:root{
  --bg:#f5f5f7;--card:#fff;--text:#1d1d1f;--sub:#6e6e73;--line:rgba(0,0,0,.08);
  --blue:#0071e3;--green:#248a3d;--red:#d70015;--fill:rgba(120,120,128,.12);--amber:#b86e00;
  --shadow:0 1px 2px rgba(0,0,0,.04),0 6px 24px rgba(0,0,0,.05);
}
@media(prefers-color-scheme:dark){:root{
  --bg:#000;--card:#1c1c1e;--text:#f5f5f7;--sub:#98989d;--line:rgba(255,255,255,.12);
  --blue:#0a84ff;--green:#30d158;--red:#ff453a;--fill:rgba(120,120,128,.28);--amber:#ffb340;--shadow:none}}
*{box-sizing:border-box;margin:0}
html{-webkit-text-size-adjust:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI Variable Text","Segoe UI",system-ui,sans-serif;
  background:var(--bg);color:var(--text);font-size:16px;line-height:1.4;-webkit-font-smoothing:antialiased}
button,input,select{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
a{color:inherit;text-decoration:none}
svg{fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* ---------- estructura ---------- */
.shell{min-height:100dvh;display:flex}
.side{display:none}
.main{flex:1;min-width:0;padding-bottom:calc(88px + env(safe-area-inset-bottom))}
.page{max-width:1080px;margin:0 auto;padding:4px 16px 32px}
.top{position:sticky;top:0;z-index:15;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:10px 16px;background:color-mix(in srgb,var(--bg) 78%,transparent);backdrop-filter:saturate(180%) blur(20px);
  -webkit-backdrop-filter:saturate(180%) blur(20px)}
.brand{font-weight:700;letter-spacing:-.01em}
.brand small{font-weight:500;color:var(--sub);margin-left:6px}
.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:20;display:flex;padding:6px 4px calc(6px + env(safe-area-inset-bottom));
  background:color-mix(in srgb,var(--card) 80%,transparent);backdrop-filter:saturate(180%) blur(20px);
  -webkit-backdrop-filter:saturate(180%) blur(20px);border-top:1px solid var(--line)}
.tabbar button{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;padding:4px 0;font-size:10.5px;color:var(--sub)}
.tabbar button.on{color:var(--blue)}
.tabbar svg{width:25px;height:25px}

h1{font-size:32px;font-weight:700;letter-spacing:-.025em;margin:14px 0 2px}
h2{font-size:20px;font-weight:700;letter-spacing:-.015em;margin:22px 0 10px}
.sub{color:var(--sub);font-size:15px}
.head{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:14px}

/* ---------- componentes ---------- */
.card{background:var(--card);border-radius:18px;box-shadow:var(--shadow);padding:16px}
.grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(310px,1fr))}
.rows{background:var(--card);border-radius:18px;box-shadow:var(--shadow);overflow:hidden}
.row{display:flex;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--line);width:100%;text-align:left}
.row:last-child{border-bottom:0}
button.row:hover{background:var(--fill)}
.row .grow{flex:1;min-width:0}
.row b,.row .t{display:block;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.row .s{display:block;color:var(--sub);font-size:14px}
.btn{padding:9px 18px;border-radius:980px;background:var(--blue);color:#fff;font-weight:600;font-size:15px;white-space:nowrap;display:inline-block;text-align:center}
.btn:hover{filter:brightness(1.08)}
.btn.sec{background:var(--fill);color:var(--blue)}
.btn.warn{background:#ff9500;color:#fff}
/* clase de la que el cliente se dio de baja: se distingue en naranja */
.card.own{background:color-mix(in srgb,#ff9500 9%,var(--card));box-shadow:0 0 0 2px rgba(255,149,0,.65),var(--shadow)}
.wi.cxl{background:rgba(255,149,0,.2);color:var(--text)}.wi.cxl small{color:var(--amber)}
.md i.x{background:#ff9500;opacity:1}
.cxrow{box-shadow:inset 4px 0 0 #ff9500}
.lnk{color:var(--blue);font-weight:600;font-size:12.5px;padding:0}
.okbox{background:rgba(52,199,89,.14);border-radius:12px;padding:10px 12px;font-size:14px}
.bn-big{font-size:56px;font-weight:700;letter-spacing:-.04em;line-height:1;color:var(--blue)}
.asme{width:auto;max-width:220px;padding:6px 10px;font-size:14px}
.btn.ok{background:rgba(52,199,89,.16);color:var(--green)}
.btn.danger{background:rgba(255,59,48,.12);color:var(--red)}
.btn.sm{padding:6px 13px;font-size:14px}
.btn[disabled]{opacity:.45;cursor:not-allowed;filter:none}
.pill{display:inline-block;padding:2px 10px;border-radius:980px;font-size:12.5px;font-weight:600;white-space:nowrap}
.pill.g{background:rgba(52,199,89,.16);color:var(--green)}
.pill.o{background:rgba(255,149,0,.16);color:#b86e00}
.pill.b{background:rgba(0,113,227,.12);color:var(--blue)}
.pill.x{background:var(--fill);color:var(--sub)}
@media(prefers-color-scheme:dark){.pill.o{color:#ffb340}}
.seg{display:inline-flex;background:var(--fill);border-radius:10px;padding:2px}
.seg button{padding:5px 14px;border-radius:8px;font-size:14px;font-weight:600;color:var(--sub)}
.seg button.on{background:var(--card);color:var(--text);box-shadow:0 1px 3px rgba(0,0,0,.12)}
.strip{display:grid;grid-template-columns:repeat(7,1fr);gap:6px;margin:6px 0 12px}
.day{padding:8px 0;border-radius:14px;background:var(--card);box-shadow:var(--shadow);display:flex;flex-direction:column;align-items:center}
.day small{font-size:11px;color:var(--sub);text-transform:uppercase;letter-spacing:.04em}
.day b{font-size:19px;font-weight:600}
.day.td b{color:var(--blue)}
.day.on{background:var(--blue);color:#fff}.day.on small,.day.on b{color:#fff}

.fxbar{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:12px}
.fxchip{padding:6px 12px;background:rgba(0,113,227,.12);color:var(--blue);font-weight:600;cursor:pointer}
.fxchip span{opacity:.7}
.fxchip:hover{background:rgba(0,113,227,.2)}

/* barra del calendario */
.tb{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin:16px 0 10px}
.tt{font-size:20px;font-weight:700;letter-spacing:-.015em}
.tc{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.nav{display:inline-flex;background:var(--fill);border-radius:10px;padding:2px}
.nav button{padding:5px 13px;border-radius:8px;font-size:15px;font-weight:600;color:var(--blue)}
.nav button:hover{background:var(--card)}
/* vista semana */
.week{display:grid;gap:10px;grid-template-columns:1fr}
.wd{background:var(--card);border-radius:16px;box-shadow:var(--shadow);padding:8px;display:flex;flex-direction:column;gap:6px;min-width:0}
.wh{display:flex;align-items:baseline;gap:8px;padding:4px 6px;text-align:left}
.wh small{font-size:12px;color:var(--sub);text-transform:uppercase;letter-spacing:.04em}
.wh b{font-size:18px}
.wd.today .wh b{color:var(--blue)}
.wi{display:flex;flex-direction:column;align-items:flex-start;gap:1px;text-align:left;padding:7px 9px;border-radius:10px;background:var(--fill);font-size:13.5px;width:100%}
.wi b{font-size:13px}
.wi small{font-size:12px;color:var(--sub)}
.wi.mine{background:var(--blue);color:#fff}.wi.mine small{color:rgba(255,255,255,.85)}
.wi.full{opacity:.6}
.wi.blk{background:repeating-linear-gradient(135deg,var(--fill) 0 6px,transparent 6px 12px)}
.wempty{color:var(--sub);padding:4px 8px;font-size:13px}
/* vista mes */
.month{background:var(--card);border-radius:18px;box-shadow:var(--shadow);overflow:hidden}
.mh,.mg{display:grid;grid-template-columns:repeat(7,1fr)}
.mh span{text-align:center;font-size:12px;color:var(--sub);padding:8px 0;text-transform:uppercase;letter-spacing:.04em}
.mc{min-height:64px;padding:6px 2px;border-top:1px solid var(--line);border-left:1px solid var(--line);display:flex;flex-direction:column;align-items:center;gap:4px;min-width:0}
.mc:nth-child(7n+1){border-left:0}
.mc:hover{background:var(--fill)}
.mc b{font-size:15px;width:26px;height:26px;display:grid;place-items:center;border-radius:50%;font-weight:600}
.mc.today b{background:var(--blue);color:#fff}
.mc.out{opacity:.35}
.md{display:flex;gap:3px;flex-wrap:wrap;justify-content:center}
.md i{width:6px;height:6px;border-radius:50%;background:var(--sub);opacity:.45}
.md i.m{background:var(--blue);opacity:1}
.mc small{font-size:11px;color:var(--sub);display:none}
/* editor de horario con arrastrar y soltar */
.pal .pcols{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:12px}
.pal label span{display:block;font-size:12.5px;color:var(--sub);margin-bottom:4px}
.pal .inp{padding:8px 10px}
.tchip{padding:7px 14px;border-radius:980px;background:var(--fill);font-weight:600;font-size:14px;cursor:grab}
.tchip.on{background:var(--blue);color:#fff}
.tchip.add{cursor:pointer;color:var(--blue);background:transparent;border:1px dashed var(--blue)}
.gridbox{background:var(--card);border-radius:18px;box-shadow:var(--shadow);overflow:auto;max-height:66vh;user-select:none;-webkit-user-select:none}
.gwrap{display:grid;grid-template-columns:44px repeat(7,minmax(104px,1fr));min-width:800px}
.gday{min-width:0}
.gday.gt{position:sticky;left:0;z-index:6;background:var(--card)}
.ghead{height:34px;display:flex;align-items:center;justify-content:space-between;padding:0 8px;position:sticky;top:0;z-index:5;background:var(--card);border-bottom:1px solid var(--line);font-size:13px}
.ghead button{color:var(--sub);font-size:18px;line-height:1;padding:0 5px;border-radius:6px}
.ghead button:hover{background:var(--fill)}
.gcol{position:relative;border-left:1px solid var(--line);
  background-image:linear-gradient(to bottom,var(--line) 1px,transparent 1px),linear-gradient(to bottom,rgba(120,120,128,.08) 1px,transparent 1px);background-size:100% 60px,100% 30px}
.gcol.paint{cursor:crosshair}
.gt .gcol{border-left:0;background-image:none}
.gt .gcol span{position:absolute;right:6px;font-size:11px;color:var(--sub);transform:translateY(-7px)}
.ev{position:absolute;left:3px;right:3px;z-index:2;border-radius:8px;border-left:3px solid var(--mc,var(--blue));background:color-mix(in srgb,var(--mc,var(--blue)) 20%,transparent);padding:3px 6px;font-size:12.5px;line-height:1.25;overflow:hidden;cursor:grab;text-align:left}
.ev small{display:block;font-size:11px;color:var(--sub)}
.ev.m-1{border-color:#34c759;background:rgba(52,199,89,.2)}
.ev.m-2{border-color:#ff9500;background:rgba(255,149,0,.2)}
.ev:hover{filter:brightness(.97)}
.gb{position:absolute;left:0;right:0;z-index:1;pointer-events:none;background:repeating-linear-gradient(135deg,rgba(120,120,128,.2) 0 6px,transparent 6px 12px);padding:3px 6px}
.gb{display:flex;align-items:flex-end}
.gb small{font-size:11px;color:var(--sub)}
.ghost{position:absolute;left:3px;right:3px;z-index:4;pointer-events:none;border-radius:8px;border:2px dashed var(--blue);background:rgba(0,113,227,.22);font-size:12px;padding:2px 6px;color:var(--blue);font-weight:600}
.ghost.bad{border-color:var(--red);background:rgba(255,59,48,.18);color:var(--red)}
.legend{display:flex;gap:14px;flex-wrap:wrap;font-size:13px;color:var(--sub);margin-top:10px}
.legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:5px;vertical-align:-1px}
.avatar{flex:0 0 auto;width:38px;height:38px;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:600;font-size:14px}
.sess{display:flex;gap:14px;align-items:center}
.sess .time{font-size:22px;font-weight:700;letter-spacing:-.02em;min-width:64px}
.sess .info{flex:1;min-width:0}
.sess .info b{font-size:17px}
.dots{display:flex;gap:4px;align-items:center;margin-top:6px;font-size:13px;color:var(--sub)}
.dots i{width:9px;height:9px;border-radius:50%;background:var(--blue)}
.dots i.e{background:var(--fill)}
.dots span{margin-left:6px}
.note{font-size:13px;color:var(--red);margin-top:8px}
.muted{opacity:.62}
.stats{display:grid;gap:12px;grid-template-columns:repeat(3,1fr);margin-bottom:6px}
.stat .n{font-size:26px;font-weight:700;letter-spacing:-.02em}
.stat .l{font-size:13px;color:var(--sub)}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.chip{display:inline-flex;align-items:center;gap:4px;padding:5px 6px 5px 11px;border-radius:980px;background:var(--fill);font-size:14px}
.chip.ok{background:rgba(52,199,89,.18);color:var(--green);font-weight:600}
.chip button{color:var(--sub);padding:0 5px;font-size:15px}
.chip b{cursor:pointer;font-weight:inherit}
.step{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--sub)}
.step button{width:26px;height:26px;border-radius:50%;background:var(--fill);font-size:17px;line-height:1;color:var(--text)}
.field{display:block;margin-bottom:12px}
.field>span{display:block;font-size:13px;color:var(--sub);margin-bottom:5px}
.inp{width:100%;padding:11px 14px;border-radius:12px;border:1px solid var(--line);background:var(--card);outline:none}
.inp:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(0,113,227,.2)}
.cols{display:grid;gap:12px;grid-template-columns:1fr 1fr}
.dchips{display:flex;gap:6px;flex-wrap:wrap}
.dchip{padding:7px 12px;border-radius:980px;background:var(--fill);font-size:14px;font-weight:600;color:var(--sub)}
.dchip.on{background:var(--blue);color:#fff}
.warn{background:rgba(255,149,0,.14);border-radius:12px;padding:10px 12px;font-size:14px;margin-top:10px}
.empty{text-align:center;color:var(--sub);padding:40px 16px}
.row.wrap{flex-wrap:wrap}
.acts{display:flex;gap:6px;align-items:center;flex:none}
@media(max-width:600px){.row.wrap .acts{width:100%;justify-content:flex-end}}

/* ---------- ajustes, interruptores, monitores ---------- */
.sw{position:relative;display:inline-block;width:51px;height:31px;flex:none}
.sw input{position:absolute;inset:0;opacity:0;width:100%;height:100%;margin:0;cursor:pointer;z-index:2}
.sw i{position:absolute;inset:0;border-radius:31px;background:rgba(120,120,128,.32);transition:.2s}
.sw i::after{content:"";position:absolute;top:2px;left:2px;width:27px;height:27px;border-radius:50%;background:#fff;box-shadow:0 2px 4px rgba(0,0,0,.25);transition:.2s}
.sw input:checked+i{background:#34c759}
.sw input:checked+i::after{transform:translateX(20px)}
.sw input:focus-visible+i{box-shadow:0 0 0 3px rgba(0,113,227,.35)}
.set .row{align-items:center;gap:14px}
.set .row .grow .s{white-space:normal}
.set .row .t{white-space:normal}
.numin{width:78px;text-align:right;padding:8px 10px}
.badge{display:inline-grid;place-items:center;min-width:19px;height:19px;padding:0 5px;border-radius:19px;background:#ff3b30;color:#fff;font-size:11.5px;font-weight:700;margin-left:6px}
.tabbar .badge{position:absolute;top:0;right:calc(50% - 22px);margin:0}
.tabbar button{position:relative}
.mon{display:flex;flex-direction:column;gap:12px}
.mon .top2{display:flex;align-items:center;gap:12px}
.mon .top2 .grow{flex:1;min-width:0}
.mon.off{opacity:.62}
.mstats{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;text-align:center}
.mstats b{display:block;font-size:19px;letter-spacing:-.02em}
.mstats span{font-size:11.5px;color:var(--sub)}
.bar{height:8px;border-radius:8px;background:var(--fill);overflow:hidden}
.bar i{display:block;height:100%;border-radius:8px;background:var(--blue)}
.bar i.hi{background:#ff9500}
.cdots{display:flex;gap:8px;flex-wrap:wrap}
.cdot{width:30px;height:30px;border-radius:50%;border:3px solid transparent;cursor:pointer}
.cdot.on{border-color:var(--text)}
.mnav{display:flex;align-items:center;gap:8px}

/* ---------- hoja modal ---------- */
#sheet{position:fixed;inset:0;z-index:50;display:none;background:rgba(0,0,0,.35);align-items:flex-end;justify-content:center}
#sheet.show{display:flex}
#sheet .box{background:var(--bg);width:100%;max-width:520px;max-height:90dvh;overflow:auto;border-radius:22px 22px 0 0;padding:20px 18px calc(24px + env(safe-area-inset-bottom))}
#sheet h2{margin-top:0}
#toast{position:fixed;left:50%;bottom:calc(96px + env(safe-area-inset-bottom));transform:translate(-50%,20px);opacity:0;z-index:60;
  background:rgba(30,30,32,.92);color:#fff;padding:10px 18px;border-radius:980px;font-size:14.5px;transition:.25s;pointer-events:none;max-width:90vw;text-align:center}
#toast.show{opacity:1;transform:translate(-50%,0)}

/* ---------- login ---------- */
.login{min-height:100dvh;display:grid;place-items:center;padding:24px}
.login .card{width:100%;max-width:380px;padding:32px 26px;text-align:center}
.logo{width:68px;height:68px;border-radius:18px;margin:0 auto 14px;background:linear-gradient(145deg,#4da3ff,#0071e3);display:grid;place-items:center;color:#fff}
.logo svg{width:34px;height:34px}
.login h1{font-size:28px;margin:4px 0 4px}
.login .field{text-align:left}
.login .btn{width:100%;padding:12px;margin-top:4px}
.login .alt{display:flex;flex-direction:column;gap:8px;margin-top:18px;padding-top:18px;border-top:1px solid var(--line)}

/* ---------- escritorio ---------- */
@media(min-width:900px){
  .week{grid-template-columns:repeat(7,1fr)}
  .wh{flex-direction:column;align-items:flex-start;gap:0}
  .mc{min-height:92px;align-items:flex-start;padding:8px 10px}
  .mc small{display:block}
  .md{justify-content:flex-start}
  .md i{width:7px;height:7px}
  .gridbox{max-height:70vh}
  .side{display:flex;flex-direction:column;width:244px;flex:0 0 244px;position:sticky;top:0;height:100dvh;padding:22px 14px;
    background:color-mix(in srgb,var(--card) 72%,transparent);backdrop-filter:saturate(180%) blur(20px);border-right:1px solid var(--line)}
  .side .brand{font-size:18px;padding:0 10px 18px}
  .side nav{display:flex;flex-direction:column;gap:2px}
  .side nav button{display:flex;align-items:center;gap:11px;padding:9px 12px;border-radius:10px;font-weight:500;color:var(--text);text-align:left}
  .side nav button svg{width:21px;height:21px;color:var(--sub)}
  .side nav button:hover{background:var(--fill)}
  .side nav button.on{background:rgba(0,113,227,.12);color:var(--blue)}
  .side nav button.on svg{color:var(--blue)}
  .side .me{margin-top:auto;display:flex;align-items:center;gap:10px;padding:12px 10px;border-top:1px solid var(--line)}
  .side .me .grow{flex:1;min-width:0}
  .tabbar,.top .brand{display:none}
  .top{justify-content:flex-end;padding:14px 40px}
  .main{padding-bottom:0}
  .page{padding:0 40px 56px}
  h1{font-size:38px}
  #sheet{align-items:center}
  #sheet .box{border-radius:22px;max-width:480px}
  #toast{bottom:32px}
}
.a2h-list{display:grid;gap:10px;margin-top:14px}
.a2h{background:var(--fill);border-radius:14px;padding:12px 14px}
.a2h-t{display:flex;align-items:center;gap:8px;margin-bottom:6px}
.steps{list-style:none;padding:0;counter-reset:st;display:grid;gap:6px;font-size:14px}
.steps li{counter-increment:st;position:relative;padding-left:30px;min-height:22px}
.steps li::before{content:counter(st);position:absolute;left:0;top:1px;width:20px;height:20px;border-radius:50%;background:var(--blue);color:#fff;font-size:12px;font-weight:700;display:grid;place-items:center}
.kbd{display:inline-block;padding:0 6px;border-radius:6px;background:var(--card);border:1px solid var(--line);font-size:13px}
@media(min-width:760px){.a2h-list{grid-template-columns:1fr 1fr}}
/* ---------- asistentes de una clase (gestión) ---------- */
.plist{margin-top:10px}
.pp{display:flex;align-items:center;gap:8px;padding:6px 0;border-top:1px solid var(--line)}
.pp .nm{flex:1;min-width:0;font-size:15px}
.tag{font-size:11.5px;color:var(--sub);background:var(--fill);padding:1px 7px;border-radius:9px;margin-left:6px;white-space:nowrap}
.chk{flex:none;width:28px;height:28px;border-radius:50%;background:var(--fill);color:var(--sub);font-weight:700;font-size:14px}
.chk.on{background:var(--green);color:#fff}.chk.no{background:var(--red);color:#fff}
.xbtn{flex:none;color:var(--sub);font-size:20px;line-height:1;padding:2px 8px;border-radius:8px}.xbtn:hover{background:var(--fill);color:var(--red)}
.addrow{display:flex;gap:8px;margin-top:10px}.addrow .inp{padding:7px 10px}
.sess .step{flex:none}