/* RadioStreaming.pe — Generador de Players (marca: Jost, azul oscuro, rojo, amarillo, negro, morado oscuro) */
:root{
  --navy:#0b1f5c; --navy2:#13307f; --red:#e3262f; --yellow:#f9b800; --black:#0a0a14; --purple:#2a0f4d;
  --text:#1a1d33; --muted:#5b6283; --line:rgba(11,31,92,.12); --card:rgba(255,255,255,.78);
  --radius:20px; --shadow:0 18px 40px -22px rgba(11,31,92,.35);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;font-family:'Jost',system-ui,sans-serif;color:var(--text);font-size:16px;line-height:1.55;min-height:100vh;
  background:
    radial-gradient(1100px 520px at 90% -10%, rgba(249,184,0,.20), transparent 60%),
    radial-gradient(900px 520px at -10% 20%, rgba(42,15,77,.14), transparent 60%),
    radial-gradient(800px 500px at 60% 110%, rgba(227,38,47,.10), transparent 60%),
    linear-gradient(160deg,#eef2ff 0%,#f6f1ff 45%,#fff7ea 100%);
  background-attachment:fixed;}
body.is-embed{background:transparent;}
a{color:var(--navy2);}
img{max-width:100%;height:auto;}

/* Cabecera */
.gen-header{max-width:1320px;margin:18px auto 0;padding:14px 26px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  background:linear-gradient(120deg,var(--navy),var(--purple));border-radius:18px;box-shadow:var(--shadow);}
.gen-logo img{height:34px;width:auto;display:block;}
.gen-nav{display:flex;align-items:center;gap:22px;flex-wrap:wrap;}
.gen-nav a{color:#dfe5ff;text-decoration:none;font-weight:600;font-size:15px;}
.gen-nav a:hover{color:#fff;}
.gen-nav .btn-nav{background:var(--yellow);color:var(--black);padding:8px 16px;border-radius:10px;}
.gen-nav .btn-nav:hover{color:var(--black);filter:brightness(1.05);}

.gen-main{max-width:1320px;margin:0 auto;padding:0 20px 40px;}
body.is-embed .gen-main{padding:0 0 10px;}

/* Hero */
.gen-hero{text-align:center;padding:46px 10px 26px;}
body.is-embed .gen-hero{padding-top:10px;}
.gen-kicker{display:inline-flex;align-items:center;gap:8px;background:rgba(227,38,47,.09);color:var(--red);font-weight:700;font-size:13px;
  letter-spacing:.4px;text-transform:uppercase;padding:6px 14px;border-radius:100px;}
.gen-hero h1{font-size:clamp(28px,4.2vw,46px);line-height:1.12;margin:14px auto 10px;max-width:820px;color:var(--navy);font-weight:800;letter-spacing:-.5px;}
.gen-hero p{max-width:720px;margin:0 auto;color:var(--muted);font-size:17px;}
.gen-notice{display:inline-flex;align-items:center;gap:10px;margin-top:18px;background:rgba(11,31,92,.06);border:1px solid var(--line);
  color:var(--navy);padding:10px 18px;border-radius:12px;font-size:14.5px;}
.gen-notice i{color:var(--yellow);}

/* Grid */
.gen-grid{display:grid;grid-template-columns:400px minmax(0,1fr);gap:22px;align-items:start;}
@media (max-width:1020px){.gen-grid{grid-template-columns:1fr;}}
.gen-side{display:flex;flex-direction:column;gap:22px;position:sticky;top:16px;}
@media (max-width:1020px){.gen-side{position:static;}}
.gen-card{background:var(--card);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.9);
  border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.gen-card h2{font-size:19px;margin:0 0 14px;color:var(--navy);display:flex;align-items:center;gap:10px;font-weight:700;}
.step{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:9px;background:linear-gradient(135deg,var(--red),#ff5a3c);
  color:#fff;font-size:14px;font-weight:800;flex-shrink:0;}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:14px;}
.card-head h2{margin:0;}
.muted{color:var(--muted);font-size:14.5px;margin:-4px 0 12px;}

/* Formulario */
fieldset{border:none;margin:0 0 6px;padding:0;}
legend{font-size:12.5px;font-weight:700;text-transform:uppercase;letter-spacing:.6px;color:var(--red);margin:10px 0 10px;padding:0;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--navy);margin-bottom:6px;}
.field label small{color:var(--muted);font-weight:500;}
.field input[type=text],.field input[type=url],.field input[type=number],.field select{width:100%;font:inherit;font-size:15px;color:var(--text);
  background:#fff;border:1px solid var(--line);border-radius:11px;padding:10px 12px;outline:none;transition:border-color .2s,box-shadow .2s;}
.field input:focus,.field select:focus{border-color:var(--navy2);box-shadow:0 0 0 3px rgba(19,48,127,.12);}
.field input:invalid{border-color:var(--red);}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
@media (max-width:420px){.grid2{grid-template-columns:1fr;}}
.color-in{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:11px;padding:5px 10px 5px 5px;}
.color-in input[type=color]{width:38px;height:32px;border:none;background:none;padding:0;cursor:pointer;border-radius:8px;}
.color-in code{font-family:'JetBrains Mono',monospace;font-size:13px;color:var(--muted);}
.swatches{display:flex;gap:8px;flex-wrap:wrap;margin:-4px 0 14px;}
.swatches button{width:34px;height:34px;border-radius:10px;border:2px solid #fff;cursor:pointer;box-shadow:0 2px 8px rgba(0,0,0,.15);
  background:linear-gradient(135deg,var(--a) 0 55%,var(--b) 55% 100%);}
.swatches button:hover{transform:translateY(-2px);}

.models{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;}
.model{display:flex;align-items:center;gap:8px;font:inherit;font-size:13.5px;text-align:left;background:#fff;border:1px solid var(--line);
  border-radius:11px;padding:8px 10px;cursor:pointer;color:var(--text);transition:all .15s;}
.model b{display:inline-grid;place-items:center;width:22px;height:22px;border-radius:7px;background:rgba(11,31,92,.08);color:var(--navy);font-size:12px;flex-shrink:0;}
.model:hover{border-color:var(--navy2);}
.model.active{background:linear-gradient(135deg,var(--navy),var(--purple));color:#fff;border-color:transparent;}
.model.active b{background:var(--yellow);color:var(--black);}

/* Vista previa */
.seg{display:inline-flex;background:rgba(11,31,92,.07);border-radius:11px;padding:3px;gap:2px;}
.seg button{font:inherit;font-size:13.5px;border:none;background:none;color:var(--muted);padding:6px 12px;border-radius:8px;cursor:pointer;}
.seg button.active{background:#fff;color:var(--navy);box-shadow:0 2px 6px rgba(0,0,0,.08);font-weight:600;}
.stage{border-radius:16px;padding:34px 16px 54px;min-height:280px;display:flex;align-items:center;justify-content:center;position:relative;transition:background .3s;
  background:radial-gradient(circle at 50% 0%, rgba(63,169,245,.18), transparent 60%), linear-gradient(160deg,#0b1030,#1a0b2e);}
.stage.light{background:radial-gradient(circle at 50% 0%, rgba(249,184,0,.18), transparent 60%), linear-gradient(160deg,#f3f5ff,#fdf4ff);
  box-shadow:inset 0 0 0 1px var(--line);}
.stage-frame{width:100%;max-width:100%;margin:0 auto;transition:max-width .35s ease;}
.stage-frame.dev{border:2px dashed rgba(255,255,255,.18);border-radius:14px;}
.stage.light .stage-frame.dev{border-color:rgba(11,31,92,.18);}
#prev{display:block;width:100%;height:200px;border:0;margin:0 auto;background:transparent;transition:height .2s;}
.seg-bg{position:absolute;bottom:12px;left:50%;transform:translateX(-50%);background:rgba(255,255,255,.14);}
.stage .seg-bg button{color:#cdd3f0;}
.stage .seg-bg button.active{color:var(--navy);}
.stage.light .seg-bg{background:rgba(11,31,92,.07);}
.stage.light .seg-bg button{color:var(--muted);}

/* Código */
#output{width:100%;min-height:128px;resize:vertical;font-family:'JetBrains Mono',monospace;font-size:12.5px;line-height:1.55;color:#e8ecff;
  background:linear-gradient(160deg,var(--black),#141a3d);border:none;border-radius:14px;padding:16px;outline:none;word-break:break-all;}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font:inherit;font-weight:700;font-size:15.5px;border-radius:12px;padding:13px 22px;
  cursor:pointer;text-decoration:none;border:none;transition:transform .12s,filter .2s;}
.btn:active{transform:scale(.97);}
.btn-primary{background:linear-gradient(135deg,var(--red),#ff4d3a);color:#fff;flex:1;min-width:200px;box-shadow:0 10px 22px -10px rgba(227,38,47,.7);}
.btn-primary:hover{filter:brightness(1.06);}
.btn-primary.ok{background:linear-gradient(135deg,var(--navy),var(--purple));}
.btn-ghost{background:#fff;color:var(--navy);border:1px solid var(--line);}
.btn-ghost:hover{border-color:var(--navy2);}

/* Guía */
.gen-guide{margin-top:44px;}
.gen-guide h2{text-align:center;color:var(--navy);font-size:clamp(22px,3vw,30px);margin:0 0 22px;}
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
@media (max-width:900px){.guide-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:560px){.guide-grid{grid-template-columns:1fr;}}
.guide-grid article{background:var(--card);border:1px solid rgba(255,255,255,.9);border-radius:18px;padding:22px;box-shadow:var(--shadow);}
.guide-grid i{font-size:20px;color:#fff;width:44px;height:44px;display:grid;place-items:center;border-radius:12px;margin-bottom:12px;
  background:linear-gradient(135deg,var(--navy),var(--purple));}
.guide-grid article:nth-child(3n+2) i{background:linear-gradient(135deg,var(--red),#ff5a3c);}
.guide-grid article:nth-child(3n) i{background:linear-gradient(135deg,var(--yellow),#ff9d00);color:var(--black);}
.guide-grid h3{margin:0 0 6px;font-size:17px;color:var(--navy);}
.guide-grid p{margin:0;color:var(--muted);font-size:14.5px;}
.gen-help{text-align:center;margin-top:24px;color:var(--muted);}
.gen-help a{display:inline-flex;align-items:center;gap:7px;font-weight:700;color:var(--navy);text-decoration:none;
  background:#fff;border:1px solid var(--line);padding:8px 16px;border-radius:100px;margin-left:6px;}

.gen-footer{text-align:center;padding:26px 20px 34px;color:var(--muted);font-size:13px;letter-spacing:.4px;}
.gen-footer b{color:var(--navy);}

.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,20px);opacity:0;pointer-events:none;background:var(--navy);color:#fff;
  padding:12px 20px;border-radius:12px;font-weight:600;box-shadow:var(--shadow);transition:all .25s;z-index:99;}
.toast.show{opacity:1;transform:translate(-50%,0);}