:root{
  --ink:#1c2b36; --ink-2:#2a3d4c; --muted:#5c6f7e;
  --bg:#f2f4f6; --surface:#ffffff; --line:#dde4e9;
  --accent:#e8622c; --accent-dark:#c24e1f;
  --ok:#2f7d4f; --ok-bg:#e6f3ec; --err:#b3372f; --err-bg:#fbeae8;
  --warn-bg:#fdf3e7;
  --r:10px;
  font-size:15px;
}
*{box-sizing:border-box}
body{margin:0;font-family:'Inter',system-ui,sans-serif;background:var(--bg);color:var(--ink)}
h1,h2,h3,.brand-name{font-family:'Archivo',sans-serif}
a{color:var(--accent-dark)}

.layout{display:flex;min-height:100vh}
.sidebar{width:230px;background:var(--ink);color:#e8edf1;display:flex;flex-direction:column;flex-shrink:0}
.brand{padding:22px 20px 14px}
.logo-box{background:#fff;border-radius:10px;padding:10px 12px}
.logo-box img{width:100%;display:block}
.brand-sub{color:#c7d2da;font-size:.76rem;font-weight:600;letter-spacing:.04em;
  margin-top:10px;text-transform:uppercase;line-height:1.4}
.brand-name{font-weight:800;font-size:1.15rem;letter-spacing:.02em;color:#fff}
.brand-name span{display:block;color:var(--accent);font-size:.85rem;font-weight:700;letter-spacing:.14em}
.hazard{height:5px;margin-top:12px;border-radius:3px;
  background:repeating-linear-gradient(-45deg,var(--accent) 0 8px,var(--ink-2) 8px 16px)}
.sidebar nav{display:flex;flex-direction:column;padding:8px 10px;gap:2px}
.sidebar nav a{color:#c7d2da;text-decoration:none;padding:9px 12px;border-radius:7px;
  font-weight:500;border-left:3px solid transparent}
.sidebar nav a:hover{background:var(--ink-2);color:#fff}
.sidebar nav a.act{background:var(--ink-2);color:#fff;border-left-color:var(--accent)}
.sidebar-foot{margin-top:auto;padding:16px 20px;border-top:1px solid var(--ink-2);font-size:.85rem}
.who small{color:#8fa2af}
.logout{display:inline-block;margin-top:8px;color:var(--accent);text-decoration:none;font-weight:600}

.content{flex:1;padding:28px 34px;max-width:1200px}
.page-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:20px;flex-wrap:wrap}
.page-head h1{margin:0;font-size:1.45rem}
.page-head .sub{color:var(--muted);margin-top:4px;font-size:.9rem}

.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-bottom:22px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px}
.card .num{font-family:'Archivo';font-size:1.9rem;font-weight:800}
.card .lbl{color:var(--muted);font-size:.82rem;margin-top:2px}

.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px 22px;margin-bottom:20px}
.panel h2{margin:0 0 14px;font-size:1.05rem}

table{width:100%;border-collapse:collapse;font-size:.88rem}
th{text-align:left;color:var(--muted);font-weight:600;font-size:.76rem;text-transform:uppercase;
  letter-spacing:.05em;padding:8px 10px;border-bottom:2px solid var(--line)}
td{padding:9px 10px;border-bottom:1px solid var(--line);vertical-align:middle}
tr:hover td{background:#f8fafb}
.mono{font-family:ui-monospace,monospace;font-size:.84rem;letter-spacing:.03em}

.chip{display:inline-block;padding:3px 10px;border-radius:999px;font-size:.75rem;font-weight:600}
.chip.open{background:var(--ok-bg);color:var(--ok)}
.chip.closed{background:#eceff2;color:var(--muted)}
.chip.soon{background:var(--warn-bg);color:#9a6011}
.chip.si{background:var(--ok-bg);color:var(--ok)}
.chip.no{background:var(--err-bg);color:var(--err)}
.chip.pend{background:#eceff2;color:var(--muted)}
.chip.warn{background:#fdeee6;color:#b34a12;border:1px solid #f0c9b2}
.chip.warn{background:#fdeee5;color:var(--accent-dark)}

form.inline{display:inline}
.grid-form{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px}
label{display:block;font-size:.78rem;font-weight:600;color:var(--muted);margin-bottom:4px}
input,select,textarea{width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:7px;
  font:inherit;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--accent)}

.btn{display:inline-block;background:var(--accent);color:#fff;border:none;padding:9px 18px;
  border-radius:7px;font:inherit;font-weight:600;cursor:pointer;text-decoration:none}
.btn:hover{background:var(--accent-dark)}
.btn.sec{background:var(--ink);color:#fff}
.btn.sec:hover{background:var(--ink-2)}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn.ghost:hover{border-color:var(--ink)}
.btn.sm{padding:5px 12px;font-size:.8rem}
.btn.danger{background:transparent;color:var(--err);border:1px solid var(--line)}
.btn.danger:hover{background:var(--err-bg);border-color:var(--err)}

.flash{padding:11px 16px;border-radius:8px;margin-bottom:14px;font-weight:500;font-size:.9rem}
.flash.ok{background:var(--ok-bg);color:var(--ok);border:1px solid #bfdccb}
.flash.error{background:var(--err-bg);color:var(--err);border:1px solid #ecc6c2}

.filters{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end;margin-bottom:16px}
.filters > div{min-width:150px}
.empty{color:var(--muted);padding:26px;text-align:center;font-size:.9rem}
.help{color:var(--muted);font-size:.8rem;margin-top:6px}

/* Calendario */
.cal{table-layout:fixed}
.cal th{text-align:center;padding:6px 4px}
.cal td.cal-day{vertical-align:top;height:86px;padding:5px 6px;border:1px solid var(--line);
  background:#fff}
.cal td.cal-off{background:#f4f6f8}
.cal td.cal-off .cal-num{color:#b6c2cb}
.cal td.cal-today{outline:2px solid var(--accent);outline-offset:-2px;background:#fff8f4}
.cal .cal-num{font-size:.78rem;font-weight:700;color:var(--muted);margin-bottom:3px}
.cal-ev{display:block;background:var(--ink);color:#fff;border-left:3px solid var(--accent);
  border-radius:4px;padding:2px 6px;margin-bottom:3px;font-size:.68rem;font-weight:600;
  text-decoration:none;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cal-ev:hover{background:var(--ink-2)}

/* KPIs y gráficas */
.seg{display:inline-flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.seg button{border:none;background:#fff;padding:7px 16px;font:inherit;font-weight:600;
  color:var(--muted);cursor:pointer;border-right:1px solid var(--line)}
.seg button:last-child{border-right:none}
.seg button.on{background:var(--ink);color:#fff}
.chart-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:16px}
.chart-box{background:#fff;border:1px solid var(--line);border-radius:var(--r);
  padding:14px 16px;height:280px;display:flex;flex-direction:column}
.chart-box.wide{grid-column:1/-1}
.chart-box h3{margin:0 0 8px;font-size:.85rem;color:var(--muted);font-weight:600}
.chart-box canvas{flex:1;min-height:0}
.aviso{background:var(--warn-bg);border:1px solid #ecd3ab;border-left:4px solid var(--accent);
  border-radius:8px;padding:12px 16px;margin-bottom:16px;font-size:.9rem;line-height:1.6}

/* Calendario de instructores */
.ical{border-collapse:collapse}
.ical th,.ical td{border:1px solid var(--line);padding:3px}
.ical .ical-nombre{text-align:left;padding:6px 10px;white-space:nowrap;min-width:170px;
  position:sticky;left:0;background:#fff;z-index:1}
.ical th.ical-nombre{background:#fff}
.ical .ical-carga{text-align:center;padding:4px 8px;background:#f8fafb}
.ical th.ical-dia{text-align:center;font-size:.68rem;padding:4px 2px;min-width:26px;color:var(--muted)}
.ical .ical-sem{font-weight:400;color:#9db0bc}
.ical td.ical-cel{width:26px;height:30px;text-align:center;padding:2px}
.ical .ical-finde{background:#f4f6f8}
.ical .ical-hoy{outline:2px solid var(--accent);outline-offset:-2px}
.ical-oc{display:block;width:100%;height:24px;line-height:24px;background:var(--accent);
  border-radius:4px;color:#fff;font-size:.7rem;font-weight:700;text-decoration:none}
.ical-oc:hover{background:var(--accent-dark)}
.ical-oc.ical-multi{background:var(--accent-dark)}
.ical-oc.ical-sin{background:var(--err)}

/* Modo kiosco (pase de lista en tablet) */
body.kiosco{background:var(--bg)}
.k-head{background:var(--ink);color:#fff;padding:16px 22px;display:flex;
  justify-content:space-between;align-items:center;gap:12px}
.k-curso{font-family:'Archivo';font-weight:800;font-size:1.15rem;line-height:1.3}
.k-sub{color:#a9b9c4;font-size:.85rem;margin-top:2px}
.k-lock{font-size:1.3rem;text-decoration:none;opacity:.7;padding:8px}
.k-lock:hover{opacity:1}
.k-main{max-width:760px;margin:0 auto;padding:20px 16px 40px}
.k-instruccion{font-size:1.05rem;margin-bottom:14px;display:flex;
  justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.k-avance{background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:5px 14px;font-size:.85rem;font-weight:600;color:var(--muted)}
.k-buscador{width:100%;padding:14px 16px;font-size:1.05rem;border:2px solid var(--line);
  border-radius:12px;margin-bottom:14px}
.k-buscador:focus{outline:none;border-color:var(--accent)}
.k-lista{display:flex;flex-direction:column;gap:8px;margin-bottom:20px}
.k-persona{display:flex;justify-content:space-between;align-items:center;gap:12px;
  background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 18px;
  text-decoration:none;color:var(--ink)}
.k-persona:active{background:#f2f5f7}
.k-persona.ok{border-color:#bfdccb;background:var(--ok-bg)}
.k-nombre{font-weight:700;font-size:1.05rem}
.k-empresa{color:var(--muted);font-size:.83rem;margin-top:2px}
.k-estado{font-size:1.4rem;font-weight:800;color:var(--muted)}
.k-persona.ok .k-estado{color:var(--ok)}
.k-btn{display:block;width:100%;background:var(--accent);color:#fff;border:none;
  padding:16px 20px;border-radius:12px;font:inherit;font-weight:700;font-size:1.05rem;
  cursor:pointer;text-align:center;text-decoration:none;margin-top:12px}
.k-btn:active{background:var(--accent-dark)}
.k-btn-sec{background:var(--ink)}
.k-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px 22px;margin:0 auto}
.k-centro{text-align:center;max-width:520px}
.k-titulo{font-size:1.25rem;margin:0 0 6px}
.k-nota{color:var(--muted);font-size:.92rem;margin:0 0 16px}
.k-datos{display:flex;flex-direction:column;gap:12px;margin-bottom:18px}
.k-datos > div{display:flex;flex-direction:column;border-bottom:1px solid var(--line);padding-bottom:10px}
.k-datos span{font-size:.76rem;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.04em}
.k-datos strong{font-size:1.1rem;margin-top:2px}
.k-label{display:block;font-size:.82rem;font-weight:600;color:var(--muted);margin:14px 0 5px}
.k-input{width:100%;padding:14px;font-size:1.05rem;border:2px solid var(--line);border-radius:10px}
.k-input:focus{outline:none;border-color:var(--accent)}
.k-pin{text-align:center;font-size:1.6rem;letter-spacing:.4em}
.k-volver{display:inline-block;margin-bottom:14px;color:var(--muted);text-decoration:none;font-weight:600}
.k-palomota{width:84px;height:84px;border-radius:50%;background:var(--ok-bg);color:var(--ok);
  font-size:2.6rem;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 14px}

/* Login */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--ink)}
.login-box{background:var(--surface);border-radius:14px;padding:36px 34px;width:380px;max-width:92vw}
.login-box .hazard{margin:14px 0 22px}
.login-box h1{margin:0;font-size:1.3rem}
.login-box .brand-name span{display:inline;margin-left:6px}

@media(max-width:760px){
  .layout{flex-direction:column}
  .sidebar{width:100%;flex-direction:row;align-items:center;flex-wrap:wrap}
  .sidebar nav{flex-direction:row;flex-wrap:wrap}
  .sidebar-foot{margin-top:0;border-top:none;margin-left:auto}
  .content{padding:18px}
}