:root{
  --brand:#1597D8; --brand-ink:#fff; --brand-soft:#E3F4FC; --navy:#2E567E;
  --bg:#F4FAFE; --card:#FFFFFF; --ink:#1B2F45; --muted:#6B7090; --line:#E1ECF3; --field:#F7FBFE;
  --sun:#FFC93C; --coral:#FF6B5B; --mint:#2EC4A6; --grape:#9B6BF2; --rose:#F25C8A;
  --ok:#11926F; --ok-soft:#E1F6EF; --warn:#B7791F; --warn-soft:#FFF3D6; --bad:#C2412F; --bad-soft:#FFE9E5;
  --r:20px; --r-sm:14px; --shadow:0 2px 0 rgba(30,35,64,.04),0 8px 24px rgba(30,35,64,.06);
  --font:'Nunito',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --tab-h:66px; --safe-b:env(safe-area-inset-bottom,0px);
  color-scheme:light;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.45}
body{min-height:100dvh;overflow-x:hidden}
button,input,select,textarea{font:inherit;color:inherit}
a{color:var(--brand)}
img{max-width:100%;display:block}
h1,h2,h3{margin:0;line-height:1.15;font-weight:800;letter-spacing:-.01em}
h1{font-size:26px}h2{font-size:20px}h3{font-size:17px}
p{margin:0}
.muted{color:var(--muted)}.small{font-size:13px}.tiny{font-size:12px}.b{font-weight:700}
.hidden{display:none!important}

/* ---------- Estructura ---------- */
#app{min-height:100dvh}
.shell{display:flex;min-height:100dvh}
.side{display:none}
.main{flex:1;min-width:0;padding-bottom:calc(var(--tab-h) + var(--safe-b) + 24px)}
.top{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  display:flex;align-items:center;gap:10px;padding:calc(10px + env(safe-area-inset-top,0px)) 16px 10px}
.top h1{font-size:21px;flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.top .brandmark{display:flex;align-items:center;gap:8px;flex:1;min-width:0}
.top .brandmark img{height:34px;width:auto}
.top .brandmark span{font-weight:800;font-size:19px}
.wrap{padding:4px 16px 16px;max-width:760px;margin:0 auto}
.wrap.wide{max-width:1100px}
.stack>*+*{margin-top:12px}
.row{display:flex;align-items:center;gap:10px}
.row.wrapr{flex-wrap:wrap}
.grow{flex:1;min-width:0}
.between{justify-content:space-between}
.section-title{display:flex;align-items:center;justify-content:space-between;margin:22px 0 10px}
.section-title h2{font-size:18px}

/* ---------- Barra inferior ---------- */
.tabs{position:fixed;left:0;right:0;bottom:0;z-index:30;background:#fff;border-top:1px solid var(--line);
  display:flex;padding:6px 6px calc(6px + var(--safe-b));height:calc(var(--tab-h) + var(--safe-b))}
.tabs a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;text-decoration:none;color:var(--muted);font-size:11.5px;font-weight:700;border-radius:14px;position:relative}
.tabs a svg{width:24px;height:24px}
.tabs a.on{color:var(--brand)}
.tabs a.on .ticon{background:var(--brand-soft)}
.ticon{display:grid;place-items:center;width:52px;height:30px;border-radius:999px;transition:background .2s}
.badge{position:absolute;top:2px;left:calc(50% + 8px);min-width:18px;height:18px;padding:0 5px;border-radius:999px;background:var(--coral);color:#fff;font-size:11px;font-weight:800;display:grid;place-items:center;border:2px solid #fff}
.iconbtn{width:42px;height:42px;border-radius:14px;border:0;background:#fff;box-shadow:var(--shadow);display:grid;place-items:center;cursor:pointer;position:relative;flex:none;color:var(--ink)}
.iconbtn svg{width:22px;height:22px}
.iconbtn .badge{top:-4px;left:auto;right:-4px}

/* Escritorio: barra lateral */
@media (min-width:980px){
  .side{display:flex;flex-direction:column;width:250px;flex:none;background:#fff;border-right:1px solid var(--line);position:sticky;top:0;height:100dvh;padding:18px 12px;overflow:auto}
  .side .brand{display:flex;align-items:center;gap:10px;padding:4px 10px 18px}
  .side .brand img{height:40px;width:auto}
  .side .brand b{font-size:19px}
  .side a{display:flex;align-items:center;gap:12px;padding:11px 12px;border-radius:12px;color:var(--ink);text-decoration:none;font-weight:700;font-size:15px;position:relative}
  .side a svg{width:20px;height:20px;color:var(--muted)}
  .side a.on{background:var(--brand-soft);color:var(--brand)}
  .side a.on svg{color:var(--brand)}
  .side a .badge{position:static;margin-left:auto;border:0}
  .side .sep{height:1px;background:var(--line);margin:10px 8px}
  .tabs{display:none}
  .main{padding-bottom:40px}
  .top .brandmark{display:none}
}

/* ---------- Tarjetas ---------- */
.card{background:var(--card);border-radius:var(--r);box-shadow:var(--shadow);padding:16px}
.card.tight{padding:12px}
.card.click{cursor:pointer;transition:transform .12s}
.card.click:active{transform:scale(.985)}
.list{background:#fff;border-radius:var(--r);box-shadow:var(--shadow);overflow:hidden}
.list>.li{display:flex;align-items:center;gap:12px;padding:13px 16px;border-top:1px solid var(--line);text-decoration:none;color:inherit;cursor:pointer}
.list>.li:first-child{border-top:0}
.list>.li:active{background:var(--field)}
.li .chev{color:#B9C9D6;width:18px;height:18px;flex:none}
.empty{text-align:center;padding:36px 20px;color:var(--muted)}
.empty .em{font-size:40px;margin-bottom:6px}

/* Avatares */
.av{width:48px;height:48px;border-radius:16px;flex:none;display:grid;place-items:center;font-weight:800;color:#fff;font-size:18px;overflow:hidden;background:var(--brand)}
.av img{width:100%;height:100%;object-fit:cover}
.av.sm{width:38px;height:38px;border-radius:13px;font-size:15px}
.av.lg{width:76px;height:76px;border-radius:24px;font-size:28px}
.av.xl{width:96px;height:96px;border-radius:30px;font-size:34px}

/* Chips y pills */
.chips{display:flex;gap:8px;overflow-x:auto;padding:2px 2px 6px;margin:0 -16px;padding-left:16px;padding-right:16px;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chip{flex:none;border:1.5px solid var(--line);background:#fff;border-radius:999px;padding:7px 14px;font-weight:700;font-size:14px;cursor:pointer;white-space:nowrap}
.chip.on{background:var(--ink);border-color:var(--ink);color:#fff}
.chip .dot{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:6px;vertical-align:1px}
.pill{display:inline-flex;align-items:center;gap:5px;border-radius:999px;padding:3px 10px;font-size:12.5px;font-weight:800;white-space:nowrap}
.pill.ok{background:var(--ok-soft);color:var(--ok)}.pill.warn{background:var(--warn-soft);color:var(--warn)}
.pill.bad{background:var(--bad-soft);color:var(--bad)}.pill.gray{background:#E7F0F6;color:var(--muted)}.pill.brand{background:var(--brand-soft);color:var(--brand)}
.gtag{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:700;color:var(--muted)}
.gtag i{width:9px;height:9px;border-radius:50%;display:inline-block}

/* Botones */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:var(--r-sm);padding:12px 18px;font-weight:800;font-size:15.5px;cursor:pointer;text-decoration:none;background:var(--brand);color:var(--brand-ink);min-height:46px;transition:filter .15s,transform .1s}
.btn:active{transform:scale(.98)}
.btn:disabled{opacity:.55;pointer-events:none}
.btn svg{width:19px;height:19px}
.btn.block{display:flex;width:100%}
.btn.soft{background:var(--brand-soft);color:var(--brand)}
.btn.ghost{background:#fff;color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--line)}
.btn.danger{background:var(--bad-soft);color:var(--bad)}
.btn.ok{background:var(--ok);color:#fff}
.btn.sm{padding:8px 13px;min-height:36px;font-size:14px;border-radius:11px}
.btn.wa{background:#25D366;color:#fff}
.btngrid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.fab{position:fixed;right:18px;bottom:calc(var(--tab-h) + var(--safe-b) + 16px);z-index:25;border-radius:20px;padding:14px 20px;box-shadow:0 10px 30px color-mix(in srgb,var(--brand) 45%,transparent)}
@media (min-width:980px){.fab{bottom:28px;right:28px}}

/* Formularios */
.field{display:block;margin-top:12px}
.field>span{display:block;font-size:13.5px;font-weight:700;margin-bottom:5px;color:var(--ink)}
.input,select.input,textarea.input{width:100%;border:1.5px solid var(--line);background:var(--field);border-radius:13px;padding:12px 13px;font-size:16px;outline:0;transition:border .15s,background .15s}
.input:focus{border-color:var(--brand);background:#fff}
textarea.input{min-height:96px;resize:vertical}
.check{display:flex;align-items:center;gap:10px;margin-top:12px;font-weight:600;cursor:pointer}
.check input{width:20px;height:20px;accent-color:var(--brand)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.search{position:relative}
.search svg{position:absolute;left:13px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--muted)}
.search .input{padding-left:40px;background:#fff}

/* Hoja inferior (modal) */
.sheet-bg{position:fixed;inset:0;background:rgba(30,35,64,.42);z-index:50;display:flex;align-items:flex-end;justify-content:center;animation:fade .18s}
.sheet{background:var(--bg);width:100%;max-width:560px;max-height:92dvh;overflow:auto;border-radius:26px 26px 0 0;padding:8px 18px calc(22px + var(--safe-b));animation:up .22s cubic-bezier(.2,.9,.3,1)}
.sheet .grab{width:42px;height:5px;border-radius:9px;background:#CBD9E4;margin:4px auto 12px}
.sheet h2{margin-bottom:4px}
@media (min-width:700px){.sheet-bg{align-items:center}.sheet{border-radius:26px;padding-bottom:22px}}
@keyframes up{from{transform:translateY(40px);opacity:.4}to{transform:none;opacity:1}}
@keyframes fade{from{opacity:0}to{opacity:1}}

/* Toast */
.toast{position:fixed;left:50%;bottom:calc(var(--tab-h) + var(--safe-b) + 18px);transform:translateX(-50%);background:var(--ink);color:#fff;padding:12px 18px;border-radius:14px;font-weight:700;font-size:14.5px;z-index:80;box-shadow:0 10px 30px rgba(0,0,0,.2);max-width:calc(100% - 32px);animation:up .2s}
.toast.err{background:var(--bad)}
@media (min-width:980px){.toast{bottom:28px}}

/* Login */
.auth{min-height:100dvh;display:flex;flex-direction:column;justify-content:center;padding:28px 20px;max-width:420px;margin:0 auto}
.auth .logo{display:flex;flex-direction:column;align-items:center;gap:10px;margin-bottom:26px;text-align:center}
.auth .logo img{max-height:84px;width:auto}
.crayons{display:flex;gap:6px;justify-content:center;margin:2px 0 6px}
.crayons i{width:30px;height:8px;border-radius:9px}

/* Hoy: alumnos */
.kid{display:flex;align-items:center;gap:12px}
.kid .info{flex:1;min-width:0}
.kid .name{font-weight:800;font-size:16px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.kid .acts{display:flex;gap:6px;flex:none}
.kidcard{border-left:5px solid transparent}
.kidcard.sel{outline:2.5px solid var(--brand);outline-offset:-2px}
.selbox{width:24px;height:24px;border-radius:8px;border:2px solid #BFD0DD;display:grid;place-items:center;flex:none}
.selbox.on{background:var(--brand);border-color:var(--brand);color:#fff}
.selbox svg{width:16px;height:16px}
.statgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}
.stat{background:#fff;border-radius:18px;padding:14px;box-shadow:var(--shadow)}
.stat .n{font-size:30px;font-weight:900;line-height:1}
.stat .l{font-size:13px;font-weight:700;color:var(--muted);margin-top:4px}
.bar{height:8px;border-radius:9px;background:#E7F0F6;overflow:hidden;margin-top:8px}
.bar i{display:block;height:100%;border-radius:9px}

/* Tipos de registro */
.types{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.type{border:1.5px solid var(--line);background:#fff;border-radius:16px;padding:10px 4px;display:flex;flex-direction:column;align-items:center;gap:4px;font-weight:800;font-size:12.5px;cursor:pointer}
.type .e{font-size:26px;line-height:1}
.type.on{border-color:var(--brand);background:var(--brand-soft);color:var(--brand)}
.opts{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}

/* Bitácora (línea de tiempo) */
.datenav{display:flex;align-items:center;justify-content:space-between;background:#fff;border-radius:16px;box-shadow:var(--shadow);padding:6px}
.datenav b{font-size:15.5px}
.datenav button{border:0;background:var(--field);width:40px;height:40px;border-radius:12px;display:grid;place-items:center;cursor:pointer}
.datenav button:disabled{opacity:.35}
.datenav svg{width:20px;height:20px}
.tl{position:relative;padding-left:4px}
.tl .ev{display:flex;gap:12px;padding:10px 0;position:relative}
.tl .ev:not(:last-child)::after{content:"";position:absolute;left:21px;top:52px;bottom:-6px;width:2px;background:var(--line)}
.tl .ic{width:44px;height:44px;border-radius:15px;display:grid;place-items:center;font-size:22px;flex:none;background:#fff;box-shadow:var(--shadow)}
.tl .tx{flex:1;min-width:0;padding-top:2px}
.tl .tm{font-size:12.5px;font-weight:800;color:var(--muted)}
.tl .tt{font-weight:800}
.tl .nt{color:var(--ink);font-size:14.5px;white-space:pre-wrap;margin-top:2px}

/* Fotos */
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:4px;border-radius:16px;overflow:hidden}
@media (min-width:700px){.pgrid{grid-template-columns:repeat(4,1fr)}}
@media (min-width:1100px){.pgrid{grid-template-columns:repeat(5,1fr)}}
.pgrid button{border:0;padding:0;aspect-ratio:1;background:#E3EDF4;cursor:pointer;overflow:hidden}
.pgrid img{width:100%;height:100%;object-fit:cover}
.strip{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none}
.strip::-webkit-scrollbar{display:none}
.strip button{flex:none;width:76px;height:76px;border-radius:14px;overflow:hidden;border:0;padding:0;background:#E3EDF4;cursor:pointer}
.strip img{width:100%;height:100%;object-fit:cover}
.lightbox{position:fixed;inset:0;background:#0d0f1c;z-index:70;display:flex;flex-direction:column}
.lightbox .lt{display:flex;align-items:center;gap:10px;padding:calc(10px + env(safe-area-inset-top,0px)) 12px 10px;color:#fff}
.lightbox .lt .iconbtn{background:rgba(255,255,255,.12);color:#fff;box-shadow:none}
.lightbox .img{flex:1;display:flex;align-items:center;justify-content:center;min-height:0;padding:0 6px;touch-action:pan-y}
.lightbox .img img{max-height:100%;max-width:100%;object-fit:contain;border-radius:6px}
.lightbox .cap{color:#e8e8ef;padding:12px 16px calc(16px + var(--safe-b));font-size:14.5px;text-align:center}
.thumbs{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin-top:10px}
.thumbs img{aspect-ratio:1;object-fit:cover;border-radius:10px;width:100%}
.progress{height:10px;background:#E7F0F6;border-radius:9px;overflow:hidden;margin-top:12px}
.progress i{display:block;height:100%;background:var(--brand);width:0;transition:width .25s}

/* Chat */
.chat{display:flex;flex-direction:column;gap:6px;padding:8px 16px 96px;max-width:760px;margin:0 auto}
.msg{max-width:82%;padding:9px 13px;border-radius:18px;background:#fff;box-shadow:var(--shadow);font-size:15.5px;white-space:pre-wrap;word-wrap:break-word;align-self:flex-start;border-bottom-left-radius:6px}
.msg.me{align-self:flex-end;background:var(--brand);color:var(--brand-ink);border-bottom-left-radius:18px;border-bottom-right-radius:6px}
.msg .who{font-size:12px;font-weight:800;color:var(--brand);margin-bottom:1px}
.msg .when{font-size:11px;opacity:.6;text-align:right;margin-top:2px}
.daysep{align-self:center;font-size:12px;font-weight:800;color:var(--muted);background:#E3EEF6;border-radius:999px;padding:3px 10px;margin:8px 0}
.composer{position:fixed;left:0;right:0;bottom:0;z-index:35;background:#fff;border-top:1px solid var(--line);padding:8px 10px calc(8px + var(--safe-b));display:flex;gap:8px;align-items:flex-end}
.composer textarea{flex:1;border:1.5px solid var(--line);background:var(--field);border-radius:20px;padding:10px 14px;resize:none;max-height:140px;font-size:16px;outline:0;min-height:44px}
.composer .btn{border-radius:50%;width:46px;height:46px;padding:0;flex:none}
@media (min-width:980px){.composer{left:250px}}
.unread{min-width:22px;height:22px;border-radius:999px;background:var(--coral);color:#fff;font-size:12px;font-weight:900;display:grid;place-items:center;padding:0 6px}

/* Avisos */
.ann{position:relative}
.ann .dot{position:absolute;top:18px;right:16px;width:10px;height:10px;border-radius:50%;background:var(--coral)}
.ann .body{white-space:pre-wrap;margin-top:8px;font-size:15px}
.ann.closed .body{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;color:var(--muted)}
.attach{display:inline-flex;align-items:center;gap:8px;margin-top:10px;padding:9px 12px;border-radius:12px;background:var(--field);text-decoration:none;color:var(--ink);font-weight:700;font-size:14px}
.attach svg{width:18px;height:18px}

/* Calendario */
.evrow{display:flex;gap:12px;align-items:flex-start}
.evdate{width:54px;flex:none;text-align:center;background:#fff;border-radius:14px;box-shadow:var(--shadow);padding:6px 0}
.evdate b{display:block;font-size:22px;line-height:1.05}
.evdate span{font-size:11.5px;font-weight:800;text-transform:uppercase;color:var(--coral)}

/* Tabla de reporte */
.tablewrap{overflow:auto;background:#fff;border-radius:var(--r);box-shadow:var(--shadow)}
table.rep{border-collapse:collapse;font-size:13px;min-width:100%}
table.rep th,table.rep td{padding:7px 6px;border-bottom:1px solid var(--line);text-align:center;white-space:nowrap}
table.rep th:first-child,table.rep td:first-child{text-align:left;position:sticky;left:0;background:#fff;padding-left:12px;font-weight:700}
table.rep td.p{color:var(--ok);font-weight:900}
table.rep td.f{color:var(--bad);font-weight:900}
table.rep td.we{background:#F3F8FC}

/* Detalles */
.kv{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;font-size:15px}
.kv dt{color:var(--muted);font-weight:700}
.kv dd{margin:0}
.alert{border-radius:14px;padding:11px 13px;font-size:14.5px;font-weight:600}
.alert.warn{background:var(--warn-soft);color:#7A5210}
.alert.bad{background:var(--bad-soft);color:var(--bad)}
.alert.ok{background:var(--ok-soft);color:#0C6B51}
.alert.info{background:var(--brand-soft);color:var(--ink)}
.linkbox{display:flex;gap:8px;align-items:center;background:#fff;border:1.5px dashed var(--line);border-radius:12px;padding:10px 12px;font-size:13px;word-break:break-all;margin-top:10px}
.hello{margin:6px 0 14px}
.hello h1{font-size:27px}
.swatches{display:flex;gap:8px;flex-wrap:wrap;margin-top:6px}
.swatches button{width:36px;height:36px;border-radius:12px;border:3px solid #fff;box-shadow:0 0 0 1.5px var(--line);cursor:pointer}
.swatches button.on{box-shadow:0 0 0 2.5px var(--ink)}
.spin{width:28px;height:28px;border-radius:50%;border:3px solid var(--brand-soft);border-top-color:var(--brand);animation:sp 0.8s linear infinite;margin:40px auto}
@keyframes sp{to{transform:rotate(360deg)}}
.top>a.iconbtn:last-child{margin-left:auto}
body.chatmode .tabs,body.chatmode .fab{display:none}