:root{
  --azul-fondo:#123f6f;
  --azul-fondo-claro:#1f5f9c;
  --azul-boton:#1264d8;
  --azul-boton-oscuro:#0d56bd;
  --azul-foco:#2574ff;
  --bg:#f3f6fa;
  --card:#fbfcfe;
  --text:#10264a;
  --muted:#5f6f86;
  --line:#cbd7e6;
  --soft:#eaf3ff;
  --ok:#067647;
  --ok-soft:#ecfdf3;
  --warn:#8a5a00;
  --warn-soft:#fff7e6;
  --danger:#b42318;
  --shadow:0 14px 36px rgba(20,45,75,.09);
  --shadow-strong:0 24px 60px rgba(4,30,61,.14);
  --radius:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  min-height:100vh;
  background:
    radial-gradient(circle at 78% 8%, rgba(31,95,156,.12), transparent 32%),
    linear-gradient(135deg,#f8fbff 0%,var(--bg) 72%,#edf4fb 100%);
  color:var(--text);
  font-family:Inter, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  line-height:1.38;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--azul-boton);text-decoration:none;font-weight:750}
.wrap{width:min(1160px, calc(100% - 28px));margin:0 auto}
.hero{
  position:relative;
  overflow:hidden;
  background:
    radial-gradient(circle at 80% 15%, rgba(71,137,198,.24), transparent 32%),
    linear-gradient(135deg,#0d3159 0%,#123f6f 55%,#1f5f9c 100%);
  color:#fff;
  border-bottom:1px solid rgba(255,255,255,.16);
  padding:18px 0;
  box-shadow:0 18px 42px rgba(4,30,61,.14);
}
.hero::after{content:"";position:absolute;right:-22vw;bottom:-34vh;width:68vw;height:80vh;background:rgba(242,245,251,.92);transform:rotate(-43deg);transform-origin:center;pointer-events:none}
.hero-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;gap:14px;min-width:0}
.brand-logo{width:64px;height:64px;border-radius:17px;background:#fff;display:grid;place-items:center;box-shadow:0 12px 30px rgba(4,30,61,.24);overflow:hidden;flex:0 0 auto;border:1px solid rgba(255,255,255,.65)}
.brand-logo img{max-width:54px;max-height:54px;display:block;object-fit:contain}
h1{margin:0;font-size:clamp(1.45rem,2.5vw,2.1rem);letter-spacing:-.04em;color:#fff;font-weight:780;line-height:1.12}
.hero p{margin:.28rem 0 0;color:#d9e7f7;font-size:.95rem}.pill{background:rgba(255,255,255,.95);border:1px solid rgba(255,255,255,.72);border-radius:999px;padding:8px 12px;color:#123f6f;font-weight:850;white-space:nowrap;font-size:.88rem;box-shadow:0 8px 20px rgba(4,30,61,.12)}
main{padding:18px 0 30px}.card{background:rgba(251,252,254,.98);border:1px solid rgba(203,215,230,.90);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px;margin-bottom:14px}.student-start{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(240px,.55fr);gap:16px;align-items:start}.student-start h2{margin:0 0 5px;font-size:1.36rem;letter-spacing:-.028em;color:#08204a;font-weight:780}.student-start p{margin:0;color:var(--muted);font-size:.94rem}.help-box{background:linear-gradient(180deg,#ffffff,#f7fbff);border:1px solid #cfe1f5;border-radius:16px;padding:13px;color:#173b64;font-size:.9rem;box-shadow:0 8px 18px rgba(20,45,75,.05)}.help-box strong{display:block;margin-bottom:4px;color:#123b68}.help-list{margin:8px 0 0;padding-left:18px;color:#234d77}.help-list li{margin:3px 0}.main-search{display:grid;grid-template-columns:minmax(220px,1fr) auto;gap:10px;align-items:end;margin-top:14px}
label{display:block;font-weight:800;margin-bottom:5px;color:#263d60;font-size:.87rem}select,input{width:100%;border:1px solid #c7d6e8;border-radius:12px;background:#fff;color:var(--text);font-size:.95rem;padding:10px 11px;min-height:42px;outline:none;transition:border-color .16s ease,box-shadow .16s ease}select:focus,input:focus{border-color:var(--azul-foco);box-shadow:0 0 0 4px rgba(37,116,255,.13)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:42px;padding:10px 14px;border:0;border-radius:12px;background:linear-gradient(180deg,#176ee5 0%,#1264d8 58%,#0d56bd 100%);color:#fff!important;font-weight:850;text-decoration:none;cursor:pointer;box-shadow:0 10px 20px rgba(18,100,216,.18);white-space:nowrap}.btn:hover{filter:brightness(1.04);transform:translateY(-1px)}.btn.secondary{background:#fff;color:#123f6f!important;border:1px solid #bfd0e5;box-shadow:0 6px 14px rgba(20,45,75,.06)}.quick-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.advanced{margin-top:12px;border:1px solid var(--line);border-radius:15px;background:#fff;overflow:hidden}.advanced summary{cursor:pointer;padding:12px 13px;font-weight:850;color:#123f6f;list-style:none}.advanced summary::-webkit-details-marker{display:none}.advanced summary::after{content:"+";float:right;font-weight:900}.advanced[open] summary{border-bottom:1px solid var(--line);background:#f7fbff}.advanced[open] summary::after{content:"–"}.filter-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;padding:13px}.filter-grid .wide{grid-column:span 2}.filter-grid .buttons{grid-column:span 2;display:flex;gap:8px;align-items:end;justify-content:flex-end}.print-header,.print-footer{display:none}.status-row{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:10px}.status-row h2{margin:0;color:#08204a;font-size:1.2rem}.result-count{margin-top:2px;color:var(--muted);font-size:.9rem;font-weight:700}.chips{display:flex;gap:7px;flex-wrap:wrap;justify-content:flex-end}.chip{display:inline-flex;align-items:center;max-width:300px;min-height:28px;padding:5px 9px;border-radius:999px;background:#eaf3ff;color:#123f6f;border:1px solid #cfe1f5;font-size:.78rem;font-weight:800;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.date-group{margin-top:10px}.date-heading{display:flex;align-items:center;gap:9px;margin:14px 0 8px;padding:8px 10px;background:#f7fbff;border:1px solid var(--line);border-radius:14px;color:#10264a;font-size:.95rem;font-weight:800}.date-badge{display:inline-flex;align-items:center;justify-content:center;min-width:78px;border-radius:999px;padding:5px 8px;background:#eaf3ff;color:#123f6f;font-size:.78rem;font-weight:900}.date-badge.today{background:var(--ok-soft);color:var(--ok);border:1px solid #abefc6}.date-badge.past{background:#f3f4f6;color:#6b7280}.exam-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.exam-card{position:relative;min-width:0;border:1px solid #d7e3f0;background:#fff;border-radius:15px;padding:10px 11px;box-shadow:0 8px 18px rgba(20,45,75,.06);overflow:hidden}.exam-card.today{border-color:#abefc6;background:linear-gradient(180deg,#ffffff,#f8fffb)}.exam-card.past{opacity:.78}.exam-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:#1264d8}.exam-card.today::before{background:#067647}.exam-card.past::before{background:#94a3b8}.exam-top{display:grid;grid-template-columns:auto minmax(0,1fr);align-items:start;gap:8px;margin-bottom:7px}.time{font-size:1.28rem;line-height:1;font-weight:900;letter-spacing:-.04em;color:#08204a;white-space:nowrap}.group-badge{justify-self:end;max-width:100%;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;overflow-wrap:anywhere;line-height:1.04;text-align:right;border-radius:10px;padding:5px 7px;background:#f0f6ff;color:#123f6f;border:1px solid #d5e6fb;font-size:.74rem;font-weight:900}.subject{margin:0;color:#10264a;font-size:.98rem;line-height:1.15;font-weight:850;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;overflow-wrap:anywhere}.obs{margin-top:7px;padding-top:7px;border-top:1px solid #e5eef8;color:#4b5f78;font-size:.8rem;line-height:1.25;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.obs strong{color:#263d60}.empty{padding:28px 16px;text-align:center;background:#f7fbff;border:1px dashed #cbd7e6;border-radius:16px}.empty h2{margin:0 0 5px;color:#08204a}.empty p{margin:0;color:var(--muted)}.notice{background:#fff7e6;border:1px solid #f1d78a;color:#6f4f08;border-radius:15px;padding:12px 14px;font-size:.9rem;margin-bottom:16px}footer{color:#6b7a90;text-align:center;font-size:.82rem;padding:18px 0 24px}.alert-error{border-color:#f4c7c3;background:#fff0ee;color:#b42318}.small{font-size:.82rem;color:#6b7280;overflow-wrap:anywhere}
@media(max-width:980px){.student-start{grid-template-columns:1fr}.exam-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.filter-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.filter-grid .wide,.filter-grid .buttons{grid-column:span 2}.hero-inner{align-items:flex-start}.pill{font-size:.78rem}}
@media(max-width:650px){.wrap{width:min(100% - 20px,1160px)}.hero{padding:14px 0}.hero::after{right:-70vw;bottom:-36vh;width:130vw;height:78vh}.hero-inner{display:block}.brand-logo{width:56px;height:56px;border-radius:15px}.brand-logo img{max-width:47px;max-height:47px}.brand{gap:11px}.pill{display:inline-flex;margin-top:12px}.student-start{gap:12px}.main-search{grid-template-columns:1fr}.btn{width:100%}.quick-actions .btn{width:auto;flex:1 1 calc(50% - 8px);font-size:.84rem;padding-left:10px;padding-right:10px}.filter-grid{grid-template-columns:1fr}.filter-grid .wide,.filter-grid .buttons{grid-column:auto}.filter-grid .buttons{display:grid}.exam-grid{grid-template-columns:1fr;gap:8px}.exam-card{padding:9px 10px}.time{font-size:1.18rem}.status-row{display:block}.chips{justify-content:flex-start;margin-top:8px}.date-heading{align-items:flex-start;flex-direction:column;gap:6px}.date-badge{min-width:0}.notice{font-size:.84rem}}
@media print{body{background:#fff;color:#000;font-size:11px}.hero,.student-start,.status-row .chips,.notice,footer,.quick-actions,.advanced{display:none!important}.wrap{width:100%;margin:0}.card{box-shadow:none;border:0;padding:0;margin:0}.print-header{display:block;text-align:center;margin-bottom:10px;border-bottom:2px solid #000;padding-bottom:8px}.print-school{font-weight:800;font-size:13px}.print-header h2{margin:4px 0;font-size:15px}.print-meta{display:grid;grid-template-columns:repeat(2,1fr);gap:2px 12px;text-align:left;font-size:10.5px}.print-footer{display:block;margin-top:10px;border-top:1px solid #999;padding-top:5px;font-size:9px;color:#444}.results{display:block}.date-heading{break-after:avoid;border:1px solid #777;background:#eee!important;color:#000;padding:5px 7px;margin:8px 0 5px;font-size:11px}.date-badge{border:1px solid #777;background:#fff!important;color:#000!important;padding:3px 6px;font-size:9px}.exam-grid{grid-template-columns:repeat(3,1fr);gap:5px}.exam-card{break-inside:avoid;box-shadow:none;border:1px solid #777;border-radius:6px;padding:6px}.exam-card::before{display:none}.time{font-size:13px}.group-badge{font-size:9px;border:1px solid #999;background:#fff;color:#000;padding:2px 4px}.subject{font-size:10.5px}.obs{font-size:9px;margin-top:4px;padding-top:4px}}

/* --- Vista de resultados más clara para estudiantes --- */
.date-heading{
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
  margin:16px 0 8px;
  padding:8px 10px;
  background:#f7fbff;
  border:1px solid var(--line);
  border-left:5px solid var(--azul-boton);
  border-radius:14px;
}
.date-title{
  flex:1 1 240px;
  min-width:0;
  font-size:.98rem;
  font-weight:900;
  color:#10264a;
  overflow-wrap:anywhere;
}
.date-count{
  margin-left:auto;
  border:1px solid #d5e6fb;
  background:#fff;
  color:#123f6f;
  border-radius:999px;
  padding:4px 8px;
  font-size:.76rem;
  font-weight:900;
  white-space:nowrap;
}
.exam-list{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:8px;
}
.exam-card{
  display:grid;
  grid-template-columns:72px minmax(0,1fr);
  gap:10px;
  align-items:stretch;
  padding:8px 10px 8px 12px;
}
.exam-time-box{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  min-width:0;
  border:1px solid #d5e6fb;
  background:#f0f6ff;
  color:#123f6f;
  border-radius:12px;
  padding:6px 5px;
  line-height:1;
}
.exam-time-box span{
  font-size:.66rem;
  text-transform:uppercase;
  letter-spacing:.08em;
  font-weight:900;
  color:#5f6f86;
}
.exam-time-box strong{
  display:block;
  margin-top:4px;
  font-size:1.2rem;
  letter-spacing:-.04em;
  color:#08204a;
  white-space:nowrap;
}
.exam-time-box em{
  margin-top:3px;
  font-style:normal;
  font-size:.68rem;
  font-weight:900;
  color:#5f6f86;
}
.exam-info{
  min-width:0;
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.field-label{
  margin-bottom:2px;
  font-size:.67rem;
  text-transform:uppercase;
  letter-spacing:.08em;
  font-weight:900;
  color:#5f6f86;
}
.subject{
  margin:0 0 6px;
  font-size:1rem;
  line-height:1.12;
  font-weight:950;
  color:#10264a;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  overflow-wrap:anywhere;
  word-break:break-word;
}
.group-line{
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  align-items:start;
  gap:6px;
  padding:5px 7px;
  border:1px solid #d5e6fb;
  background:#fbfdff;
  border-radius:10px;
}
.group-line span{
  color:#5f6f86;
  font-size:.75rem;
  font-weight:900;
}
.group-line strong{
  min-width:0;
  color:#123f6f;
  font-size:.8rem;
  line-height:1.08;
  font-weight:950;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  overflow-wrap:anywhere;
  word-break:break-word;
}
.exam-card.today .exam-time-box{
  background:var(--ok-soft);
  color:var(--ok);
  border-color:#abefc6;
}
.exam-card.today .exam-time-box strong{color:var(--ok)}
.exam-card.today .group-line{border-color:#c9f2d8;background:#fbfffc}
.exam-card.past .exam-time-box{background:#f3f4f6;border-color:#d1d5db}
.obs{
  margin-top:6px;
  padding:5px 7px;
  border:1px dashed #d6e1ee;
  border-radius:10px;
  background:#fffdf7;
  font-size:.78rem;
  line-height:1.22;
}

@media(max-width:980px){
  .exam-list{grid-template-columns:1fr}
}
@media(max-width:650px){
  .date-heading{gap:6px;padding:8px 9px}
  .date-title{flex-basis:100%;font-size:.94rem}
  .date-count{margin-left:0;font-size:.72rem}
  .exam-card{grid-template-columns:68px minmax(0,1fr);gap:8px;padding:8px 9px 8px 11px}
  .exam-time-box strong{font-size:1.08rem}
  .subject{font-size:.96rem}
  .group-line{grid-template-columns:1fr;gap:2px}
}
@media print{
  .date-heading{
    border:1px solid #555!important;
    border-left:5px solid #000!important;
    background:#f0f0f0!important;
    padding:5px 7px!important;
    margin:8px 0 4px!important;
  }
  .date-title{font-size:11px!important;color:#000!important}
  .date-count{border:1px solid #777!important;color:#000!important;background:#fff!important;font-size:9px!important;padding:2px 5px!important}
  .exam-list{display:grid!important;grid-template-columns:repeat(2,minmax(0,1fr))!important;gap:5px!important}
  .exam-card{display:grid!important;grid-template-columns:56px minmax(0,1fr)!important;gap:6px!important;border:1px solid #777!important;border-radius:0!important;padding:5px!important;background:#fff!important;box-shadow:none!important;opacity:1!important;break-inside:avoid!important}
  .exam-time-box{border:1px solid #777!important;background:#fff!important;border-radius:0!important;padding:4px!important;color:#000!important}
  .exam-time-box span{font-size:7.5px!important;color:#000!important}
  .exam-time-box strong{font-size:12px!important;color:#000!important}
  .exam-time-box em{font-size:7.5px!important;color:#000!important}
  .field-label{font-size:7.5px!important;color:#000!important}
  .subject{font-size:10.5px!important;color:#000!important;margin-bottom:4px!important}
  .group-line{border:1px solid #aaa!important;background:#fff!important;border-radius:0!important;padding:3px 4px!important}
  .group-line span,.group-line strong{font-size:9px!important;color:#000!important}
  .obs{font-size:8.5px!important;border:1px solid #aaa!important;background:#fff!important;border-radius:0!important;padding:3px 4px!important;margin-top:4px!important}
}

/* --- Ajuste de jerarquía: fecha como separador, examen como contenido principal --- */
.date-group{
  margin-top:18px;
}
.date-heading{
  display:flex;
  align-items:center;
  gap:7px;
  flex-wrap:wrap;
  margin:18px 0 6px;
  padding:0 2px 6px;
  background:transparent;
  border:0;
  border-bottom:1px solid #d9e5f2;
  border-left:0;
  border-radius:0;
  box-shadow:none;
}
.date-badge{
  min-width:0;
  padding:3px 7px;
  border-radius:999px;
  background:#edf5ff;
  border:1px solid #d5e6fb;
  color:#123f6f;
  font-size:.66rem;
  line-height:1.05;
  font-weight:950;
  letter-spacing:.03em;
  white-space:nowrap;
}
.date-badge.today{
  background:var(--ok-soft);
  border-color:#abefc6;
  color:var(--ok);
}
.date-badge.past{
  background:#f3f4f6;
  border-color:#d1d5db;
  color:#6b7280;
}
.date-title{
  flex:1 1 180px;
  min-width:0;
  font-size:.82rem;
  line-height:1.12;
  font-weight:850;
  color:#52647d;
  overflow-wrap:anywhere;
}
.date-count{
  margin-left:auto;
  padding:2px 6px;
  min-height:20px;
  border-radius:999px;
  background:#fff;
  border:1px solid #d9e5f2;
  color:#5f6f86;
  font-size:.66rem;
  line-height:1.05;
  font-weight:900;
  white-space:nowrap;
}
.exam-list{
  margin-top:0;
}
.exam-card{
  border-width:1px;
  border-color:#cfddeb;
  box-shadow:0 10px 22px rgba(20,45,75,.075);
}
.subject{
  font-size:1.03rem;
  color:#08204a;
}

@media(max-width:650px){
  .date-group{margin-top:15px}
  .date-heading{
    display:grid;
    grid-template-columns:auto 1fr auto;
    align-items:center;
    gap:5px;
    margin:15px 0 6px;
    padding:0 1px 5px;
  }
  .date-title{
    flex-basis:auto;
    font-size:.76rem;
    line-height:1.12;
    white-space:nowrap;
    overflow:hidden;
    text-overflow:ellipsis;
  }
  .date-count{
    margin-left:0;
    font-size:.62rem;
    padding:2px 5px;
  }
  .date-badge{
    font-size:.62rem;
    padding:3px 6px;
  }
}

@media print{
  .date-heading{
    border:0!important;
    border-bottom:1px solid #555!important;
    background:#fff!important;
    padding:0 0 3px!important;
    margin:8px 0 3px!important;
  }
  .date-badge{
    border:1px solid #777!important;
    background:#fff!important;
    color:#000!important;
    font-size:7.5px!important;
    padding:1px 4px!important;
  }
  .date-title{
    font-size:9px!important;
    color:#000!important;
    font-weight:800!important;
  }
  .date-count{
    border:1px solid #777!important;
    background:#fff!important;
    color:#000!important;
    font-size:7.5px!important;
    padding:1px 4px!important;
  }
  .subject{
    font-size:10.8px!important;
  }
}

/* --- Ajuste móvil: si se filtró por grupo, el grupo se muestra una sola vez arriba --- */
.chip-primary{
  background:#dff0ff;
  border-color:#a9d2ff;
  color:#0d4f91;
  font-weight:950;
}
@media(max-width:650px){
  .status-row{
    margin-bottom:8px;
  }
  .chips{
    gap:6px;
  }
  .chip-primary{
    flex:1 1 100%;
    max-width:100%;
    justify-content:center;
    min-height:30px;
    font-size:.76rem;
    white-space:normal;
    text-align:center;
    line-height:1.12;
  }
  .exam-info{
    justify-content:center;
  }
  .exam-info .subject:last-child{
    margin-bottom:0;
  }
}