/* ===========================================================
   aristizabal.ai — sistema visual compartido (web + plataforma)
   =========================================================== */
@font-face{font-family:'Coolvetica';src:url('coolvetica.ttf') format('truetype');font-weight:400;font-display:swap}

:root{
  --lilac:#F5F0FF; --lilac2:#EFE7FF; --ink:#15101F; --violet:#8B5CF6; --pink:#FF3D8F;
  --grad:linear-gradient(100deg,#FF3D8F 0%,#C04BF0 52%,#8B5CF6 100%);
  --card:#fff; --line:rgba(139,92,246,.18); --line2:rgba(139,92,246,.30);
  --soft:0 18px 44px rgba(94,52,168,.13); --soft2:0 30px 70px rgba(94,52,168,.20);
  --ok:#0FBE86; --warn:#E8A317; --bad:#E4405F;
  --r-xl:28px; --r-lg:22px; --r-md:16px; --r-sm:10px; --pill:999px;
  --side:264px;
}
*{margin:0;padding:0;box-sizing:border-box}
html,body{overflow-x:hidden}
body{font-family:'Coolvetica',Helvetica,Arial,sans-serif;color:var(--ink);background:var(--lilac);
  background-image:linear-gradient(rgba(139,92,246,.11) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(139,92,246,.11) 1px,transparent 1px);
  background-size:52px 52px;background-attachment:fixed;-webkit-font-smoothing:antialiased}
a{color:inherit}
img{display:block;max-width:100%}
:focus-visible{outline:3px solid var(--pink);outline-offset:3px}

/* ---------- marca ---------- */
.brand{font-size:19px;letter-spacing:.01em;text-decoration:none;color:var(--ink)}
.brand .dot{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- botones ---------- */
.btn{position:relative;overflow:hidden;display:inline-block;text-decoration:none;text-align:center;
  padding:15px 26px;font-size:15px;letter-spacing:.05em;border:none;cursor:pointer;font-family:inherit;
  border-radius:var(--pill);background:var(--grad);color:#fff;box-shadow:0 12px 30px rgba(192,75,240,.32);
  transition:transform .28s cubic-bezier(.2,.8,.3,1),box-shadow .28s,background .28s,color .28s}
.btn::after{content:'';position:absolute;top:-60%;left:-70%;width:45%;height:220%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.5),transparent);
  transform:skewX(-18deg);transition:left .55s ease}
.btn:hover::after{left:130%}
.btn:hover{transform:translateY(-3px);box-shadow:0 18px 40px rgba(192,75,240,.45)}
.btn:active{transform:translateY(-1px) scale(.99)}
.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--line2);box-shadow:var(--soft)}
.btn.ghost:hover{background:var(--ink);color:#fff}
.btn.sm{padding:10px 18px;font-size:13.5px}
.btn.lg{padding:20px 34px;font-size:16.5px}
.btn.block{display:block;width:100%}
.btn.danger{background:linear-gradient(100deg,#E4405F,#B3123A);box-shadow:0 12px 30px rgba(228,64,95,.3)}
.btn[disabled]{opacity:.5;pointer-events:none}

/* ---------- tarjetas ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--soft);padding:clamp(18px,2vw,28px)}
.card.tinted{background:linear-gradient(150deg,rgba(255,61,143,.10),rgba(255,255,255,.02) 62%)}
.card.grad{background:var(--grad);color:#fff;border:none;box-shadow:0 24px 60px rgba(192,75,240,.4)}
.card.grad a,.card.grad .muted{color:rgba(255,255,255,.85)}

/* ---------- tipografía ---------- */
h1{font-size:clamp(28px,3.4vw,44px);line-height:1.06;letter-spacing:.015em}
h2{font-size:clamp(22px,2.4vw,30px);line-height:1.1;letter-spacing:.015em}
h3{font-size:19px;line-height:1.15;letter-spacing:.015em}
.kick{font-size:11.5px;letter-spacing:.2em;color:var(--pink);margin-bottom:8px}
.muted{color:rgba(21,16,31,.62);font-size:14.5px;line-height:1.5}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.rule{height:3px;border-radius:var(--pill);background:var(--grad);margin:16px 0 24px}

/* ---------- formularios ---------- */
.field{margin-bottom:16px}
.field label{display:block;font-size:12.5px;letter-spacing:.1em;color:rgba(21,16,31,.6);margin-bottom:7px}
.input,select,textarea{width:100%;font-family:inherit;font-size:15.5px;color:var(--ink);
  padding:14px 16px;border:1px solid var(--line2);border-radius:var(--r-md);background:#fff;
  transition:border-color .25s,box-shadow .25s}
.input:focus,select:focus,textarea:focus{outline:none;border-color:var(--pink);
  box-shadow:0 0 0 4px rgba(255,61,143,.14)}
textarea{min-height:130px;resize:vertical;line-height:1.5}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:0 18px}
@media(max-width:700px){.grid2,.grid3{grid-template-columns:1fr}}
.hint{font-size:12.5px;color:rgba(21,16,31,.5);margin-top:6px}

/* ---------- avisos ---------- */
.flash{padding:14px 18px;border-radius:var(--r-md);margin-bottom:18px;font-size:14.5px;
  border:1px solid var(--line2);background:#fff}
.flash.ok{border-color:rgba(15,190,134,.45);background:rgba(15,190,134,.10)}
.flash.bad{border-color:rgba(228,64,95,.45);background:rgba(228,64,95,.10)}

/* ---------- etiquetas ---------- */
.badge{display:inline-flex;align-items:center;gap:7px;font-size:11.5px;letter-spacing:.1em;
  padding:6px 12px;border-radius:var(--pill);background:rgba(139,92,246,.12);color:var(--violet)}
.badge.pink{background:rgba(255,61,143,.14);color:var(--pink)}
.badge.ok{background:rgba(15,190,134,.14);color:#0A8A61}
.badge.bad{background:rgba(228,64,95,.14);color:#C21D42}
.badge.grad{background:var(--grad);color:#fff}

/* ---------- tablas ---------- */
.tabla{width:100%;border-collapse:collapse;font-size:14.5px}
.tabla th{text-align:left;font-weight:400;font-size:11.5px;letter-spacing:.12em;
  color:rgba(21,16,31,.5);padding:0 14px 12px}
.tabla td{padding:15px 14px;border-top:1px solid var(--line);vertical-align:middle}
.tabla tr:hover td{background:rgba(139,92,246,.05)}
.tabla .right{text-align:right}
.tabla-wrap{overflow-x:auto}

/* ---------- estructura de la plataforma ---------- */
.shell{display:grid;grid-template-columns:var(--side) 1fr;min-height:100vh}
.side{background:#fff;border-right:1px solid var(--line);padding:24px 18px;position:sticky;top:0;
  height:100vh;overflow-y:auto;display:flex;flex-direction:column;gap:22px}
.side nav{display:flex;flex-direction:column;gap:4px}
.side nav a{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:var(--r-md);
  text-decoration:none;font-size:15px;color:rgba(21,16,31,.68);transition:background .2s,color .2s}
.side nav a:hover{background:rgba(139,92,246,.09);color:var(--ink)}
.side nav a.on{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(192,75,240,.3)}
.side .sec{font-size:11px;letter-spacing:.16em;color:rgba(21,16,31,.38);padding:14px 14px 6px}
.main{padding:clamp(20px,3vw,40px);max-width:1280px;width:100%}
.topbar{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
  margin-bottom:clamp(20px,3vw,34px)}
.who{display:flex;align-items:center;gap:12px;font-size:14.5px}
.avatar{width:42px;height:42px;border-radius:50%;object-fit:cover;background:var(--lilac2);
  border:2px solid #fff;box-shadow:var(--soft)}
.burger{display:none;background:#fff;border:1px solid var(--line2);border-radius:var(--r-md);
  padding:10px 14px;font-family:inherit;font-size:15px;cursor:pointer}
@media(max-width:900px){
  .shell{grid-template-columns:1fr}
  .side{position:fixed;left:0;top:0;width:80%;max-width:300px;z-index:60;transform:translateX(-102%);
    transition:transform .3s cubic-bezier(.2,.8,.3,1);box-shadow:var(--soft2)}
  .side.open{transform:none}
  .burger{display:inline-block}
}
.scrim{position:fixed;inset:0;background:rgba(21,16,31,.45);z-index:55;display:none}
.scrim.on{display:block}

/* ---------- métricas ---------- */
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:14px;margin-bottom:26px}
.kpi{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:20px 22px;
  box-shadow:var(--soft);position:relative;overflow:hidden}
.kpi b{display:block;font-size:34px;line-height:1.1;font-weight:400}
.kpi span{font-size:12.5px;letter-spacing:.06em;color:rgba(21,16,31,.55)}
.kpi::before{content:'';position:absolute;top:0;left:22px;width:28px;height:3px;
  background:var(--grad);border-radius:var(--pill)}

/* ---------- login ---------- */
.auth{min-height:100vh;display:grid;place-items:center;padding:24px}
.auth-box{width:100%;max-width:440px}
.auth-box .card{padding:clamp(26px,3vw,38px)}
.orb{position:fixed;border-radius:50%;pointer-events:none;z-index:-1;
  background:radial-gradient(circle at 32% 28%,#fff 0%,#E9D5FF 16%,#B98CF7 48%,#7C3AED 78%,#5B21B6 100%);
  box-shadow:inset -10px -14px 30px rgba(70,20,130,.45),inset 12px 16px 26px rgba(255,255,255,.55),
             0 26px 60px rgba(124,58,237,.32)}
.orb.pink{background:radial-gradient(circle at 32% 28%,#fff 0%,#FFD9EC 16%,#FF84BE 48%,#FF3D8F 80%,#D6156B 100%)}
.orb.a{width:170px;height:170px;top:-60px;left:-60px}
.orb.b{width:120px;height:120px;bottom:8%;right:-40px}

/* ---------- contenido del curso ---------- */
.mods{display:grid;gap:12px}
.mod{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.mod>summary{list-style:none;cursor:pointer;padding:18px 22px;display:flex;align-items:center;
  justify-content:space-between;gap:16px;font-size:17px}
.mod>summary::-webkit-details-marker{display:none}
.mod>summary::after{content:'+';color:var(--pink);font-size:22px}
.mod[open]>summary::after{content:'–'}
.les{display:flex;align-items:center;gap:14px;padding:14px 22px;border-top:1px solid var(--line);
  text-decoration:none;font-size:15px;transition:background .2s}
.les:hover{background:rgba(139,92,246,.06)}
.les .tipo{font-size:11px;letter-spacing:.1em;color:rgba(21,16,31,.45);margin-left:auto}
.lock{opacity:.45;pointer-events:none}

/* ---------- blog ---------- */
.posts{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px}
.post{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--soft);display:flex;flex-direction:column;text-decoration:none;
  transition:transform .3s cubic-bezier(.2,.8,.3,1),box-shadow .3s}
.post:hover{transform:translateY(-6px);box-shadow:var(--soft2)}
.post .cover{aspect-ratio:16/10;background:var(--lilac2);overflow:hidden}
.post .cover img{width:100%;height:100%;object-fit:cover}
.post .body{padding:18px 20px;display:flex;flex-direction:column;gap:9px;flex:1}
.post h3{font-size:18px}
.post .meta{font-size:12px;letter-spacing:.06em;color:rgba(21,16,31,.5);margin-top:auto}
.prosa{font-size:16.5px;line-height:1.65;max-width:70ch}
.prosa p{margin-bottom:16px}
.prosa img{border-radius:var(--r-md);margin:20px 0;box-shadow:var(--soft)}
.prosa h2,.prosa h3{margin:26px 0 12px}
.prosa ul,.prosa ol{margin:0 0 16px 22px}
.prosa a{color:var(--pink)}

.empty{text-align:center;padding:60px 20px;color:rgba(21,16,31,.5);font-size:15px}
.row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.between{justify-content:space-between}
.mt{margin-top:22px}.mb{margin-bottom:22px}

/* ---------- entrega rápida (pensada para el celular) ---------- */
.input.xl{font-size:19px;padding:17px 18px}
.pick{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px}
.pick-it{position:relative;cursor:pointer;display:block}
.pick-it input{position:absolute;opacity:0;pointer-events:none}
.pick-box{display:flex;flex-direction:column;gap:5px;padding:16px 18px;border-radius:var(--r-md);background:#fff;
  border:2px solid var(--line2);box-shadow:var(--soft);transition:border-color .2s,box-shadow .2s,transform .2s}
.pick-box b{font-weight:400;font-size:16.5px;line-height:1.2}
.pick-box span{font-size:13px;color:rgba(21,16,31,.55)}
.pick-it input:checked + .pick-box{border-color:var(--pink);box-shadow:0 0 0 4px rgba(255,61,143,.16),var(--soft);
  background:linear-gradient(150deg,rgba(255,61,143,.08),#fff 60%)}
.pick-it input:focus-visible + .pick-box{outline:3px solid var(--pink);outline-offset:2px}
.pills{display:flex;flex-wrap:wrap;gap:8px}
.pills label{cursor:pointer}
.pills input{position:absolute;opacity:0;pointer-events:none}
.pills span{display:inline-block;padding:12px 20px;border-radius:var(--pill);background:#fff;border:2px solid var(--line2);
  font-size:15px;transition:all .2s}
.pills input:checked + span{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 8px 20px rgba(192,75,240,.3)}
.lista-v{display:grid;gap:10px}
.fila-v{display:flex;align-items:center;justify-content:space-between;gap:14px;text-decoration:none;color:var(--ink);
  padding:16px 18px;transition:transform .2s,box-shadow .2s}
.fila-v:hover{transform:translateY(-2px);box-shadow:var(--soft2)}
.fila-v b{font-weight:400;font-size:15.5px;word-break:break-all}
@media(max-width:560px){.pick{grid-template-columns:1fr}.main{padding:16px}}
.card.grad .btn.ghost{color:var(--ink)}
.card.grad .btn.ghost:hover{color:#fff}
@media(max-width:560px){
  .kpis{grid-template-columns:1fr 1fr;gap:10px}
  .kpi{padding:16px}
  .kpi b{font-size:24px}
  .kpi span{font-size:11px}
}