/*! Instructor de Natación – Enseñando a Enseñar · © 2026 Todos los derechos reservados. */
:root{
  --navy-900:#061427; --navy-800:#07192f; --navy-700:#0b2747; --navy-600:#163a63;
  --cyan:#06b6d4; --blue:#0284c7; --blue-d:#0369a1; --green:#059669; --amber:#d97706; --red:#dc2626;
  --bg:#f3f6fa; --surface:#ffffff; --surface-2:#f7f9fc; --line:#e2e8f0; --line-2:#cbd5e1;
  --text:#0f172a; --text-2:#334155; --muted:#64748b;
  --chip:#eef4fb; --chip-text:#1e3a5f;
  --met-bg:#e7f6ee; --met-tx:#0f6b43; --cor-bg:#fff1e6; --cor-tx:#b4470d;
  --warn-bg:#fff7db; --warn-tx:#8a5a00;
  --radius:16px; --radius-sm:10px;
  --shadow:0 1px 2px rgba(15,23,42,.05),0 6px 20px -8px rgba(15,23,42,.12);
  --font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --nav-h:64px;
  color-scheme:light;
}
:root[data-theme="oscuro"]{
  --bg:#050d1a; --surface:#0b1729; --surface-2:#0f1f36; --line:#1c2f4b; --line-2:#28406a;
  --text:#e8eef7; --text-2:#c4d0e0; --muted:#8aa0bc;
  --chip:#13284a; --chip-text:#bfe3ff;
  --met-bg:#0d3326; --met-tx:#7ee2b4; --cor-bg:#3a2210; --cor-tx:#ffbd85;
  --warn-bg:#3a2e08; --warn-tx:#ffd66b;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px -10px rgba(0,0,0,.6);
  color-scheme:dark;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased;min-height:100vh;min-height:100dvh}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
[hidden]{display:none!important}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
:focus-visible{outline:3px solid var(--cyan);outline-offset:2px;border-radius:6px}
.muted{color:var(--muted)} .small{font-size:.82rem} .center{text-align:center;margin:20px 0}

/* ---------- Pantalla de inicio ---------- */
.splash{position:fixed;inset:0;z-index:50;display:flex;flex-direction:column;align-items:center;justify-content:center;
  background:radial-gradient(1200px 600px at 50% -10%,#14467a 0%,transparent 60%),linear-gradient(160deg,#061427 0%,#0a2a4d 55%,#06345a 100%);
  color:#fff;text-align:center;padding:24px 20px calc(24px + env(safe-area-inset-bottom));overflow:auto;transition:opacity .35s ease,visibility .35s}
.splash.out{opacity:0;visibility:hidden}
.splash-waves{position:absolute;left:0;right:0;bottom:0;height:38%;pointer-events:none;opacity:.5;
  background:repeating-radial-gradient(ellipse at 50% 120%,rgba(6,182,212,.18) 0 2px,transparent 2px 26px)}
.splash-inner{position:relative;max-width:440px;display:flex;flex-direction:column;align-items:center;gap:6px;animation:rise .6s ease both}
@keyframes rise{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.splash-logo{width:168px;height:168px;border-radius:36px;background:#fff;display:grid;place-items:center;box-shadow:0 20px 50px -10px rgba(0,0,0,.55),0 0 0 6px rgba(255,255,255,.08);margin-bottom:18px}
.splash-logo img{width:150px;height:150px;object-fit:contain}
.splash-kicker{font-size:.75rem;letter-spacing:.18em;text-transform:uppercase;color:#67e8f9;font-weight:700}
.splash-title{font-size:clamp(1.8rem,6vw,2.4rem);font-weight:850;letter-spacing:-.02em;line-height:1.1}
.splash-sub{font-size:1.1rem;color:#bae6fd;font-weight:600}
.splash-desc{margin-top:10px;color:#cbd5e1;font-size:.95rem;max-width:34ch}
.btn-start{margin-top:26px;min-width:220px;height:54px;border-radius:999px;border:0;font-size:1.05rem;font-weight:800;letter-spacing:.04em;text-transform:uppercase;
  background:linear-gradient(135deg,#22d3ee,#0284c7);color:#04223d;box-shadow:0 12px 30px -8px rgba(6,182,212,.7);transition:transform .15s}
.btn-start:hover{transform:translateY(-1px)} .btn-start:active{transform:scale(.98)}
.splash-foot{position:relative;margin-top:36px;font-size:.78rem;color:#94a3b8;display:flex;flex-wrap:wrap;gap:6px;justify-content:center;align-items:center}
.splash-foot .link-btn{color:#bae6fd}
.sep{opacity:.5}

/* ---------- Estructura ---------- */
.app{min-height:100vh;min-height:100dvh;display:grid;grid-template-columns:minmax(0,1fr);grid-template-rows:auto 1fr auto;padding-bottom:calc(var(--nav-h) + env(safe-area-inset-bottom))}
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:calc(10px + env(safe-area-inset-top)) 16px 10px;background:linear-gradient(135deg,var(--navy-800),var(--navy-700));color:#fff;box-shadow:0 2px 12px rgba(0,0,0,.18)}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand-logo{width:40px;height:40px;border-radius:10px;background:#fff;padding:2px;object-fit:contain;flex-shrink:0}
.brand-text{display:flex;flex-direction:column;min-width:0;line-height:1.15}
.brand-text strong{font-size:1rem;font-weight:800;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-text span{font-size:.75rem;color:#7dd3fc;white-space:nowrap}
.topbar-actions{display:flex;align-items:center;gap:8px}
.icon-btn{width:40px;height:40px;border-radius:12px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);display:grid;place-items:center;color:inherit}
.dlg .icon-btn{border-color:var(--line);background:var(--surface-2)}
.net-pill{font-size:.72rem;font-weight:700;padding:4px 10px;border-radius:999px;background:rgba(16,185,129,.18);color:#a7f3d0;white-space:nowrap}
.net-pill.off{background:rgba(245,158,11,.2);color:#fde68a}

.nav{position:fixed;left:0;right:0;bottom:0;z-index:30;display:grid;grid-template-columns:repeat(4,1fr);height:calc(var(--nav-h) + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);background:var(--surface);border-top:1px solid var(--line);box-shadow:0 -6px 20px -12px rgba(0,0,0,.25)}
.nav-btn{position:relative;border:0;background:none;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;color:var(--muted);font-size:.72rem;font-weight:700}
.nav-btn svg{width:22px;height:22px}
.nav-btn.on{color:var(--blue)}
.nav-btn.on::before{content:"";position:absolute;top:0;left:28%;right:28%;height:3px;border-radius:0 0 4px 4px;background:var(--blue)}
.badge{position:absolute;top:8px;left:calc(50% + 6px);min-width:18px;height:18px;padding:0 5px;border-radius:999px;background:var(--red);color:#fff;font-size:.68rem;display:grid;place-items:center}

.main{min-width:0;width:100%;max-width:1240px;margin:0 auto;padding:18px 14px 28px}
.view{animation:fade .2s ease}
@keyframes fade{from{opacity:0}to{opacity:1}}
.view-head{display:flex;justify-content:space-between;align-items:flex-end;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.view-head h2,.clase-title h2{font-size:clamp(1.25rem,3.4vw,1.6rem);font-weight:800;letter-spacing:-.015em}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px}
.card h3{font-size:1.05rem;font-weight:800;margin-bottom:6px}
.card h4{font-size:.88rem;font-weight:800;margin:18px 0 6px;color:var(--text-2)}
.app-foot{text-align:center;font-size:.75rem;color:var(--muted);padding:10px 16px 16px}

/* ---------- Botones y campos ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:42px;padding:0 16px;border-radius:12px;border:1px solid transparent;font-weight:700;font-size:.88rem;transition:background .15s,transform .1s,border-color .15s;white-space:nowrap}
.btn:active{transform:scale(.98)}
.btn.sm{min-height:34px;padding:0 12px;font-size:.8rem;border-radius:10px}
.btn-primary{background:var(--navy-700);color:#fff} .btn-primary:hover{background:var(--navy-600)}
:root[data-theme="oscuro"] .btn-primary{background:var(--blue)}
.btn-accent{background:linear-gradient(135deg,var(--cyan),var(--blue));color:#fff}
.btn-ghost{background:var(--surface);border-color:var(--line-2);color:var(--text-2)} .btn-ghost:hover{background:var(--surface-2)}
.btn-ghost.toggle[aria-pressed="true"]{background:#fef3c7;border-color:#f59e0b;color:#92400e}
:root[data-theme="oscuro"] .btn-ghost.toggle[aria-pressed="true"]{background:#3a2a06;color:#fcd34d}
.btn-danger{background:transparent;border-color:#fca5a5;color:var(--red)} .btn-danger:hover{background:#fee2e2}
:root[data-theme="oscuro"] .btn-danger:hover{background:#3b0d0d}
.btn-whatsapp{background:#16a34a;color:#fff}
.btn-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.pill-n{background:rgba(255,255,255,.2);border-radius:999px;padding:1px 8px;font-size:.78rem}
.link-btn{text-align:left;background:none;border:0;color:var(--blue);text-decoration:underline;text-underline-offset:3px;font-size:inherit;padding:0}
:root[data-theme="oscuro"] .link-btn{color:#7dd3fc}

.field{display:flex;flex-direction:column;gap:5px;font-size:.75rem;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.field.inline{flex:1 1 240px}
.field input,.field select,.field textarea,select,.search input{
  width:100%;min-height:42px;padding:9px 12px;border-radius:var(--radius-sm);border:1.5px solid var(--line-2);background:var(--surface);color:var(--text);font-size:.95rem;font-weight:500;text-transform:none;letter-spacing:0}
.field textarea{resize:vertical;line-height:1.45}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(6,182,212,.2)}
.search{position:relative;display:block}
.search svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--muted)}
.search input{padding-left:40px;min-height:46px}
.search.sm input{min-height:40px}

.seg{display:inline-flex;background:var(--surface-2);border:1px solid var(--line);border-radius:12px;padding:3px;gap:3px;flex-wrap:wrap}
.seg button{white-space:nowrap;border:0;background:none;padding:7px 12px;border-radius:9px;font-size:.84rem;font-weight:700;color:var(--muted);text-transform:none;letter-spacing:0}
.seg button.on{background:var(--surface);color:var(--text);box-shadow:0 1px 3px rgba(0,0,0,.12)}
:root[data-theme="oscuro"] .seg button.on{background:var(--navy-600);color:#fff}

/* ---------- Filtros ---------- */
.filters{display:flex;flex-direction:column;gap:12px;margin-bottom:18px;min-width:0}
.view,.ej,.it-body,.bloque,.card{min-width:0}
html,body{overflow-x:hidden}
.chips{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;padding-bottom:2px;-webkit-overflow-scrolling:touch}
.chips::-webkit-scrollbar{display:none}
.chip{flex-shrink:0;border:1px solid var(--line-2);background:var(--surface);border-radius:999px;padding:7px 14px;font-size:.84rem;font-weight:700;color:var(--text-2)}
.chip.on{background:var(--navy-700);border-color:var(--navy-700);color:#fff}
:root[data-theme="oscuro"] .chip.on{background:var(--blue);border-color:var(--blue)}
.chip small{opacity:.65;font-weight:600;margin-left:4px}
.filters-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.filters-row select{width:auto;min-width:180px;flex:1 1 180px;max-width:280px}

/* ---------- Tarjetas de ejercicio ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px}
.ej{display:flex;flex-direction:column;gap:10px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);border-top:4px solid var(--blue)}
.ej.correctivo{border-top-color:#f59e0b}
.ej-top{display:flex;justify-content:space-between;align-items:flex-start;gap:8px}
.tags{display:flex;flex-wrap:wrap;gap:6px}
.tag{font-size:.7rem;font-weight:800;padding:3px 9px;border-radius:999px;text-transform:uppercase;letter-spacing:.03em;background:var(--chip);color:var(--chip-text)}
.tag.id{background:var(--surface-2);color:var(--muted)}
.tag.met{background:var(--met-bg);color:var(--met-tx)} .tag.cor{background:var(--cor-bg);color:var(--cor-tx)}
.tag.warn{background:var(--warn-bg);color:var(--warn-tx);text-transform:none}
.fav{border:0;background:none;font-size:1.35rem;line-height:1;color:var(--line-2);padding:2px 4px}
.fav.on{color:#f59e0b}
.ej-desc{font-size:.95rem;color:var(--text-2);flex-grow:1}
.ej-foot{display:flex;justify-content:space-between;align-items:center;gap:10px;padding-top:10px;border-top:1px solid var(--line)}
.ej-mat{font-size:.78rem;color:var(--muted)} .ej-mat b{color:var(--text-2)}
.add{min-height:36px;padding:0 14px;border-radius:10px;border:0;background:linear-gradient(135deg,var(--cyan),var(--blue));color:#fff;font-weight:800;font-size:.8rem}
.add.on{background:var(--green)}
.empty{grid-column:1/-1;text-align:center;padding:44px 16px;color:var(--muted)}
.empty strong{display:block;color:var(--text);font-size:1.05rem;margin-bottom:4px}

/* ---------- Mi clase (pantalla grande) ---------- */
.view-clase{max-width:1100px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.clase-head{display:flex;flex-direction:column;gap:14px;background:linear-gradient(135deg,var(--surface),var(--surface-2))}
.clase-meta{display:grid;grid-template-columns:1.4fr .8fr auto;gap:12px;align-items:end}
.bloque{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px 18px 16px;border-left:5px solid var(--blue)}
.bloque.principal{border-left-color:var(--cyan)}
.bloque-head{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:8px}
.bloque-head h3{font-size:1.08rem;font-weight:800;display:flex;align-items:center;gap:10px}
.bloque-head h3 small{font-size:.8rem;font-weight:700;color:var(--muted)}
.num{width:28px;height:28px;border-radius:9px;display:inline-grid;place-items:center;background:var(--navy-700);color:#fff;font-size:.85rem}
.bloque-text{font-size:1rem;color:var(--text-2)}
.bloque-text.vacio{color:var(--muted);font-style:italic}
.row-actions{display:flex;gap:6px}
.principal-tools{display:flex;flex-wrap:wrap;gap:10px;align-items:flex-end;margin:6px 0 14px}
.lista-principal{list-style:none;display:flex;flex-direction:column;gap:10px;counter-reset:it}
.it{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:start;padding:14px;border:1px solid var(--line);border-radius:14px;background:var(--surface-2)}
.it-n{counter-increment:it;width:30px;height:30px;border-radius:50%;background:var(--chip);color:var(--chip-text);font-weight:800;font-size:.85rem;display:grid;place-items:center}
.it-n::before{content:counter(it)}
.it-body{display:flex;flex-direction:column;gap:6px;min-width:0}
.it-desc{font-size:.98rem;color:var(--text)}
.it-meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:.78rem;color:var(--muted)}
.dosis{width:100%;max-width:340px;min-height:36px;padding:6px 10px;border-radius:9px;border:1.5px dashed var(--line-2);background:var(--surface);font-size:.88rem}
.it-acts{display:grid;grid-template-columns:repeat(2,34px);gap:6px}
.mini{width:34px;height:34px;border-radius:9px;border:1px solid var(--line-2);background:var(--surface);display:grid;place-items:center;color:var(--text-2);font-size:.95rem}
.mini:disabled{opacity:.35;cursor:default}
.mini.del{color:var(--red);border-color:#fca5a5}
.mini svg{width:16px;height:16px}
.clase-actions{position:sticky;bottom:calc(var(--nav-h) + env(safe-area-inset-bottom) + 8px);z-index:10;display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end;
  padding:12px;border-radius:var(--radius);background:color-mix(in srgb,var(--surface) 88%,transparent);backdrop-filter:blur(8px);border:1px solid var(--line);box-shadow:var(--shadow)}

/* ---------- Bitácora ---------- */
.bit-lista{display:flex;flex-direction:column;gap:10px}
.bit{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.bit-info strong{display:block;font-size:1rem}
.bit-info span{font-size:.82rem;color:var(--muted)}

/* ---------- Más ---------- */
.mas-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:14px;align-items:start}
.snap-lista{list-style:none;display:flex;flex-direction:column;gap:6px}
.snap-lista li{display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:.85rem;padding:8px 10px;border-radius:10px;background:var(--surface-2);border:1px solid var(--line)}
.ia-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:12px}
.ia-btn{text-align:left;border:1px solid var(--line);background:var(--surface-2);border-radius:12px;padding:10px 12px;font-size:.84rem;font-weight:700;color:var(--text-2)}
.ia-btn small{display:block;font-weight:500;color:var(--muted);margin-top:2px}
.legal-links{list-style:none;display:flex;flex-direction:column;gap:8px;margin:8px 0 12px}
.banner{margin-bottom:14px;padding:12px 14px;border-radius:12px;background:var(--warn-bg);color:var(--warn-tx);font-size:.88rem;display:flex;gap:10px;justify-content:space-between;align-items:center;flex-wrap:wrap}

/* ---------- Diálogo ---------- */
.dlg{position:fixed;inset:0;z-index:60;background:rgba(2,8,23,.6);backdrop-filter:blur(3px);display:flex;align-items:center;justify-content:center;padding:16px}
.dlg-box{width:100%;max-width:720px;max-height:min(88vh,900px);display:flex;flex-direction:column;background:var(--surface);border-radius:20px;box-shadow:0 30px 60px -12px rgba(0,0,0,.45);overflow:hidden}
.dlg-head{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:16px 18px;border-bottom:1px solid var(--line)}
.dlg-head h3{font-size:1.1rem;font-weight:800}
.dlg-body{padding:18px;overflow:auto;font-size:.95rem;color:var(--text-2)}
.dlg-body h4{color:var(--text);margin:16px 0 6px;font-size:.98rem}
.dlg-body p,.dlg-body li{margin-bottom:8px}
.dlg-body ul{padding-left:20px}
.dlg-foot{display:flex;justify-content:flex-end;gap:8px;flex-wrap:wrap;padding:12px 18px;border-top:1px solid var(--line);background:var(--surface-2)}
.dlg-foot:empty{display:none}

.toast{position:fixed;left:50%;bottom:calc(var(--nav-h) + env(safe-area-inset-bottom) + 18px);transform:translate(-50%,20px);z-index:70;max-width:min(92vw,460px);
  background:#0f172a;color:#fff;padding:12px 18px;border-radius:12px;font-size:.9rem;font-weight:600;box-shadow:0 12px 30px rgba(0,0,0,.35);opacity:0;pointer-events:none;transition:.25s}
.toast.show{opacity:1;transform:translate(-50%,0)}

#printArea{display:none}

/* ---------- Responsive ---------- */
@media (min-width:960px){
  .app{grid-template-columns:96px minmax(0,1fr);grid-template-rows:auto 1fr auto;padding-bottom:0}
  .topbar{grid-column:1 / -1}
  .nav{position:sticky;top:64px;grid-row:2 / 4;height:calc(100vh - 64px);grid-template-columns:1fr;grid-auto-rows:84px;align-content:start;padding-top:12px;border-top:0;border-right:1px solid var(--line);box-shadow:none}
  .nav-btn.on::before{top:16px;bottom:16px;left:0;right:auto;width:3px;height:auto;border-radius:0 4px 4px 0}
  .badge{top:14px}
  .main{grid-column:2;padding:24px 28px 40px}
  .app-foot{grid-column:2}
  .clase-actions{bottom:12px}
  .toast{bottom:28px}
}
@media (max-width:720px){
  .clase-meta{grid-template-columns:1fr 1fr}
  .clase-meta .field:last-child{grid-column:1 / -1}
  .clase-meta .seg{display:flex} .clase-meta .seg button{flex:1}
  .brand-text span{display:none}
}
@media (max-width:520px){
  .main{padding:14px 12px 24px}
  .grid{grid-template-columns:1fr}
  .filters-row select{max-width:none;flex-basis:100%}
  .filters-row .seg{width:100%} .filters-row .seg button{flex:1}
  .filters-row .btn{flex:1}
  .clase-meta{grid-template-columns:1fr}
  .it{grid-template-columns:1fr;gap:10px}
  .it-n{display:none}
  .it-acts{grid-template-columns:repeat(4,1fr)} .mini{width:100%}
  .clase-actions .btn{flex:1 1 calc(50% - 8px)}
  .clase-actions .btn-primary{flex-basis:100%}
  .ia-grid{grid-template-columns:1fr}
  .mas-grid{grid-template-columns:1fr}
  .dlg{padding:0;align-items:flex-end}
  .dlg-box{max-height:92vh;border-radius:20px 20px 0 0}
  .net-pill{display:none}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* ---------- Impresión (ficha de agua A4) ---------- */
@media print{
  @page{size:A4 portrait;margin:10mm}
  body{background:#fff!important;color:#000!important}
  body>*:not(#printArea){display:none!important}
  #printArea{display:block!important;font-family:Arial,Helvetica,sans-serif;color:#000;font-size:10.5pt}
  #printArea .ph{display:flex;justify-content:space-between;align-items:center;border-bottom:2px solid #000;padding-bottom:6px;margin-bottom:10px}
  #printArea .ph img{width:56px;height:56px}
  #printArea h1{font-size:14pt;margin:0} #printArea .phs{font-size:9pt}
  #printArea .box{border:1.2px solid #000;padding:6px 10px;margin-bottom:8px}
  #printArea table{width:100%;border-collapse:collapse;margin-bottom:8px}
  #printArea th,#printArea td{border-bottom:1px solid #999;padding:5px 6px;text-align:left;vertical-align:top}
  #printArea th{border-bottom:1.5px solid #000;font-size:9pt}
  #printArea tr{page-break-inside:avoid}
  #printArea .pf{margin-top:12px;font-size:8pt;color:#333;border-top:1px solid #999;padding-top:4px}
  #printArea .line{border-bottom:1px dotted #777;height:18px}
}
:root[data-theme="oscuro"] .toast{background:#e8eef7;color:#0f172a}

.card-ayuda{grid-column:1/-1;background:linear-gradient(135deg,var(--surface),var(--surface-2))}
.guia-nav{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}
.guia-nav a{font-size:.8rem;font-weight:700;padding:5px 10px;border-radius:999px;background:var(--chip);color:var(--chip-text);text-decoration:none}
.guia-paso{display:flex;gap:10px;align-items:flex-start;margin-bottom:8px}
.guia-paso b.n{flex-shrink:0;width:24px;height:24px;border-radius:50%;background:var(--navy-700);color:#fff;font-size:.78rem;display:grid;place-items:center}
.guia-tip{padding:10px 12px;border-radius:10px;background:var(--chip);color:var(--chip-text);font-size:.88rem;margin:8px 0}

.splash-maker{margin-top:22px;font-size:.88rem;color:#94a3b8;letter-spacing:.02em}
.splash-maker strong{color:#fff;font-weight:800;letter-spacing:.06em;text-transform:uppercase}
.tag.ser{background:#e0f2fe;color:#075985}
:root[data-theme="oscuro"] .tag.ser{background:#0c3550;color:#7dd3fc}
.ej.serie{border-top-color:#0ea5e9}
.seg button:disabled{opacity:.45;cursor:not-allowed}
.tipo-nota{margin:-6px 0 12px}
@media (max-width:520px){.principal-tools .field{width:100%}.principal-tools .seg{display:flex}.principal-tools .seg button{flex:1}.principal-tools .btn{flex:1 1 100%}}