrap{position:relative;width:30px;height:30px;border-radius:50%;cursor:pointer;overflow:hidden;background:var(--card-bg-hover);display:flex;align-items:center;justify-content:center;border:1px solid var(--stone-200);flex-shrink:0;}
#user-avatar{width:100%;height:100%;object-fit:cover;display:none;}
#user-avatar.has-img{display:block;}
.role-pill{background:var(--accent-soft);color:var(--accent);padding:4px 11px;border-radius:20px;font-size:11px;}
#logout-btn{background:transparent;border:1px solid var(--stone-200);color:var(--ink);padding:8px 14px;border-radius:6px;font-size:12.5px;}
#logout-btn:hover{background:var(--card-bg-hover);}

.main-col{flex:1;min-width:0;display:flex;flex-direction:column;}
header.topbar{padding:22px 28px 4px;}
.topbar-date{font-size:12.5px;color:var(--text-muted);}
.topbar-greeting{font-size:22px;font-weight:700;}
.controls-bar{background:var(--card-bg);border-bottom:1px solid var(--stone-200);padding:14px 24px;display:flex;align-items:flex-end;gap:20px;flex-wrap:nowrap;overflow-x:auto;}
.ctrl{display:flex;flex-direction:column;gap:5px;flex-shrink:0;}
.ctrl label{font-size:10.5px;color:var(--text-muted);}
.ctrl select,.ctrl input{padding:8px 10px;border:1px solid var(--stone-200);border-radius:8px;font-size:13px;background:var(--card-bg);color:var(--ink);min-width:115px;}
main{flex:1;padding:22px 24px 60px;overflow-x:auto;}
.panel{display:none;}
.panel.active{display:block;}
.section-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:14px;flex-wrap:wrap;gap:10px;}
.section-head h2{font-size:20px;font-weight:700;margin:0;}
.meta{font-size:12px;color:var(--text-muted);}

.btn{padding:9px 16px;border-radius:8px;border:1px solid var(--accent);background:var(--accent);color:#fff;font-size:12.5px;font-weight:600;}
.btn:hover{background:var(--accent-hover);}
.btn.ghost{background:var(--card-bg);color:var(--ink);border-color:var(--stone-200);}
.btn.ghost:hover{background:var(--card-bg-hover);}
.btn.small{padding:6px 12px;font-size:11.5px;}
.btn.danger{background:var(--danger);border-color:var(--danger);}
.btn:disabled{opacity:.4;cursor:not-allowed;}

table.grid{border-collapse:collapse;width:100%;background:var(--card-bg);font-size:12.5px;}
table.grid th,table.grid td{border:1px solid var(--stone-200);padding:0;text-align:center;}
table.grid th{background:var(--stone-100);font-weight:600;font-size:11px;padding:8px 4px;}
table.grid th.name-col,table.grid td.name-col{text-align:left;padding:8px 10px;min-width:170px;position:sticky;left:0;background:var(--stone-100);z-index:2;}
table.grid td.name-col{background:var(--card-bg);font-weight:500;}
table.grid td.day-cell{width:32px;height:34px;cursor:pointer;font-weight:600;color:#fff;user-select:none;}
table.grid td.day-cell.readonly{cursor:default;}
.st-empty{background:var(--card-bg);color:var(--text-faint);}
.st-P{background:var(--ok-green);}
.st-H{background:var(--half-sand);color:#1a1a1a;}
.st-R{background:var(--rest-blue);}
.st-M{background:var(--danger);}
.st-A{background:var(--gray);}
.st-F{background:var(--plum);}
.turno-cell{padding:0;min-width:66px;}
.turno-input{width:100%;border:1px solid transparent;background:transparent;text-align:center;font-size:11px;padding:8px 3px;color:var(--ink);}
.turno-input:focus{border-color:var(--accent);background:var(--card-bg);outline:none;}
.turno-cell.is-rip{background:rgba(96,165,250,.18);}
.turno-cell.is-ferie{background:rgba(167,139,250,.18);}
.turno-cell.is-error{background:rgba(239,68,68,.14);}

.roster-table{width:100%;border-collapse:collapse;background:var(--card-bg);font-size:13px;}
.roster-table th{text-align:left;background:var(--stone-100);padding:9px 12px;font-size:11px;font-weight:600;border-bottom:1px solid var(--stone-200);}
.roster-table td{padding:9px 12px;border-bottom:1px solid var(--stone-100);}
.roster-table tr:hover td{background:var(--card-bg-hover);}
.tag-chip{display:inline-block;padding:2px 9px;border-radius:20px;font-size:10.5px;background:var(--stone-100);color:var(--ink);}
.status-active{color:var(--ok-green);font-weight:600;}
.status-inactive{color:var(--text-faint);}
.roster-table tr.po-row td{border-top:3px solid var(--half-sand);border-bottom:3px solid var(--half-sand);}

.trend-badge{display:inline-flex;align-items:center;gap:3px;font-size:11px;font-weight:700;padding:3px 9px;border-radius:20px;}
.trend-badge.up{background:rgba(34,197,94,.15);color:var(--ok-green);}
.trend-badge.down{background:rgba(239,68,68,.15);color:var(--danger);}
.stat-sub{font-size:11px;color:var(--text-faint);margin-top:6px;}
.trend-chart{background:var(--card-bg);border:1px solid var(--stone-200);border-radius:10px;padding:20px 22px;margin-top:20px;}
.trend-chart-title{font-size:12.5px;color:var(--text-muted);margin-bottom:18px;}
.trend-bars{display:flex;align-items:flex-end;gap:14px;height:150px;}
.trend-bar-col{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;}
.trend-bar{width:100%;max-width:38px;background:var(--ok-green);border-radius:5px 5px 2px 2px;min-height:4px;transition:height .4s ease;}
.trend-bar.current{background:var(--accent);}
.trend-bar-value{font-size:10px;color:var(--text-faint);margin-bottom:6px;white-space:nowrap;}
.trend-bar-label{font-size:10.5px;color:var(--text-muted);margin-top:8px;}

.modal-overlay{display:none;position:fixed;inset:0;background:rgba(10,12,19,.6);align-items:center;justify-content:center;z-index:50;padding:20px;}
.modal-overlay.active{display:flex;}
.modal{background:var(--card-bg);border:1px solid var(--stone-200);width:100%;max-width:520px;border-radius:10px;padding:28px;max-height:90vh;overflow-y:auto;}
.modal h3{font-size:19px;margin:0 0 18px;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.form-grid .full{grid-column:1/-1;}
.form-field label{display:block;font-size:11px;color:var(--text-muted);margin-bottom:5px;}
.form-field input,.form-field select{width:100%;padding:9px 10px;border:1px solid var(--stone-200);border-radius:8px;font-size:13px;background:var(--stone-50);color:var(--ink);}
.modal-actions{display:flex;justify-content:space-between;gap:10px;margin-top:22px;}
.modal-actions .right{display:flex;gap:10px;margin-left:auto;}
.checkbox-field{display:flex;align-items:center;gap:8px;}
.checkbox-field input{width:auto;}
.hint-text{font-size:11.5px;color:var(--text-muted);margin:6px 0 0;line-height:1.5;}
.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted);font-size:13.5px;background:var(--card-bg);border:1px dashed var(--stone-200);}
.loading-inline{padding:40px;text-align:center;color:var(--text-muted);font-size:13px;}
.toast{position:fixed;bottom:24px;right:24px;background:var(--petrol-950);border:1px solid var(--stone-200);color:#fff;padding:12px 20px;border-radius:8px;font-size:12.5px;box-shadow:0 10px 30px rgba(0,0,0,.35);z-index:100;opacity:0;transform:translateY(8px);transition:all .25s ease;pointer-events:none;}
.toast.show{opacity:1;transform:translateY(0);}