/* Asistencia VECTOR + UTN — estilos comunes (marca VECTOR) */
:root{
  --navy:#0D1B3D; --steel:#1E3A5F; --graphite:#4A4F57; --mid:#A7ADB4; --light:#E6E8EB; --white:#FFFFFF;
  --accent:#2D7BFF; --copper:#E07A3F;
  --ok:#1F8A5B; --ok-bg:#E3F4EC; --late:#9A6400; --late-bg:#FBF0D9; --abs:#B3261E; --abs-bg:#FBE4E2;
  --bg:#F3F4F6;
  --display:"Exo 2",system-ui,sans-serif; --body:"Montserrat",system-ui,sans-serif;
  color-scheme:light;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--navy);font-family:var(--body);font-size:15px;line-height:1.5}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
[hidden]{display:none !important}
h1,h2,h3,h4{font-family:var(--display);font-weight:600;margin:0;text-wrap:balance}
.num{font-variant-numeric:tabular-nums}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}

/* Marcas */
.brand{display:flex;align-items:center;gap:10px;color:var(--navy)}
.brand svg{flex:none}
.brand b{font-family:var(--display);font-weight:600;letter-spacing:4px;font-size:18px;line-height:1.1;display:block}
.brand small{display:block;font-size:8.5px;letter-spacing:1.2px;color:var(--graphite);text-transform:uppercase}
.brands{display:flex;align-items:center;gap:14px}
.brands .sep{width:1px;height:30px;background:var(--light);flex:none}
.utn{height:26px;width:auto;display:block}
.brandbar{background:var(--white);padding:12px 16px;border-bottom:1px solid var(--light)}

/* Controles */
label{font-size:12px;font-weight:600;color:var(--graphite);display:block;margin-bottom:6px}
.input{width:100%;border:1.5px solid var(--light);border-radius:8px;padding:11px 12px;background:var(--white);font-size:16px}
.input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(45,123,255,.15)}
.btn{display:inline-flex;justify-content:center;align-items:center;gap:8px;border:1.5px solid var(--navy);border-radius:10px;padding:12px 18px;font-weight:600;background:var(--navy);color:var(--white);cursor:pointer;text-decoration:none}
.btn:hover{background:var(--steel);border-color:var(--steel)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.block{width:100%;font-size:16px;padding:14px}
.btn.ghost{background:var(--white);color:var(--navy)}
.btn.ghost:hover{background:var(--bg)}
.btn.sm{padding:7px 12px;font-size:13px;border-radius:8px}
.btn.danger{background:var(--white);color:var(--abs);border-color:var(--abs)}
.link{border:0;background:none;color:var(--accent);font-weight:600;cursor:pointer;padding:0;font-size:13px}
.hint{font-size:12px;color:var(--graphite);margin:0}
.error{background:var(--abs-bg);color:var(--abs);border-radius:8px;padding:10px 12px;font-size:14px;font-weight:500}
.okmsg{background:var(--ok-bg);color:var(--ok);border-radius:8px;padding:10px 12px;font-size:14px;font-weight:500}

.pill{display:inline-block;border-radius:999px;padding:2px 10px;font-size:12px;font-weight:600;white-space:nowrap;border:0}
.p-presente{background:var(--ok-bg);color:var(--ok)}
.p-tarde{background:var(--late-bg);color:var(--late)}
.p-ausente,.p-sin_marcar{background:var(--abs-bg);color:var(--abs)}
.p-wait{background:var(--light);color:var(--graphite)}
button.pill{cursor:pointer}
button.pill:hover{filter:brightness(.95)}

/* ===== Alumno (celular primero) ===== */
.alumno{max-width:480px;margin:0 auto;min-height:100%;background:var(--white);display:flex;flex-direction:column}
.alumno .head{background:var(--navy);color:var(--white);padding:16px 18px;display:grid;gap:10px}
.alumno .course{font-size:13px;color:#C9CED6}
.alumno .course strong{color:var(--white);font-weight:600;font-size:15px}
.timer{display:flex;align-items:center;justify-content:space-between;gap:10px;background:var(--steel);border-radius:8px;padding:8px 12px;font-size:13px}
.timer strong{font-family:var(--display);font-size:22px;color:var(--white)}
.timer.late{background:#5a3d00}
.alumno .body{padding:18px;display:grid;gap:16px}
.list{border:1.5px solid var(--light);border-radius:8px;overflow:auto;max-height:240px}
.list button{display:flex;justify-content:space-between;width:100%;text-align:left;border:0;border-top:1px solid var(--light);background:var(--white);padding:11px 12px;font-size:15px;cursor:pointer}
.list button:first-child{border-top:0}
.list button:hover{background:var(--bg)}
.list button[aria-selected="true"]{background:#EAF1FF;font-weight:600}
.list button[aria-selected="true"]::after{content:"✓";color:var(--accent)}
.list .empty{padding:12px;color:var(--graphite);font-size:14px}
.chosen{display:flex;justify-content:space-between;align-items:center;gap:10px;border:1.5px solid var(--accent);background:#EAF1FF;border-radius:8px;padding:11px 12px;font-weight:600}
.digits{font-family:var(--display);font-size:26px;font-weight:600;letter-spacing:14px;text-align:center;padding:10px 0 10px 14px}
.secret{-webkit-text-security:disc}
.waiting,.done{padding:36px 22px;display:grid;gap:14px;justify-items:center;text-align:center}
.waiting h2,.done h2{font-size:22px}
.waiting p,.done p{margin:0;color:var(--graphite)}
.check{width:76px;height:76px;border-radius:50%;background:var(--ok-bg);display:grid;place-items:center}
.check.late{background:var(--late-bg)}
.receipt{width:100%;background:var(--bg);border-radius:8px;padding:12px 14px;font-size:14px;display:grid;gap:6px;text-align:left}
.receipt div{display:flex;justify-content:space-between;gap:10px}
.foot{margin-top:auto;padding:14px 18px;text-align:center;font-size:11px;color:var(--mid)}

/* ===== Panel (equipo) ===== */
.login{min-height:100%;display:grid;place-items:center;padding:20px}
.login .card{width:100%;max-width:400px;background:var(--white);border-radius:14px;box-shadow:0 12px 32px rgba(13,27,61,.10);overflow:hidden}
.login .card .in{padding:24px;display:grid;gap:14px}
.login h1{font-size:22px}

.app{display:grid;grid-template-columns:220px 1fr;min-height:100%}
.side{background:var(--navy);color:#C9CED6;padding:20px 14px;display:flex;flex-direction:column;gap:4px}
.side .brand{color:var(--white);margin-bottom:18px}
.side .brand small{color:var(--mid)}
.side nav{display:grid;gap:4px}
.side nav button{all:unset;cursor:pointer;padding:10px 12px;border-radius:6px;font-size:14px}
.side nav button:hover{background:rgba(255,255,255,.06)}
.side nav button[aria-current="page"]{background:var(--steel);color:var(--white);font-weight:600}
.side nav button:focus-visible{outline:3px solid var(--accent)}
.side .me{margin-top:auto;padding:12px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;display:grid;gap:6px}
.side .me strong{color:var(--white)}
.side .me .link{color:#9EC2FF;text-align:left}
.main{min-width:0;display:flex;flex-direction:column}
.topbar{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 24px;background:var(--white);border-bottom:1px solid var(--light)}
.topbar .local{font-size:11px;font-weight:600;letter-spacing:1px;text-transform:uppercase;color:var(--copper);border:1px solid var(--copper);border-radius:4px;padding:2px 8px}
.view{padding:24px;display:grid;gap:20px;align-content:start}
.vhead{display:flex;justify-content:space-between;align-items:flex-end;gap:12px;flex-wrap:wrap}
.vhead h2{font-size:22px}
.vhead p{margin:2px 0 0;color:var(--graphite);font-size:13px}
.actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.card{background:var(--white);border-radius:12px;border:1px solid var(--light);padding:18px}

.regs{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:14px}
.reg{background:var(--white);border:1.5px solid var(--light);border-radius:12px;padding:16px;display:grid;gap:12px;align-content:start}
.reg.open{border-color:var(--navy)}
.reg h3{font-size:17px;display:flex;justify-content:space-between;align-items:center;gap:8px}
.reg p{margin:0;font-size:13px;color:var(--graphite)}
.codebox{background:var(--navy);color:var(--white);border-radius:10px;padding:16px;display:grid;gap:6px;justify-items:center}
.codebox .lbl{font-size:11px;letter-spacing:1.5px;text-transform:uppercase;color:var(--mid)}
.codebox .code{font-family:var(--display);font-weight:700;font-size:56px;letter-spacing:12px;line-height:1;padding-left:12px}
.codebox .t{font-size:13px;color:#C9CED6}

.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px}
.tile{background:var(--white);border:1px solid var(--light);border-radius:10px;padding:12px 14px}
.tile span{font-size:12px;color:var(--graphite)}
.tile strong{display:block;font-family:var(--display);font-size:26px;font-variant-numeric:tabular-nums}
.tile.warn{border-color:var(--copper);background:#FDF2EB}

.tbl{overflow-x:auto;background:var(--white);border:1px solid var(--light);border-radius:12px}
table{width:100%;border-collapse:collapse;font-size:14px;min-width:560px}
th{text-align:left;font-size:11px;letter-spacing:1px;text-transform:uppercase;color:var(--graphite);font-weight:600;padding:10px 12px;border-bottom:2px solid var(--light);background:var(--white)}
td{padding:10px 12px;border-bottom:1px solid var(--light);vertical-align:middle}
tr:last-child td{border-bottom:0}
tr.alert td{background:#FDF2EB}
.flag{display:block;font-size:12px;color:#A3501E;font-weight:600}
.sub{display:block;font-size:11px;color:var(--graphite)}
.pct{display:flex;align-items:center;gap:8px}
.pct i{display:block;height:6px;border-radius:3px;background:var(--light);width:70px;overflow:hidden}
.pct i b{display:block;height:100%;background:var(--steel)}
.pct.low i b{background:var(--abs)}
.pct.low span{color:var(--abs);font-weight:600}
.inactive td{color:var(--mid)}

.form-row{display:grid;grid-template-columns:2fr 1fr auto;gap:10px;align-items:end}
textarea.input{min-height:160px;font-family:ui-monospace,Consolas,monospace;font-size:14px}

/* Menú para corregir */
.menu{position:fixed;z-index:50;background:var(--white);border:1px solid var(--light);border-radius:10px;box-shadow:0 12px 28px rgba(13,27,61,.18);padding:6px;display:grid;min-width:170px}
.menu button{all:unset;cursor:pointer;padding:9px 12px;border-radius:6px;font-size:14px}
.menu button:hover,.menu button:focus-visible{background:var(--bg)}
.menu .t{font-size:11px;color:var(--graphite);padding:6px 12px 4px}

/* Diálogo */
.overlay{position:fixed;inset:0;background:rgba(13,27,61,.45);display:grid;place-items:center;padding:16px;z-index:60}
.dialog{background:var(--white);border-radius:14px;width:100%;max-width:440px;padding:22px;display:grid;gap:14px}
.dialog h3{font-size:19px}

/* Pantalla completa del código */
.full{position:fixed;inset:0;background:var(--navy);color:var(--white);z-index:70;display:flex;flex-direction:column}
.full .brandbar{display:flex;justify-content:space-between;align-items:center}
.full .in{flex:1;display:grid;place-content:center;justify-items:center;gap:22px;padding:24px;text-align:center}
.full .lbl{font-size:14px;letter-spacing:2px;text-transform:uppercase;color:var(--mid)}
.full .code{font-family:var(--display);font-weight:700;font-size:min(26vw,220px);letter-spacing:.12em;line-height:1;padding-left:.12em}
.full .meta{display:flex;gap:40px;font-size:16px;color:#C9CED6}
.full .meta strong{display:block;font-family:var(--display);font-size:36px;color:var(--white)}
.full .line{height:3px;width:64px;background:var(--copper)}

.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:var(--navy);color:var(--white);padding:10px 18px;border-radius:999px;font-size:14px;z-index:80;box-shadow:0 8px 20px rgba(0,0,0,.2)}

@media (max-width:820px){
  .app{grid-template-columns:1fr}
  .side{flex-direction:row;flex-wrap:wrap;align-items:center;padding:12px}
  .side .brand{margin:0 12px 0 0}
  .side nav{display:flex;flex-wrap:wrap}
  .side .me{margin:0;border:0;padding:6px;flex-direction:row}
  .view{padding:16px}
  .topbar{padding:10px 16px}
  .form-row{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){*{transition:none !important;animation:none !important}}