/* Portal del cliente · Fellmann Training — móvil primero, marca en blanco y negro */
:root{
  --bg:#f4f4f2; --card:#ffffff; --ink:#0b0b0b; --muted:#6d6d6d; --line:#e6e6e3; --soft:#efefec;
  --brand:#000000; --brand-ink:#ffffff; --ok:#1f8a4c; --warn:#b26a00; --bad:#c0392b;
  --r:18px; --sombra:0 1px 2px rgba(0,0,0,.04),0 8px 24px rgba(0,0,0,.05);
  --safe-b:env(safe-area-inset-bottom); --safe-t:env(safe-area-inset-top);
}
@media (prefers-color-scheme:dark){:root{
  --bg:#000000; --card:#121212; --ink:#f2f2f2; --muted:#9a9a9a; --line:#262626; --soft:#1b1b1b;
  --brand:#ffffff; --brand-ink:#000000; --sombra:none;
}}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;background:var(--bg);color:var(--ink)}
body{font:16px/1.45 -apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Inter,Roboto,Arial,sans-serif;-webkit-font-smoothing:antialiased;min-height:100vh;overscroll-behavior-y:none}
a{color:inherit}
img{max-width:100%}
button,input,select,textarea{font:inherit;color:inherit}
.oculto{display:none!important}
.cargando-inicio{min-height:100vh;display:grid;place-items:center;background:#000}
.cargando-inicio img{width:150px;opacity:.9;animation:lat 1.4s ease-in-out infinite}
@keyframes lat{50%{opacity:.4}}

/* ---------- login ---------- */
.login{min-height:100vh;background:#000;color:#fff;display:flex;flex-direction:column;justify-content:center;padding:calc(40px + var(--safe-t)) 24px calc(32px + var(--safe-b));max-width:460px;margin:0 auto}
.login .logo{width:190px;margin:0 auto 10px;display:block}
.login .lema{text-align:center;color:#a5a5a5;letter-spacing:.14em;text-transform:uppercase;font-size:11px;margin:0 0 40px}
.login label{color:#a5a5a5}
.login input{background:#141414;border-color:#2a2a2a;color:#fff}
.login input:focus{border-color:#fff}
.login .btn{background:#fff;color:#000;border-color:#fff;margin-top:18px}
.login .ayuda{color:#8a8a8a;font-size:13px;text-align:center;margin-top:22px}
.login .error{color:#ff8a80;font-size:14px;min-height:20px;margin-top:10px;text-align:center}

/* ---------- estructura ---------- */
.cab{position:sticky;top:0;z-index:30;background:#000;color:#fff;padding:calc(10px + var(--safe-t)) 18px 10px;display:flex;align-items:center;justify-content:space-between}
.cab img{height:34px}
.cab .yo{background:#1c1c1c;border:0;color:#fff;width:36px;height:36px;border-radius:50%;font-weight:700;font-size:14px;cursor:pointer}
main{max-width:640px;margin:0 auto;padding:16px 16px calc(96px + var(--safe-b))}
.nav{position:fixed;left:0;right:0;bottom:0;z-index:40;background:color-mix(in srgb,var(--card) 92%,transparent);backdrop-filter:saturate(180%) blur(18px);-webkit-backdrop-filter:saturate(180%) blur(18px);border-top:1px solid var(--line);display:flex;justify-content:space-around;padding:6px 4px calc(6px + var(--safe-b))}
.nav a{flex:1;text-decoration:none;display:flex;flex-direction:column;align-items:center;gap:2px;font-size:11px;font-weight:600;color:var(--muted);padding:4px 0;border-radius:12px}
.nav a svg{width:25px;height:25px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.nav a.on{color:var(--ink)}
.nav a.on svg{stroke-width:2.3}

h1{font-size:28px;line-height:1.15;margin:6px 0 4px;letter-spacing:-.02em}
h2{font-size:19px;margin:26px 0 10px;letter-spacing:-.01em}
h3{font-size:16px;margin:0 0 6px}
.sub{color:var(--muted);margin:0 0 16px;font-size:15px}
.muted{color:var(--muted)} .peq{font-size:13px}
.card{background:var(--card);border-radius:var(--r);padding:16px;box-shadow:var(--sombra);border:1px solid var(--line);margin-bottom:12px}
.card.negra{background:var(--brand);color:var(--brand-ink);border-color:var(--brand)}
.card.negra .muted{color:color-mix(in srgb,var(--brand-ink) 60%,transparent)}
.fila{display:flex;gap:10px;align-items:center}
.entre{display:flex;justify-content:space-between;align-items:center;gap:10px}
.rejilla2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.rejilla3{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.etiqueta{display:inline-block;font-size:12px;font-weight:600;padding:3px 9px;border-radius:99px;background:var(--soft);color:var(--muted)}
.etiqueta.ok{background:color-mix(in srgb,var(--ok) 14%,transparent);color:var(--ok)}
.vacio{text-align:center;color:var(--muted);padding:26px 10px}
.vacio b{display:block;color:var(--ink);font-size:17px;margin-bottom:4px}

/* ---------- formularios y botones ---------- */
label{display:block;font-size:13px;font-weight:600;color:var(--muted);margin:12px 0 5px}
input,select,textarea{width:100%;font-size:17px;padding:13px 14px;border-radius:13px;border:1.5px solid var(--line);background:var(--card);outline:none;-webkit-appearance:none;appearance:none}
input:focus,select:focus,textarea:focus{border-color:var(--ink)}
textarea{min-height:110px;resize:vertical}
.btn{display:flex;width:100%;align-items:center;justify-content:center;gap:8px;padding:15px 18px;border-radius:14px;border:1.5px solid var(--brand);background:var(--brand);color:var(--brand-ink);font-size:17px;font-weight:700;cursor:pointer;text-decoration:none}
.btn.sec{background:transparent;color:var(--ink);border-color:var(--line)}
.btn.peq{width:auto;padding:9px 14px;font-size:15px;border-radius:12px}
.btn:disabled{opacity:.5}
.btn:active{transform:scale(.985)}
.btn-link{background:none;border:0;padding:6px;color:var(--muted);font-size:14px;cursor:pointer;text-decoration:underline}
.acciones{display:grid;gap:10px;margin-top:16px}
.segmento{display:flex;background:var(--soft);border-radius:13px;padding:3px;gap:3px;margin:4px 0 14px}
.segmento button{flex:1;border:0;background:transparent;padding:9px 6px;border-radius:10px;font-weight:600;font-size:14px;color:var(--muted);cursor:pointer}
.segmento button.on{background:var(--card);color:var(--ink);box-shadow:0 1px 3px rgba(0,0,0,.12)}
.chips{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;margin:0 -16px 12px;padding:2px 16px}
.chips::-webkit-scrollbar{display:none}
.chip{flex:none;border:1.5px solid var(--line);background:var(--card);border-radius:99px;padding:8px 14px;font-weight:600;font-size:14px;cursor:pointer;white-space:nowrap}
.chip.on{background:var(--brand);color:var(--brand-ink);border-color:var(--brand)}

/* ---------- inicio ---------- */
.saludo{margin:4px 0 16px}
.saludo h1{margin-bottom:2px}
.accesos{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:12px}
.acceso{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:14px 8px;text-align:center;font-weight:600;font-size:13px;cursor:pointer;box-shadow:var(--sombra)}
.acceso span{display:block;font-size:26px;margin-bottom:4px}
.dato b{display:block;font-size:24px;letter-spacing:-.02em}
.dato span{color:var(--muted);font-size:13px}
.tendencia{font-size:13px;font-weight:600}
.tendencia.baja{color:var(--ok)} .tendencia.sube{color:var(--warn)}

/* ---------- entreno ---------- */
.ejercicio{padding:14px 16px}
.ejercicio .num{flex:none;width:30px;height:30px;border-radius:50%;background:var(--soft);display:grid;place-items:center;font-weight:700;font-size:14px}
.ejercicio .nombre{font-weight:700;line-height:1.25}
.ejercicio .pauta{font-size:14px;color:var(--muted)}
.ejercicio .ultimo{font-size:13px;color:var(--muted);margin-top:8px}
.ejercicio .hecho{color:var(--ok);font-weight:700}
.botones{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}
.series{margin-top:12px;display:grid;gap:8px}
.serie{display:grid;grid-template-columns:28px 1fr 1fr;gap:8px;align-items:center}
.serie .n{font-weight:700;color:var(--muted);text-align:center}
.serie input{padding:11px 10px;text-align:center}
.unidad{font-size:11px;color:var(--muted);text-align:center;margin-top:-4px}
.html-plan{font-size:15px}
.html-plan h2,.html-plan h3{font-size:17px;margin:18px 0 6px}
.html-plan h4{font-size:14px;letter-spacing:.04em;margin:16px 0 4px}
.html-plan p{margin:4px 0}
.html-plan ul{margin:4px 0;padding-left:20px}
.html-plan .macros{font-size:13px;font-weight:600;color:var(--muted);background:var(--soft);display:inline-block;padding:2px 9px;border-radius:8px}
.html-plan a{word-break:break-all}
.tabla{overflow-x:auto;margin:8px 0;-webkit-overflow-scrolling:touch}
.tabla table{border-collapse:collapse;font-size:13px;min-width:100%}
.tabla th,.tabla td{border-bottom:1px solid var(--line);padding:7px 8px;text-align:left;vertical-align:top}
.tabla th{font-size:12px;color:var(--muted)}

/* ---------- dieta ---------- */
.fecha-nav{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.fecha-nav button{border:0;background:var(--soft);width:40px;height:40px;border-radius:50%;font-size:20px;cursor:pointer}
.fecha-nav b{font-size:17px}
.resumen-dia{display:flex;gap:16px;align-items:center}
.anillo{width:122px;height:122px;flex:none}
.a-fondo{fill:none;stroke:var(--soft);stroke-width:11}
.a-valor{fill:none;stroke:var(--brand);stroke-width:11;stroke-linecap:round;transition:stroke-dasharray .6s}
.anillo.pasa .a-valor{stroke:var(--warn)}
.a-num{font-size:25px;font-weight:800;fill:var(--ink)}
.a-sub{font-size:11px;fill:var(--muted)}
.card.negra .a-fondo{stroke:color-mix(in srgb,var(--brand-ink) 18%,transparent)}
.card.negra .a-valor{stroke:var(--brand-ink)}
.card.negra .a-num{fill:var(--brand-ink)} .card.negra .a-sub{fill:color-mix(in srgb,var(--brand-ink) 60%,transparent)}
.macros-barras{flex:1;display:grid;gap:9px}
.mbarra .entre{font-size:13px}
.mbarra .entre b{font-size:13px}
.barra{height:7px;border-radius:9px;background:var(--soft);overflow:hidden;margin-top:3px}
.card.negra .barra{background:color-mix(in srgb,var(--brand-ink) 18%,transparent)}
.barra i{display:block;height:100%;border-radius:9px;background:var(--brand);transition:width .6s}
.card.negra .barra i{background:var(--brand-ink)}
.comida{display:flex;gap:12px;align-items:center;cursor:pointer}
.comida img,.comida .sinfoto{width:58px;height:58px;border-radius:13px;object-fit:cover;flex:none;background:var(--soft);display:grid;place-items:center;font-size:24px}
.comida .info{flex:1;min-width:0}
.comida .info b{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.comida .kcal{font-weight:800;text-align:right;white-space:nowrap}
.alimento{display:grid;grid-template-columns:1fr 74px;gap:8px;align-items:center;border-top:1px solid var(--line);padding:10px 0}
.alimento input{padding:9px 8px;font-size:15px}
.alimento .mac{grid-column:1 / -1;display:grid;grid-template-columns:repeat(4,1fr);gap:6px}
.alimento .mac input{text-align:center}
.alimento .mac span{display:block;font-size:10px;color:var(--muted);text-align:center;margin-top:2px}
.dia-plan .comida-plan{border-top:1px solid var(--line);padding:10px 0}
.dia-plan .comida-plan:first-child{border-top:0;padding-top:0}
.suple{display:flex;gap:12px;align-items:flex-start}
.suple .ico{flex:none;width:40px;height:40px;border-radius:12px;background:var(--soft);display:grid;place-items:center;font-size:20px}
.analizando{text-align:center;padding:30px 10px}
.analizando img{width:100%;max-height:260px;object-fit:cover;border-radius:16px;margin-bottom:16px}
.puntos{display:inline-flex;gap:6px}
.puntos i{width:9px;height:9px;border-radius:50%;background:var(--ink);animation:pt 1s infinite}
.puntos i:nth-child(2){animation-delay:.15s}.puntos i:nth-child(3){animation-delay:.3s}
@keyframes pt{50%{opacity:.2;transform:translateY(-3px)}}

/* ---------- progreso ---------- */
.grafica{width:100%;height:auto;display:block;color:var(--ink);overflow:visible}
.g-rejilla{stroke:var(--line);stroke-width:1}
.g-objetivo{stroke:var(--muted);stroke-width:1.2;stroke-dasharray:4 4}
.g-eje{font-size:10px;fill:var(--muted)}
.g-valor{font-size:12px;font-weight:800;fill:var(--ink);paint-order:stroke;stroke:var(--card);stroke-width:4px;stroke-linejoin:round}
.g-linea{fill:none;stroke-width:2.6;stroke-linejoin:round;stroke-linecap:round}
.g-area{opacity:.07}
.g-punto{fill:var(--card);stroke-width:2}
.g-vacia{color:var(--muted);text-align:center;padding:30px 0;font-size:14px}
.fotos{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}
.fotos figure{margin:0;position:relative;aspect-ratio:3/4;border-radius:12px;overflow:hidden;background:var(--soft);cursor:pointer}
.fotos img{width:100%;height:100%;object-fit:cover;display:block}
.fotos figcaption{position:absolute;left:6px;bottom:6px;background:rgba(0,0,0,.6);color:#fff;font-size:11px;padding:2px 7px;border-radius:8px}
.comparar{position:relative;aspect-ratio:3/4;border-radius:16px;overflow:hidden;background:var(--soft);user-select:none;touch-action:pan-y}
.comparar img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.comparar .antes{clip-path:inset(0 50% 0 0)}
.comparar .linea{position:absolute;top:0;bottom:0;left:50%;width:3px;background:#fff;box-shadow:0 0 6px rgba(0,0,0,.4);transform:translateX(-50%)}
.comparar .linea::after{content:"⟷";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:#fff;color:#000;width:38px;height:38px;border-radius:50%;display:grid;place-items:center;font-weight:800}
.comparar .et{position:absolute;top:10px;background:rgba(0,0,0,.65);color:#fff;font-size:12px;font-weight:700;padding:3px 9px;border-radius:9px}
.comparar input[type=range]{position:absolute;inset:0;width:100%;height:100%;opacity:0;margin:0;cursor:ew-resize;padding:0}
.slot{aspect-ratio:3/4;border:2px dashed var(--line);border-radius:14px;display:grid;place-items:center;text-align:center;font-size:13px;font-weight:600;color:var(--muted);cursor:pointer;overflow:hidden;position:relative;background:var(--card)}
.slot img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.slot span{font-size:26px;display:block}
.lista-med{font-size:14px}
.lista-med .entre{border-top:1px solid var(--line);padding:9px 0}

/* ---------- check-in ---------- */
.escala{margin:6px 0 2px}
.escala .entre{font-size:14px;font-weight:600}
.escala .valor{font-weight:800;font-size:16px;min-width:28px;text-align:right}
input[type=range].rango{padding:0;border:0;height:34px;background:transparent;-webkit-appearance:none;appearance:none}
input[type=range].rango::-webkit-slider-runnable-track{height:6px;border-radius:9px;background:var(--soft)}
input[type=range].rango::-webkit-slider-thumb{-webkit-appearance:none;width:28px;height:28px;border-radius:50%;background:var(--brand);margin-top:-11px;border:3px solid var(--card);box-shadow:0 1px 4px rgba(0,0,0,.3)}
input[type=range].rango::-moz-range-track{height:6px;border-radius:9px;background:var(--soft)}
input[type=range].rango::-moz-range-thumb{width:24px;height:24px;border-radius:50%;background:var(--brand);border:3px solid var(--card)}
.escala .extremos{display:flex;justify-content:space-between;font-size:11px;color:var(--muted);margin-top:-4px}
.enviado{text-align:center;padding:30px 10px}
.enviado .ok{width:76px;height:76px;border-radius:50%;background:var(--brand);color:var(--brand-ink);display:grid;place-items:center;font-size:38px;margin:0 auto 16px}

/* ---------- hoja inferior ---------- */
.hoja{position:fixed;inset:0;z-index:60}
.hoja-fondo{position:absolute;inset:0;background:rgba(0,0,0,.45);animation:fade .2s}
.hoja-panel{position:absolute;left:0;right:0;bottom:0;max-height:92vh;overflow-y:auto;background:var(--bg);border-radius:22px 22px 0 0;padding:8px 16px calc(24px + var(--safe-b));animation:sube .25s ease-out;max-width:640px;margin:0 auto;-webkit-overflow-scrolling:touch}
.hoja-asa{width:42px;height:5px;border-radius:9px;background:var(--line);margin:4px auto 12px}
@keyframes sube{from{transform:translateY(100%)}}
@keyframes fade{from{opacity:0}}
#toast{position:fixed;left:50%;bottom:calc(90px + var(--safe-b));transform:translateX(-50%) translateY(20px);background:var(--ink);color:var(--bg);padding:12px 18px;border-radius:14px;font-weight:600;font-size:15px;opacity:0;transition:.25s;pointer-events:none;z-index:80;max-width:88vw;text-align:center}
#toast.on{opacity:1;transform:translateX(-50%) translateY(0)}
.foto-grande{width:100%;border-radius:16px;display:block}
@media (min-width:700px){main{padding-top:28px}}