:root{
    --bg:#12171A;
    --surface:#1B2226;
    --surface-2:#232B30;
    --border:rgba(237,234,227,0.10);
    --border-strong:rgba(237,234,227,0.20);
    --text:#EDEAE3;
    --text-muted:#8E979D;
    --brass:#C9A227;
    --brass-dim:#8C7220;
    --clay:#C1633C;
    --clay-dim:#8A4429;
    --wine:#A85C7E;
    --wine-dim:#733E58;
    --teal:#4C9098;
    --teal-dim:#356268;
    --olive:#93A360;
    --olive-dim:#657043;
    --extra:#8891A0;
    --extra-dim:#5D6470;
    --radius:16px;
    --radius-sm:12px;
    --radius-pill:999px;
    --shadow:0 8px 32px rgba(0,0,0,0.35);
    --shadow-sm:0 4px 16px rgba(0,0,0,0.25);
    --transition:all 0.2s cubic-bezier(.22,.61,.36,1);
  }
  *{box-sizing:border-box;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:'Inter',sans-serif;
    -webkit-font-smoothing:antialiased;
  }
  .wrap{max-width:1180px;margin:0 auto;padding:32px 24px 80px;}

  header{
    display:flex;
    justify-content:space-between;
    align-items:flex-end;
    gap:24px;
    padding-bottom:24px;
    border-bottom:1px solid var(--border);
    margin-bottom:28px;
    flex-wrap:wrap;
  }
  .brand{display:flex;align-items:baseline;gap:14px;}
  h1{
    font-family:'Fraunces',serif;
    font-weight:600;
    font-size:34px;
    margin:0;
    letter-spacing:-0.01em;
  }
  .brand span{
    font-family:'IBM Plex Mono',monospace;
    font-size:11px;
    color:var(--text-muted);
    letter-spacing:0.08em;
    text-transform:uppercase;
  }
  .level{
    display:flex;
    flex-direction:column;
    align-items:flex-end;
    gap:6px;
    min-width:220px;
  }
  .level-label{
    font-family:'IBM Plex Mono',monospace;
    font-size:11px;
    color:var(--text-muted);
    letter-spacing:0.06em;
  }
  .level-bar{
    width:220px;height:6px;background:var(--surface-2);
    border-radius:3px;overflow:hidden;border:1px solid var(--border);
  }
  .level-fill{
    height:100%;background:var(--brass);
    transition:width .35s ease;
  }

  .layout{display:grid;grid-template-columns:320px 1fr;gap:32px;align-items:start;}
  @media(max-width:820px){.layout{grid-template-columns:1fr;}}

  .shelf{
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:10px;
    padding:18px 18px 22px;
    position:sticky;
    top:20px;
  }
  @media(min-width:821px){.shelf{max-height:calc(100vh - 40px);overflow-y:auto;}}
  @media(max-width:820px){.shelf{position:static;}}
  .shelf-top{
    display:flex;justify-content:space-between;align-items:center;
    margin-bottom:14px;position:sticky;top:0;background:var(--surface);padding-bottom:8px;
  }
  .shelf-top h2{
    font-family:'Fraunces',serif;font-weight:600;font-size:16px;margin:0;
  }
  .clear-btn{
    background:none;border:1px solid var(--border-strong);color:var(--text-muted);
    font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:0.05em;
    padding:6px 12px;border-radius:var(--radius-pill);cursor:pointer;text-transform:uppercase;
    transition:var(--transition);
  }
  .clear-btn:hover{border-color:var(--text-muted);color:var(--text);}

  .cat-block{margin-bottom:22px;}
  .cat-block:last-child{margin-bottom:4px;}
  .cat-title{
    font-family:'Fraunces',serif;font-weight:600;
    font-size:14.5px;
    color:var(--text);
    margin:0 0 10px;
    display:flex;align-items:center;gap:7px;
    padding-bottom:6px;
    border-bottom:1px solid var(--border);
  }
  .dot{width:8px;height:8px;border-radius:50%;display:inline-block;flex-shrink:0;}
  .fam-block{margin-bottom:10px;}
  .fam-block:last-child{margin-bottom:0;}
  .fam-title{
    font-family:'IBM Plex Mono',monospace;
    font-size:9.5px;letter-spacing:0.07em;text-transform:uppercase;
    color:var(--text-muted);
    margin:0 0 6px;
    opacity:0.85;
  }
  .chips{display:flex;flex-wrap:wrap;gap:6px;}
  .chip{
    font-family:'IBM Plex Mono',monospace;
    font-size:11.5px;
    padding:7px 13px;
    border-radius:var(--radius-pill);
    border:1px solid var(--border-strong);
    background:var(--surface-2);
    color:var(--text-muted);
    cursor:pointer;
    user-select:none;
    transition:var(--transition);
    line-height:1;
  }
  .chip:hover{border-color:var(--text-muted);color:var(--text);transform:translateY(-1px);}
  .chip.on{color:var(--bg);font-weight:500;border-color:transparent;box-shadow:0 3px 10px rgba(0,0,0,0.25);}
  .chip-custom-wrap{position:relative;display:inline-flex;align-items:center;}
  .chip-del{
    position:absolute;top:-6px;right:-6px;width:16px;height:16px;border-radius:50%;
    background:var(--clay);color:#fff;border:none;font-size:10px;line-height:16px;
    cursor:pointer;padding:0;
  }

  /* ---- ingrediente artesanal ---- */
  .add-custom-toggle{
    background:none;border:1px dashed var(--border-strong);color:var(--text-muted);
    font-family:'IBM Plex Mono',monospace;font-size:11px;padding:8px 12px;border-radius:7px;
    cursor:pointer;width:100%;margin-top:14px;text-transform:uppercase;letter-spacing:0.04em;
  }
  .add-custom-toggle:hover{border-color:var(--brass);color:var(--brass);}
  .custom-form{
    background:var(--surface-2);border:1px solid var(--border-strong);border-radius:8px;
    padding:14px;margin-top:10px;display:none;
  }
  .custom-form.open{display:block;}
  .custom-form label{
    display:block;font-family:'IBM Plex Mono',monospace;font-size:9.5px;color:var(--text-muted);
    margin:10px 0 5px;letter-spacing:0.05em;text-transform:uppercase;
  }
  .custom-form label:first-child{margin-top:0;}
  .custom-form input[type="text"], .custom-form select{
    width:100%;background:var(--surface);border:1px solid var(--border-strong);color:var(--text);
    font-family:'Inter',sans-serif;font-size:13px;padding:8px 10px;border-radius:6px;outline:none;
  }
  .custom-form input:focus, .custom-form select:focus{border-color:var(--brass);}
  .custom-fam-chip{
    font-family:'IBM Plex Mono',monospace;font-size:10px;padding:4px 8px;border-radius:12px;
    border:1px solid var(--border-strong);cursor:pointer;color:var(--text-muted);
  }
  .custom-fam-chip.on{background:var(--brass);color:var(--bg);border-color:transparent;}
  .custom-form-submit{
    width:100%;background:var(--brass);color:var(--bg);border:none;
    font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:0.05em;text-transform:uppercase;
    padding:9px;border-radius:6px;cursor:pointer;margin-top:12px;
  }

  .main-top{
    display:flex;justify-content:space-between;align-items:center;
    margin-bottom:18px;gap:16px;flex-wrap:wrap;
  }
  .count-label{
    font-family:'IBM Plex Mono',monospace;font-size:11px;color:var(--text-muted);
  }
  .search{
    background:var(--surface);border:1px solid var(--border-strong);color:var(--text);
    font-family:'Inter',sans-serif;font-size:13px;padding:8px 12px;border-radius:6px;
    width:220px;outline:none;
  }
  .search:focus{border-color:var(--brass);}
  .search::placeholder{color:var(--text-muted);}

  .section-title{
    font-family:'Fraunces',serif;font-weight:600;font-size:17px;
    margin:26px 0 12px;display:flex;align-items:center;gap:10px;
  }
  .section-title:first-child{margin-top:0;}
  .section-title .n{
    font-family:'IBM Plex Mono',monospace;font-size:11px;font-weight:400;
    color:var(--text-muted);
  }

  .grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(255px,1fr));gap:12px;}

.card{
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:var(--radius);
    padding:16px;
    position:relative;
    cursor:pointer;
    transition:var(--transition);
    display:flex;
    flex-direction:column;
  }
  .card:hover{border-color:var(--brass);transform:translateY(-2px);box-shadow:var(--shadow-sm);}
  .card-img{
    width:100%;height:140px;object-fit:cover;border-radius:8px;margin-bottom:12px;
    background:linear-gradient(135deg,var(--surface-2),var(--surface));
  }

  /* ===== LANDING PAGE STYLES ===== */
  .landing-wrap{display:flex;flex-direction:column;min-height:100vh;}
  .landing-hero{
    padding:60px 24px 40px;text-align:center;background:linear-gradient(180deg,rgba(201,162,39,0.06),transparent);
    border-bottom:1px solid var(--border);
  }
  .landing-badge{
    display:inline-flex;align-items:center;gap:8px;padding:8px 16px;
    background:rgba(201,162,39,0.12);border:1px solid rgba(201,162,39,0.2);
    border-radius:100px;font-family:'IBM Plex Mono',monospace;font-size:11px;
    letter-spacing:0.08em;text-transform:uppercase;color:var(--brass);margin-bottom:24px;
  }
  .landing-badge::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--brass);
    box-shadow:0 0 12px var(--brass);animation:pulse 2s infinite;}
  @keyframes pulse{0%,100%{opacity:1}50%{opacity:0.5}}
  @keyframes bounce{0%,20%,50%,80%,100%{transform:translateY(0)}40%{transform:translateY(-8px)}60%{transform:translateY(-4px)}}
  .landing-h1{font-family:'Fraunces',serif;font-weight:600;font-size:clamp(32px,6vw,52px);
    line-height:1.15;margin:0 0 16px;letter-spacing:-0.02em;color:var(--text);}
  .landing-h1 span{color:var(--brass);}
  .landing-sub{font-size:clamp(16px,2.5vw,20px);color:var(--text-muted);max-width:640px;margin:0 auto 32px;line-height:1.6;}
  .landing-cta{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-bottom:32px;}
  .btn-primary{
    background:linear-gradient(135deg,var(--brass) 0%,var(--brass-dim) 100%);
    color:var(--bg);
    border:none;
    font-family:'Fraunces',serif;
    font-weight:600;
    font-size:16px;
    letter-spacing:.02em;
    padding:18px 36px;
    border-radius:14px;
    cursor:pointer;
    transition:all .2s cubic-bezier(.22,.61,.36,1);
    box-shadow:0 8px 30px rgba(201,162,39,0.3), inset 0 1px 0 rgba(255,255,255,0.15);
    position:relative;
    overflow:hidden;
  }
  .btn-primary::after{
    content:'';
    position:absolute;
    inset:0;
    background:linear-gradient(135deg,rgba(255,255,255,0.1),transparent 50%);
    pointer-events:none;
  }
  .btn-primary:hover{
    transform:translateY(-2px);
    box-shadow:0 14px 40px rgba(201,162,39,0.4), inset 0 1px 0 rgba(255,255,255,0.2);
  }
  .btn-primary:active{
    transform:translateY(0) scale(0.99);
    box-shadow:0 4px 16px rgba(201,162,39,0.3), inset 0 1px 0 rgba(255,255,255,0.1);
  }
  .btn-primary:focus-visible{
    outline:none;
    box-shadow:0 0 0 3px rgba(201,162,39,0.5), 0 14px 40px rgba(201,162,39,0.4);
  }
  .btn-primary:disabled{
    opacity:0.55;
    cursor:default;
    transform:none;
    box-shadow:0 4px 16px rgba(201,162,39,0.2);
  }
  .btn-ghost{
    background:transparent;
    border:1px solid var(--border-strong);
    color:var(--text);
    font-family:'IBM Plex Mono',monospace;
    font-size:13px;
    font-weight:500;
    letter-spacing:0.05em;
    text-transform:uppercase;
    padding:16px 34px;
    border-radius:14px;
    cursor:pointer;
    transition:all .18s ease;
    box-shadow:none;
  }
  .btn-ghost:hover{
    background:rgba(201,162,39,0.1);
    border-color:var(--brass);
    color:var(--brass);
    transform:translateY(-1px);
    box-shadow:0 6px 20px rgba(201,162,39,0.15);
  }
  .btn-ghost:focus-visible{
    outline:none;
    box-shadow:0 0 0 3px rgba(201,162,39,0.4);
  }

  .landing-trust{display:flex;gap:32px;justify-content:center;flex-wrap:wrap;margin-top:24px;padding-top:24px;
    border-top:1px solid var(--border);color:var(--text-muted);font-family:'IBM Plex Mono',monospace;font-size:12px;}
  .trust-item{display:flex;align-items:center;gap:8px;}
  .trust-dot{width:8px;height:8px;border-radius:50%;background:var(--olive);box-shadow:0 0 8px var(--olive);}

  .landing-section{padding:60px 24px;max-width:1180px;margin:0 auto;width:100%;}
  .section-header{text-align:center;margin-bottom:48px;}
  .section-tag{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:0.1em;text-transform:uppercase;
    color:var(--brass);margin-bottom:8px;display:block;}
  .section-h2{font-family:'Fraunces',serif;font-weight:600;font-size:clamp(28px,4vw,40px);margin:0;color:var(--text);}

  .features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;}
  .feature-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:32px;
    transition:var(--transition);}
  .feature-card:hover{border-color:var(--brass);transform:translateY(-4px);box-shadow:var(--shadow);}
  .feature-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;
    font-size:22px;margin-bottom:16px;}
  .feature-icon.brass{background:rgba(201,162,39,0.15);color:var(--brass);}
  .feature-icon.clay{background:rgba(193,99,60,0.15);color:var(--clay);}
  .feature-icon.teal{background:rgba(76,144,152,0.15);color:var(--teal);}
  .feature-icon.olive{background:rgba(147,163,96,0.15);color:var(--olive);}
  .feature-icon.wine{background:rgba(168,92,126,0.15);color:var(--wine);}
  .feature-icon.extra{background:rgba(136,145,160,0.15);color:var(--extra);}
  .feature-card h3{font-family:'Fraunces',serif;font-weight:600;font-size:20px;margin:0 0 8px;color:var(--text);}
  .feature-card p{color:var(--text-muted);line-height:1.7;margin:0;font-size:14.5px;}

  .testimonials-section{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
  .testimonials-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px;max-width:1180px;margin:0 auto;padding:0 24px;}
  .testimonial-card{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius);padding:28px;}
  .testimonial-stars{color:var(--brass);font-size:16px;letter-spacing:2px;margin-bottom:12px;}
  .testimonial-text{font-size:15px;line-height:1.7;color:var(--text);margin:0 0 16px;font-style:italic;}
  .testimonial-author{display:flex;align-items:center;gap:12px;}
  .author-avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--brass),var(--clay));
    display:flex;align-items:center;justify-content:center;font-family:'Fraunces',serif;font-size:16px;color:var(--bg);font-weight:600;}
  .author-name{font-family:'Fraunces',serif;font-weight:600;font-size:15px;color:var(--text);}
  .author-role{font-family:'IBM Plex Mono',monospace;font-size:10px;color:var(--text-muted);text-transform:uppercase;letter-spacing:0.05em;}

  .footer-landing{padding:40px 24px;text-align:center;border-top:1px solid var(--border);color:var(--text-muted);
    font-family:'IBM Plex Mono',monospace;font-size:12px;}

  /* Auth screen overlay on landing */
  .auth-overlay{position:fixed;inset:0;background:rgba(8,10,12,0.85);backdrop-filter:blur(8px);
    display:flex;align-items:center;justify-content:center;padding:24px;z-index:200;opacity:0;pointer-events:none;transition:opacity 0.3s ease;}
  .auth-overlay.open{opacity:1;pointer-events:auto;}
  .auth-modal{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:30px 26px;
    max-width:360px;width:100%;max-height:90vh;overflow-y:auto;position:relative;animation:modalIn 0.3s ease;}
  @keyframes modalIn{from{opacity:0;transform:translateY(20px);}to{opacity:1;transform:none;}}
  .card.ready{border-color:var(--brass-dim);}
  .card-head{display:flex;justify-content:space-between;align-items:flex-start;gap:10px;margin-bottom:6px;}
  .card-head-left{display:flex;align-items:flex-start;gap:10px;min-width:0;}
  .card-glass{flex-shrink:0;}
  .card h3{
    font-family:'Fraunces',serif;font-weight:600;font-size:16.5px;margin:0;
  }
  .badge{
    font-family:'IBM Plex Mono',monospace;
    font-size:9.5px;letter-spacing:0.05em;text-transform:uppercase;
    padding:3px 7px;border-radius:4px;white-space:nowrap;flex-shrink:0;
  }
  .badge.ready{background:rgba(201,162,39,0.16);color:var(--brass);}
  .badge.almost{background:rgba(140,148,153,0.14);color:var(--text-muted);border:1px solid var(--border-strong);}
  .tagline{font-size:12px;color:var(--text-muted);margin:0 0 10px;line-height:1.5;}
  .card-meta{
    font-family:'IBM Plex Mono',monospace;font-size:10px;color:var(--teal);
    margin:0 0 10px;text-transform:uppercase;letter-spacing:0.04em;
  }
  .ing-list{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:5px;}
  .ing-list li{
    font-family:'IBM Plex Mono',monospace;font-size:10.5px;
    padding:3px 7px;border-radius:4px;
    background:var(--surface-2);color:var(--text-muted);
  }
  .ing-list li.have{color:var(--text);}
  .ing-list li.missing{color:var(--clay);border:1px dashed var(--clay-dim);background:transparent;}

  .empty{
    color:var(--text-muted);font-size:13px;padding:30px 4px;
    font-family:'IBM Plex Mono',monospace;
  }

  .more-toggle{
    margin-top:24px;background:none;border:1px solid var(--border-strong);
    color:var(--text-muted);font-family:'IBM Plex Mono',monospace;font-size:11px;
    padding:9px 14px;border-radius:6px;cursor:pointer;letter-spacing:0.04em;
  }
  .more-toggle:hover{color:var(--text);border-color:var(--text-muted);}
  #restBlock{display:none;}

  .overlay{
    display:none;
    position:fixed;inset:0;
    background:rgba(8,10,12,0.72);
    align-items:center;justify-content:center;
    padding:24px;
    z-index:50;
  }
  .overlay.open{display:flex;}
  .modal{
    background:var(--surface);
    border:1px solid var(--border-strong);
    border-radius:12px;
    max-width:500px;width:100%;
    max-height:88vh;
    overflow-y:auto;
    padding:0 26px 24px;
    position:relative;
  }
  .modal-close{
    position:absolute;top:14px;right:14px;
    background:var(--bg);border:1px solid var(--border-strong);color:var(--text-muted);
    width:28px;height:28px;border-radius:50%;cursor:pointer;
    font-family:'IBM Plex Mono',monospace;font-size:13px;line-height:1;
    z-index:2;
  }
  .modal-close:hover{color:var(--text);border-color:var(--text-muted);}
.modal-hero{
    margin:0 -26px 8px;
    background:var(--surface-2);
    display:flex;align-items:center;justify-content:center;
    padding:18px 0 6px;
    border-radius:12px 12px 0 0;
    position:relative;
    overflow:hidden;
    cursor:zoom-in;
  }
  .modal-hero::before{
    content:'';
    position:absolute;
    inset:0;
    background:linear-gradient(180deg,rgba(18,23,26,0.85),rgba(18,23,26,0.4),rgba(18,23,26,0.9));
    z-index:0;
  }
  .modal-hero > *{position:relative;z-index:1;}
  .modal-hero:hover::after{
    content:'Ver en grande';
    position:absolute;bottom:8px;left:50%;transform:translateX(-50%);
    background:rgba(18,23,26,0.9);color:var(--brass);
    font-family:'IBM Plex Mono',monospace;font-size:10px;
    padding:4px 10px;border-radius:4px;white-space:nowrap;
    pointer-events:none;z-index:2;
  }

  .img-viewer{
    position:fixed;inset:0;background:rgba(0,0,0,0.95);z-index:1000;
    display:flex;align-items:center;justify-content:center;flex-direction:column;
    padding:20px;opacity:0;pointer-events:none;transition:opacity .25s ease;
  }
  .img-viewer.open{opacity:1;pointer-events:auto;}
  .img-viewer img{max-width:100%;max-height:85vh;width:auto;height:auto;object-fit:contain;border-radius:4px;box-shadow:0 0 60px rgba(0,0,0,0.8);}
  .img-viewer .img-close{position:absolute;top:16px;right:16px;width:44px;height:44px;border-radius:50%;
    background:rgba(18,23,26,0.9);border:1px solid var(--border-strong);color:var(--text);
    font-size:22px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--transition);}
  .img-viewer .img-close:hover{background:var(--clay);border-color:var(--clay);color:var(--bg);}
  .img-viewer .img-title{margin-top:16px;color:var(--text-muted);font-family:'Fraunces',serif;font-size:18px;text-align:center;}
  .modal-head{margin-bottom:4px;padding-top:8px;}
  .modal h2{
    font-family:'Fraunces',serif;font-weight:600;font-size:24px;margin:0 0 6px;
  }
  .modal-tagline{color:var(--text-muted);font-size:13px;margin:0 0 14px;line-height:1.5;}
  .meta-row{
    display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px;
  }
  .meta-pill{
    font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:0.04em;
    text-transform:uppercase;
    padding:4px 9px;border-radius:5px;
    background:var(--surface-2);color:var(--text-muted);
    border:1px solid var(--border-strong);
  }
  .modal-section-title{
    font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:0.07em;
    text-transform:uppercase;color:var(--text-muted);margin:18px 0 8px;
  }
  .modal-section-title:first-of-type{margin-top:0;}
  .recipe-list{list-style:none;margin:0;padding:0;}
  .recipe-list li{
    display:flex;justify-content:space-between;gap:12px;
    padding:7px 0;border-bottom:1px solid var(--border);
    font-size:13.5px;
  }
  .recipe-list li:last-child{border-bottom:none;}
  .recipe-list li.missing .ing-name{color:var(--clay);}
  .ing-name{color:var(--text);}
  .ing-amount{
    font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--text-muted);
    white-space:nowrap;
  }
  .steps-list{margin:0;padding-left:18px;}
  .steps-list li{font-size:13.5px;line-height:1.7;color:var(--text);margin-bottom:4px;}
  .garnish-line{font-size:13px;color:var(--text-muted);margin:2px 0 0;line-height:1.6;}

  /* ---- menú desplegable ---- */
  header{position:relative;}
  .menu-wrap{position:relative;order:-1;}
  .menu-btn{
    background:var(--surface);border:1px solid var(--border-strong);color:var(--text);
    width:38px;height:38px;border-radius:8px;font-size:16px;cursor:pointer;
    display:flex;align-items:center;justify-content:center;
  }
  .menu-btn:hover{border-color:var(--brass);}

  /* ---- vistas de contenido educativo ---- */
  .edu-layout{display:grid;grid-template-columns:280px 1fr;gap:28px;align-items:start;}
  @media(max-width:820px){.edu-layout{grid-template-columns:1fr;}}
  .edu-list{
    background:var(--surface);border:1px solid var(--border);border-radius:10px;
    padding:10px;position:sticky;top:20px;
  }
  @media(max-width:820px){.edu-list{position:static;}}
  .edu-list-item{
    padding:11px 12px;border-radius:7px;cursor:pointer;margin-bottom:3px;
    display:flex;align-items:center;gap:10px;
  }
  .edu-list-item:hover{background:var(--surface-2);}
  .edu-list-item.active{background:var(--surface-2);}
  .edu-list-item .dot{width:9px;height:9px;border-radius:50%;flex-shrink:0;}
  .edu-list-item-text{min-width:0;}
  .edu-list-item h4{margin:0;font-family:'Fraunces',serif;font-weight:600;font-size:14px;color:var(--text);}
  .edu-list-item p{margin:2px 0 0;font-size:11px;color:var(--text-muted);}
  .edu-detail{
    background:var(--surface);border:1px solid var(--border);border-radius:10px;
    padding:26px 28px;
  }
  .edu-detail h2{font-family:'Fraunces',serif;font-weight:600;font-size:24px;margin:0 0 6px;}
  .edu-detail .edu-tag{color:var(--text-muted);font-size:13px;margin:0 0 20px;line-height:1.6;}
  .edu-section-title{
    font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:0.07em;
    text-transform:uppercase;color:var(--text-muted);margin:20px 0 8px;
  }
  .edu-section-title:first-of-type{margin-top:0;}
  .edu-detail p.body{font-size:13.5px;line-height:1.7;color:var(--text);margin:0 0 4px;}
  .edu-steps{margin:0;padding-left:18px;}
  .edu-steps li{font-size:13.5px;line-height:1.7;color:var(--text);margin-bottom:8px;}
  .edu-steps li b{color:var(--text);}
  .edu-pills{display:flex;flex-wrap:wrap;gap:7px;margin:4px 0 4px;}
  .edu-pill{
    font-family:'IBM Plex Mono',monospace;font-size:10.5px;padding:5px 10px;border-radius:6px;
    background:var(--surface-2);color:var(--text-muted);border:1px solid var(--border-strong);
  }
  .edu-subhead{font-family:'Fraunces',serif;font-weight:600;font-size:15px;margin:16px 0 6px;color:var(--text);}
  .edu-table{width:100%;border-collapse:collapse;margin-top:6px;}
  .edu-table th{
    text-align:left;font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:0.05em;
    text-transform:uppercase;color:var(--text-muted);padding:6px 10px 6px 0;border-bottom:1px solid var(--border-strong);
  }
  .edu-table td{padding:9px 10px 9px 0;border-bottom:1px solid var(--border);font-size:13px;color:var(--text);vertical-align:top;}

  .tab-row{display:flex;gap:8px;margin-bottom:20px;}
  .tab-btn{
    font-family:'IBM Plex Mono',monospace;font-size:11.5px;letter-spacing:0.04em;text-transform:uppercase;
    padding:9px 16px;border-radius:7px;border:1px solid var(--border-strong);background:var(--surface-2);
    color:var(--text-muted);cursor:pointer;
  }
  .tab-btn.active{background:var(--brass);color:var(--bg);border-color:transparent;font-weight:500;}

  .sub-tab-row{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:18px;}
  .sub-tab-btn{
    font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:0.03em;text-transform:uppercase;
    padding:6px 12px;border-radius:6px;border:1px solid var(--border);background:transparent;
    color:var(--text-muted);cursor:pointer;transition:all .15s ease;
  }
  .sub-tab-btn:hover{border-color:var(--text-muted);color:var(--text);}
  .sub-tab-btn.active{background:var(--wine);color:#fff;border-color:transparent;font-weight:500;}

  .grape-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px;margin-top:6px;}
  .grape-card{background:var(--surface-2);border:1px solid var(--border-strong);border-radius:8px;padding:12px 14px;}
  .grape-card h4{margin:0 0 3px;font-family:'Fraunces',serif;font-size:14px;color:var(--text);}
  .grape-card .grape-meta{font-family:'IBM Plex Mono',monospace;font-size:10px;color:var(--teal);text-transform:uppercase;letter-spacing:0.04em;margin:0 0 6px;}
  .grape-card p{margin:0;font-size:11.5px;color:var(--text-muted);line-height:1.5;}

  .maceracion-filters{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:18px;}
  .maceracion-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:14px;}
  .mac-card{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:16px;}
  .mac-card h3{font-family:'Fraunces',serif;font-weight:600;font-size:16px;margin:0 0 4px;}
  .mac-card .mac-meta{font-family:'IBM Plex Mono',monospace;font-size:10px;color:var(--teal);text-transform:uppercase;letter-spacing:0.04em;margin:0 0 8px;}
  .mac-card p{font-size:12.5px;color:var(--text-muted);line-height:1.6;margin:0 0 6px;}
  .mac-card .mac-ratio{font-family:'IBM Plex Mono',monospace;font-size:11px;color:var(--text);background:var(--surface-2);padding:6px 9px;border-radius:6px;display:inline-block;}

  .glass-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px;}
  .glass-card{background:var(--surface);border:1px solid var(--border);border-radius:10px;overflow:hidden;display:flex;flex-direction:column;}
  .glass-card .glass-img{width:100%;height:150px;object-fit:cover;display:block;background:var(--surface-2);}
  .glass-card .glass-body{padding:14px 16px;display:flex;flex-direction:column;gap:5px;}
  .glass-card h3{font-family:'Fraunces',serif;font-weight:600;font-size:15px;margin:0;}
  .glass-card p{font-size:12px;color:var(--text-muted);line-height:1.55;margin:0;}
  .glass-card p b{color:var(--text);font-weight:600;}
  .glass-card .glass-cap{font-family:'IBM Plex Mono',monospace;font-size:10px;color:var(--teal);text-transform:uppercase;letter-spacing:0.04em;}

  .edu-cat-intro{font-size:13.5px;line-height:1.7;color:var(--text);margin:0 0 16px;}

  .aroma-wheel-wrap{display:flex;gap:28px;flex-wrap:wrap;align-items:flex-start;}
  .aroma-detail{flex:1;min-width:260px;}
  .aroma-descriptors{display:flex;flex-wrap:wrap;gap:7px;margin-top:10px;}
  .aroma-descriptor{
    font-family:'IBM Plex Mono',monospace;font-size:11px;padding:5px 10px;border-radius:14px;
    background:var(--surface-2);color:var(--text);border:1px solid var(--border-strong);
  }
  .wheel-seg{cursor:pointer;stroke:var(--bg);stroke-width:1.5;transition:opacity .12s ease;}
  .wheel-seg:hover{opacity:0.85;}
  .wheel-seg.active{stroke:var(--text);stroke-width:2.5;}
  .wheel-label{font-family:'IBM Plex Mono',monospace;font-size:9px;fill:var(--bg);pointer-events:none;text-transform:uppercase;letter-spacing:0.02em;}

  .vitola-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:12px;margin-top:8px;}
  .vitola-card{background:var(--surface-2);border:1px solid var(--border-strong);border-radius:8px;padding:12px 14px;}
  .vitola-card h4{margin:0 0 4px;font-family:'Fraunces',serif;font-size:14px;}
  .vitola-card p{margin:0;font-size:11.5px;color:var(--text-muted);}

  /* ---- laboratorio de aromas (combinaciones para nuevas recetas) ---- */
  .aroma-sel-empty{font-size:12.5px;color:var(--text-muted);padding:10px 0;}
  .aroma-fam-chip{
    font-family:'IBM Plex Mono',monospace;font-size:11px;padding:6px 10px;border-radius:14px;
    border:1px solid var(--border-strong);cursor:pointer;color:var(--text);
  }
  .aroma-ing-chip{
    font-family:'IBM Plex Mono',monospace;font-size:11px;padding:5px 10px;border-radius:6px;
    background:var(--surface-2);color:var(--text-muted);border:1px solid var(--border-strong);
  }
  .aroma-ing-chip.owned{background:rgba(147,163,96,0.16);color:var(--olive);border-color:var(--olive-dim);}
  .aroma-cocktail-chip{
    font-family:'Inter',sans-serif;font-size:12px;padding:6px 10px;border-radius:6px;
    background:var(--surface-2);color:var(--text);border:1px solid var(--border-strong);cursor:pointer;
  }
  .aroma-cocktail-chip:hover{border-color:var(--brass);}
  .aroma-notes-box textarea{
    width:100%;min-height:70px;background:var(--surface-2);border:1px solid var(--border-strong);
    color:var(--text);font-family:'Inter',sans-serif;font-size:13px;padding:10px 12px;border-radius:8px;
    outline:none;resize:vertical;
  }
  .aroma-notes-box textarea:focus{border-color:var(--brass);}
  .aroma-note-item{
    background:var(--surface-2);border:1px solid var(--border);border-radius:8px;
    padding:10px 12px;margin-top:8px;display:flex;justify-content:space-between;gap:10px;align-items:flex-start;
  }
  .aroma-note-item p{margin:0;font-size:13px;color:var(--text);line-height:1.5;}
  .aroma-note-item span{font-family:'IBM Plex Mono',monospace;font-size:9.5px;color:var(--text-muted);display:block;margin-top:4px;}
  .aroma-note-del{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:14px;flex-shrink:0;}
  .aroma-note-del:hover{color:var(--clay);}

  /* ---- asistente IA ---- */
  .ia-form label{
    display:block;font-family:'IBM Plex Mono',monospace;font-size:10px;color:var(--text-muted);
    margin:14px 0 6px;letter-spacing:0.05em;text-transform:uppercase;
  }
  .ia-form label:first-child{margin-top:0;}
  .ia-form textarea, .ia-form select{
    width:100%;background:var(--surface-2);border:1px solid var(--border-strong);color:var(--text);
    font-family:'Inter',sans-serif;font-size:13px;padding:10px 12px;border-radius:8px;outline:none;
  }
  .ia-form textarea{min-height:70px;resize:vertical;}
  .ia-form textarea:focus, .ia-form select:focus{border-color:var(--brass);}
  .ia-checkbox-row{display:flex;align-items:center;gap:8px;margin-top:14px;}
  .ia-checkbox-row label{margin:0;text-transform:none;letter-spacing:0;font-size:13px;color:var(--text);}
  .ia-ing-chip{
    border-radius:999px;display:inline-flex;align-items:center;gap:5px;
    font-family:'Inter',sans-serif;font-weight:500;transition:var(--transition);
  }
  .ia-ing-chip.on{background:rgba(147,163,96,0.16);border-color:rgba(147,163,96,0.5);color:var(--olive);}
  .ia-ing-chip.on:hover{background:rgba(147,163,96,0.26);}
  .ia-ing-chip.off{background:var(--surface-2);border-color:var(--border-strong);color:var(--text-muted);text-decoration:line-through;opacity:0.6;}
  .ia-ing-chip.off:hover{opacity:0.85;color:var(--clay);}
  .ia-chip-actions{display:flex;gap:8px;margin-top:10px;}
  .ia-mini-btn{
    background:none;border:1px solid var(--border-strong);color:var(--text-muted);
    font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:0.04em;text-transform:uppercase;
    padding:6px 14px;border-radius:999px;cursor:pointer;transition:var(--transition);
  }
  .ia-mini-btn:hover{border-color:var(--brass);color:var(--brass);}
  .ia-generate-btn{
    width:100%;background:var(--brass);color:var(--bg);border:none;
    font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:0.05em;text-transform:uppercase;
    padding:14px;border-radius:999px;cursor:pointer;font-weight:600;margin-top:18px;
    box-shadow:0 4px 14px rgba(201,162,39,0.28);transition:var(--transition);
  }
  .ia-generate-btn:hover{background:var(--brass-dim);transform:translateY(-1px);box-shadow:0 6px 18px rgba(201,162,39,0.35);}
  .ia-generate-btn:disabled{opacity:0.6;cursor:default;transform:none;}
  .ia-error{color:var(--clay);font-size:12.5px;margin-top:12px;}
  .ia-result{background:var(--surface-2);border:1px solid var(--border-strong);border-radius:10px;padding:20px 22px;margin-top:20px;}
  .ia-result h3{font-family:'Fraunces',serif;font-weight:600;font-size:20px;margin:0 0 4px;}
  .ia-save-btn{
    background:none;border:1px solid var(--border-strong);color:var(--text);
    font-family:'IBM Plex Mono',monospace;font-size:11px;padding:9px 16px;border-radius:var(--radius-pill);
    cursor:pointer;text-transform:uppercase;letter-spacing:0.05em;margin-top:14px;transition:var(--transition);
  }
  .ia-save-btn:hover{border-color:var(--brass);color:var(--brass);}
  .ia-creation-card{
    background:var(--surface-2);border:1px solid var(--border);border-radius:8px;
    padding:12px 14px;margin-top:10px;cursor:pointer;
  }
  .ia-creation-card:hover{border-color:var(--brass);}
  .ia-creation-card h4{margin:0 0 2px;font-family:'Fraunces',serif;font-size:14.5px;}
  .ia-creation-card p{margin:0;font-size:11.5px;color:var(--text-muted);}
  .ia-creation-del{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:12px;float:right;}
  .ia-creation-del:hover{color:var(--clay);}

  /* ---- cuentas ---- */
  .account{display:flex;flex-direction:column;align-items:flex-end;gap:8px;}
  .account-row{display:flex;align-items:center;gap:8px;}
  .account-name{font-family:'IBM Plex Mono',monospace;font-size:11.5px;color:var(--text);}
  .account-btn{
    background:var(--surface-2);
    border:1px solid var(--border-strong);
    color:var(--text-muted);
    font-family:'IBM Plex Mono',monospace;
    font-size:10px;
    padding:7px 14px;
    border-radius:var(--radius-pill);
    cursor:pointer;
    text-transform:uppercase;
    letter-spacing:0.06em;
    transition:var(--transition);
    box-shadow:0 2px 8px rgba(0,0,0,0.18);
  }
  #profileBtn.account-btn:hover{
    border-color:var(--brass);
    color:var(--brass);
    background:rgba(201,162,39,0.10);
    transform:translateY(-1px);
    box-shadow:0 4px 14px rgba(201,162,39,0.18);
  }
  #logoutBtn.account-btn:hover{
    border-color:var(--clay);
    color:var(--clay);
    background:rgba(193,99,60,0.10);
    transform:translateY(-1px);
    box-shadow:0 4px 14px rgba(193,99,60,0.18);
  }

  .auth-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;}
  .auth-box{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:30px 26px;max-width:360px;width:100%;}
  .auth-box h1{font-family:'Fraunces',serif;font-weight:600;font-size:26px;margin:0 0 4px;}
  .auth-sub{font-family:'IBM Plex Mono',monospace;font-size:10.5px;color:var(--text-muted);margin:0 0 22px;letter-spacing:0.06em;text-transform:uppercase;}
  .auth-logo{width:64px;height:64px;margin:0 auto 14px;display:flex;align-items:center;justify-content:center;background:var(--surface-2);border:1px solid var(--border-strong);border-radius:18px;}
  .auth-logo svg{width:38px;height:38px;display:block;}
  .auth-tabs{display:flex;gap:6px;margin-bottom:18px;}
  .auth-tab{
    flex:1;text-align:center;padding:9px;border-radius:var(--radius-pill);border:1px solid var(--border-strong);
    background:var(--surface-2);color:var(--text-muted);font-family:'IBM Plex Mono',monospace;
    font-size:10.5px;letter-spacing:0.05em;text-transform:uppercase;cursor:pointer;
    transition:var(--transition);
  }
  .auth-tab.active{background:var(--brass);color:var(--bg);border-color:transparent;font-weight:500;box-shadow:0 4px 14px rgba(201,162,39,0.3);}
  .field{margin-bottom:14px;}
  .field label{
    display:block;font-family:'IBM Plex Mono',monospace;font-size:9.5px;color:var(--text-muted);
    margin-bottom:5px;letter-spacing:0.05em;text-transform:uppercase;
  }
  .field input{
    width:100%;background:var(--surface-2);border:1px solid var(--border-strong);color:var(--text);
    font-family:'Inter',sans-serif;font-size:13px;padding:10px 14px;border-radius:var(--radius-sm);outline:none;
    transition:var(--transition);
  }
  .field input:focus{border-color:var(--brass);box-shadow:0 0 0 3px rgba(201,162,39,0.15);}
  .auth-submit{
    width:100%;background:linear-gradient(135deg,var(--brass),var(--brass-dim));color:var(--bg);border:none;
    font-family:'IBM Plex Mono',monospace;font-size:11.5px;letter-spacing:0.05em;text-transform:uppercase;
    padding:13px;border-radius:var(--radius-pill);cursor:pointer;font-weight:600;margin-top:2px;
    transition:var(--transition);box-shadow:0 6px 18px rgba(201,162,39,0.25);
  }
  .auth-submit:hover{filter:brightness(1.08);transform:translateY(-1px);}
  .auth-submit:disabled{opacity:0.6;cursor:default;transform:none;}
  .auth-error{color:var(--clay);font-size:12px;margin:0 0 12px;font-family:'IBM Plex Mono',monospace;}
  .auth-note{font-size:11px;color:var(--text-muted);margin-top:16px;line-height:1.55;}
  .auth-hint{font-size:10.5px;color:var(--text-muted);margin:-8px 0 14px;line-height:1.5;}
  .auth-link{
    width:100%;background:none;border:none;color:var(--brass);
    font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:0.05em;text-transform:uppercase;
    padding:10px;cursor:pointer;margin-top:6px;
  }
  .auth-link:hover{color:var(--brass-dim);}
  .pass-toggle{
    display:flex;align-items:center;gap:8px;
    margin:-6px 0 14px;
    font-family:'IBM Plex Mono',monospace;
    font-size:10.5px;
    color:var(--text-muted);
    letter-spacing:0.03em;
    cursor:pointer;
    user-select:none;
  }
  .pass-toggle input[type="checkbox"]{
    appearance:none;-webkit-appearance:none;
    width:15px;height:15px;flex-shrink:0;
    border:1px solid var(--border-strong);
    border-radius:4px;
    background:var(--surface-2);
    cursor:pointer;
    position:relative;
    transition:var(--transition);
  }
  .pass-toggle input[type="checkbox"]:checked{
    background:var(--brass);border-color:var(--brass);
  }
  .pass-toggle input[type="checkbox"]:checked::after{
    content:'✓';position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
    font-size:10px;color:var(--bg);font-weight:700;
  }
  .pass-toggle input[type="checkbox"]:focus-visible{
    outline:none;box-shadow:0 0 0 3px rgba(201,162,39,0.25);
  }
  .pass-toggle:hover{color:var(--text);}

/* ===== Estilos de metadatos de cóctel (badges, filtros, sidenav, refinamiento) ===== */
    .badge.facil{background:rgba(147,163,96,0.16);color:var(--olive);}
    .badge.intermedio{background:rgba(201,162,39,0.16);color:var(--brass);}
    .badge.avanzado{background:rgba(193,99,60,0.16);color:var(--clay);}
    .badge.mocktail{background:rgba(76,144,152,0.16);color:var(--teal);border:1px solid var(--teal-dim);font-size:10px;margin-left:4px;}
    .meta-pill.temp{background:rgba(76,144,152,0.1);color:var(--teal);}
    .meta-pill.maridaje{background:rgba(129,57,68,0.1);color:var(--wine);}
    .meta-pill.nivel-facil{background:rgba(147,163,96,0.16);color:var(--olive);}
    .meta-pill.nivel-intermedio{background:rgba(201,162,39,0.16);color:var(--brass);}
    .meta-pill.nivel-avanzado{background:rgba(193,99,60,0.16);color:var(--clay);}
    .meta-pill.mocktail-pill{background:rgba(76,144,152,0.16);color:var(--teal);border:1px solid var(--teal-dim);}
    .filter-row{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:16px;}
    .filter-chip{
      font-family:'IBM Plex Mono',monospace;font-size:11px;padding:5px 11px;border-radius:6px;
      border:1px solid var(--border-strong);background:var(--surface-2);color:var(--text-muted);
      cursor:pointer;transition:all .12s ease;
    }
    .filter-chip:hover{border-color:var(--text-muted);color:var(--text);}
    .filter-chip.on{background:var(--brass);color:var(--bg);border-color:transparent;}
    .filter-chip.on-mocktail{background:var(--teal);color:var(--bg);border-color:transparent;}
    .maridaje-section{margin-top:14px;padding-top:14px;border-top:1px solid var(--border);}
    .maridaje-section .modal-section-title{margin-bottom:6px;}
/* ============ BARRA LATERAL DE NAVEGACIÓN ============ */
  .scrim{
    position:fixed;inset:0;z-index:990;background:rgba(8,11,13,0.55);
    backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);
    opacity:0;pointer-events:none;transition:opacity .25s ease;
  }
  .scrim.show{opacity:1;pointer-events:auto;}
  .sidenav{
    position:fixed;top:0;left:0;bottom:0;height:100vh;
    width:300px;max-width:86vw;z-index:1000;
    background:linear-gradient(180deg,var(--surface) 0%,#151b1f 100%);
    border-right:1px solid var(--border-strong);
    box-shadow:18px 0 46px rgba(0,0,0,0.5);
    transform:translateX(-106%);
    transition:transform .28s cubic-bezier(.22,.61,.36,1);
    display:flex;flex-direction:column;
  }
  .sidenav.open{transform:translateX(0);}
  .sidenav-head{
    display:flex;align-items:center;gap:12px;padding:16px 16px 14px;
    border-bottom:1px solid var(--border);
  }
  .sidenav-logo{
    width:38px;height:38px;border-radius:10px;flex-shrink:0;
    background:var(--surface-2);border:1px solid var(--border-strong);
    display:flex;align-items:center;justify-content:center;
    box-shadow:0 4px 14px rgba(0,0,0,0.35);
  }
  .sidenav-logo svg{width:24px;height:24px;display:block;}
  .sidenav-title{min-width:0;}
  .sidenav-title b{display:block;font-family:'Fraunces',serif;font-weight:600;font-size:16px;color:var(--text);letter-spacing:.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
  .sidenav-title span{display:block;font-family:'IBM Plex Mono',monospace;font-size:9.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--text-muted);}
  .sidenav-close{
    margin-left:auto;width:32px;height:32px;flex-shrink:0;border-radius:50%;
    background:transparent;border:1px solid var(--border-strong);color:var(--text-muted);
    font-size:17px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;
    transition:var(--transition);
  }
  .sidenav-close:hover{color:var(--bg);border-color:var(--clay);background:var(--clay);transform:rotate(90deg);}
  .sidenav-nav{
    flex:1;overflow-y:auto;overflow-x:hidden;padding:12px 12px 16px;
    scrollbar-width:thin;scrollbar-color:var(--surface-2) transparent;
  }
  .sidenav-nav::-webkit-scrollbar{width:6px;}
  .sidenav-nav::-webkit-scrollbar-thumb{background:var(--surface-2);border-radius:4px;}
  .sidenav-nav::-webkit-scrollbar-thumb:hover{background:var(--border-strong);}
  .sidenav-nav::-webkit-scrollbar-track{background:transparent;}
  .nav-group{position:relative;margin-bottom:5px;}
  .nav-group.open .nav-sub{display:block;}
  .nav-item{
    width:100%;display:flex;align-items:center;gap:10px;
    background:transparent;border:1px solid transparent;color:var(--text-muted);
    font-family:'Inter',sans-serif;font-size:13.5px;text-align:left;font-weight:500;
    padding:12px 14px;border-radius:14px;cursor:pointer;position:relative;
    transition:var(--transition);
  }
  .nav-item .nav-ico{width:14px;height:14px;flex-shrink:0;border-radius:4px;opacity:.75;border:1px solid rgba(255,255,255,0.08);}
  .nav-lock{font-size:11px;opacity:.7;flex-shrink:0;}
  .nav-locked > .nav-item{color:var(--text-muted);}
  .nav-locked > .nav-item:hover{background:var(--surface-2);}
  .nav-item .nav-label{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;line-height:1.25;}
  .nav-item:hover{background:var(--surface-2);color:var(--text);border-color:var(--border-strong);transform:translateX(2px);}
  .nav-item.active{background:linear-gradient(90deg,rgba(201,162,39,0.16),rgba(201,162,39,0.05));color:var(--brass);border-color:rgba(201,162,39,0.35);}
  .nav-item.active::before{
    content:'';position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:3px;
    background:var(--brass);box-shadow:0 0 10px rgba(201,162,39,0.6);
  }
  .nav-caret{
    width:7px;height:7px;flex-shrink:0;border-right:1.5px solid var(--text-muted);border-bottom:1.5px solid var(--text-muted);
    transform:rotate(-45deg);transition:transform .2s ease;margin-right:4px;
  }
  .nav-group.open > .nav-item .nav-caret{transform:rotate(45deg);}
  .nav-group.open > .nav-item{color:var(--text);}
  .nav-sub{display:none;padding:4px 0 8px 22px;position:relative;}
  .nav-sub::before{content:'';position:absolute;left:16px;top:4px;bottom:6px;width:1px;background:var(--border);}
  .nav-sub-item{
    display:flex;align-items:center;gap:8px;width:100%;text-align:left;
    background:transparent;border:1px solid transparent;color:var(--text-muted);
    font-family:'Inter',sans-serif;font-size:12.5px;
    padding:8px 12px;border-radius:12px;cursor:pointer;position:relative;
    transition:var(--transition);line-height:1.3;margin-bottom:2px;
  }
  .nav-sub-item:hover{background:var(--surface-2);color:var(--text);transform:translateX(2px);}
  .nav-sub-item.active{color:var(--brass);background:rgba(201,162,39,0.1);border-color:rgba(201,162,39,0.3);}
  .nav-sub-item.active::before{
    content:'';width:5px;height:5px;border-radius:50%;flex-shrink:0;
    background:var(--brass);box-shadow:0 0 6px rgba(201,162,39,0.8);
  }
  .nav-sub-item::before{content:'';width:5px;height:5px;border-radius:50%;flex-shrink:0;background:var(--border-strong);}
  .nav-sub-item.active::before{background:var(--brass);box-shadow:0 0 6px rgba(201,162,39,0.8);}
  .sidenav-foot{
    padding:12px 16px;border-top:1px solid var(--border);
    font-family:'IBM Plex Mono',monospace;font-size:9.5px;letter-spacing:.12em;
    text-transform:uppercase;color:var(--text-muted);display:flex;justify-content:space-between;
  }
  .sidenav-foot .dot{width:6px;height:6px;border-radius:50%;background:var(--olive);align-self:center;box-shadow:0 0 6px rgba(147,163,96,0.7);}
  @media(max-width:480px){ .sidenav{width:86vw;} }

  /* ============ REFINAMIENTO PROFESIONAL ============ */
  .sub-tab-row{position:relative;}
  .sub-tab-row::after{
    content:'';display:block;height:1px;background:var(--border);margin-top:8px;
  }
  .sub-tab-btn.active{
    background:var(--brass);color:var(--bg);border-color:transparent;font-weight:500;
    box-shadow:0 2px 8px rgba(201,162,39,0.25);
  }
  .edu-table th{
    background:var(--surface-2);padding:8px 12px;border-bottom:1px solid var(--border-strong);
    border-radius:4px 4px 0 0;
  }
  .edu-table td{padding:9px 12px;border-bottom:1px solid var(--border);}
  .edu-table tr:last-child td{border-bottom:none;}
  .edu-table tr:hover td{background:rgba(255,255,255,0.015);}
  .edu-detail{position:relative;overflow:hidden;border:1px solid var(--border);}
  .edu-detail::before{
    content:'';position:absolute;top:0;left:0;right:0;height:3px;
    background:linear-gradient(90deg,var(--brass),transparent);
  }
  .edu-detail h2{letter-spacing:.01em;}
  .view{animation:viewIn .3s ease;}
  @keyframes viewIn{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:none;}}

/* ============================================================
   CHAT — Estilo WhatsApp
   ============================================================ */
:root {
  --whatsapp-green: #075e54;
  --whatsapp-green-light: #128c7e;
  --whatsapp-green-hover: #0a6e63;
  --whatsapp-bg: #111b21;
  --whatsapp-chat-bg: #0b141a;
  --whatsapp-panel-bg: #1f2c34;
  --whatsapp-bubble-sent: #005c4b;
  --whatsapp-bubble-received: #1f2c34;
  --whatsapp-text: #e9edef;
  --whatsapp-text-secondary: #8696a0;
  --whatsapp-border: #2a3f47;
  --whatsapp-input-bg: #202c33;
  --whatsapp-online: #00a884;
}

.chat-layout {
  display: grid;
  grid-template-columns: 360px 1fr;
  height: calc(100vh - 80px);
  min-height: 500px;
  background: var(--whatsapp-bg);
}

@media(max-width: 820px) {
  .chat-layout {
    grid-template-columns: 1fr;
    height: 100vh;
  }
  .chat-sidebar {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 100%;
    z-index: 10;
    border-radius: 0;
    border-right: none;
  }
  .chat-main {
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    border-radius: 0;
  }
  .chat-main.hidden-mobile {
    display: none !important;
  }
}

.chat-sidebar {
  background: var(--whatsapp-panel-bg);
  border-right: 1px solid var(--whatsapp-border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--whatsapp-panel-bg);
  border-bottom: 1px solid var(--whatsapp-border);
}

.chat-header-title {
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: 20px;
  color: var(--whatsapp-text);
}

.chat-header-actions {
  display: flex;
  gap: 8px;
}

.chat-header-btn {
  background: none;
  border: none;
  color: var(--whatsapp-text);
  font-size: 22px;
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
  transition: background 0.2s;
}

.chat-header-btn:hover {
  background: var(--whatsapp-border);
}

.chat-search-container {
  padding: 8px 12px;
  background: var(--whatsapp-panel-bg);
  border-bottom: 1px solid var(--whatsapp-border);
}

.chat-search-input {
  width: 100%;
  background: var(--whatsapp-input-bg);
  border: none;
  border-radius: 20px;
  padding: 10px 16px;
  font-size: 14px;
  color: var(--whatsapp-text);
  font-family: 'Inter', sans-serif;
  outline: none;
}

.chat-search-input::placeholder {
  color: var(--whatsapp-text-secondary);
}

.chat-tabs {
  display: flex;
  background: var(--whatsapp-panel-bg);
  border-bottom: 1px solid var(--whatsapp-border);
}

.chat-tab {
  flex: 1;
  background: none;
  border: none;
  color: var(--whatsapp-text-secondary);
  padding: 14px 8px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  position: relative;
  transition: color 0.2s;
}

.chat-tab.active {
  color: var(--whatsapp-green-light);
}

.chat-tab.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 20%;
  right: 20%;
  height: 2px;
  background: var(--whatsapp-green-light);
  border-radius: 1px;
}

.chat-panel {
  flex: 1;
  overflow-y: auto;
  background: var(--whatsapp-chat-bg);
}

.chat-conv-list {
  padding: 0;
}

.chat-conv-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  cursor: pointer;
  transition: background 0.15s;
  border-bottom: 1px solid var(--whatsapp-border);
}

.chat-conv-item:hover {
  background: var(--whatsapp-panel-bg);
}

.chat-conv-item.active {
  background: var(--whatsapp-panel-bg);
}

.chat-conv-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--whatsapp-green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: white;
  font-size: 18px;
  flex-shrink: 0;
  overflow: hidden;
}

.chat-conv-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.chat-conv-info {
  flex: 1;
  overflow: hidden;
  min-width: 0;
}

.chat-conv-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}

.chat-conv-name {
  font-size: 15px;
  color: var(--whatsapp-text);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chat-conv-time {
  font-size: 12px;
  color: var(--whatsapp-text-secondary);
  white-space: nowrap;
  margin-left: 8px;
}

.chat-conv-preview {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.chat-conv-lastmsg {
  font-size: 13px;
  color: var(--whatsapp-text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
}

.chat-conv-unread {
  background: var(--whatsapp-green-light);
  color: white;
  border-radius: 50%;
  min-width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 600;
  flex-shrink: 0;
}

.chat-empty-state {
  padding: 40px 20px;
  text-align: center;
  color: var(--whatsapp-text-secondary);
}

.chat-empty-icon {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: 0.5;
}

.chat-empty-text {
  font-size: 14px;
  line-height: 1.5;
}

.chat-main {
  background: var(--whatsapp-chat-bg);
  display: flex;
  flex-direction: column;
  position: relative;
  background-image: url("data:image/svg+xml,%3Csvg width='42' height='42' viewBox='0 0 42 42' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%230c181e' fill-opacity='0.05'%3E%3Cpath d='M0 0h42v42H0z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.chat-main-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--whatsapp-panel-bg);
  border-bottom: 1px solid var(--whatsapp-border);
  flex-shrink: 0;
}

.chat-main-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--whatsapp-green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: white;
  font-size: 16px;
  overflow: hidden;
  flex-shrink: 0;
}

.chat-main-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.chat-main-info {
  flex: 1;
  min-width: 0;
}

.chat-main-name {
  font-size: 16px;
  font-weight: 500;
  color: var(--whatsapp-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chat-main-status {
  font-size: 12px;
  color: var(--whatsapp-online);
}

.chat-main-actions {
  display: flex;
  gap: 16px;
}

.chat-main-action-btn {
  background: none;
  border: none;
  color: var(--whatsapp-text);
  font-size: 20px;
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
  transition: background 0.2s;
}

.chat-main-action-btn:hover {
  background: var(--whatsapp-border);
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.chat-message {
  max-width: 70%;
  padding: 8px 12px;
  border-radius: 7.5px;
  position: relative;
  animation: messageIn 0.2s ease-out;
}

@keyframes messageIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.chat-message.sent {
  align-self: flex-end;
  background: var(--whatsapp-bubble-sent);
  border-bottom-right-radius: 2px;
}

.chat-message.received {
  align-self: flex-start;
  background: var(--whatsapp-bubble-received);
  border-bottom-left-radius: 2px;
}

.chat-message-content {
  font-size: 14.5px;
  line-height: 1.4;
  color: var(--whatsapp-text);
  word-wrap: break-word;
}

.chat-message-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  margin-top: 4px;
}

.chat-message-time {
  font-size: 11px;
  color: rgba(255,255,255,0.7);
}

.chat-message.received .chat-message-time {
  color: var(--whatsapp-text-secondary);
}

.chat-message-status {
  font-size: 14px;
  color: rgba(255,255,255,0.7);
}

.chat-message.received .chat-message-status {
  color: var(--whatsapp-text-secondary);
}

.chat-message-status.read {
  color: #53bdeb;
}

.chat-date-divider {
  text-align: center;
  padding: 12px 0;
  position: relative;
}

.chat-date-divider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--whatsapp-border);
  z-index: 0;
}

.chat-date-divider span {
  background: var(--whatsapp-chat-bg);
  padding: 0 16px;
  font-size: 12px;
  color: var(--whatsapp-text-secondary);
  position: relative;
  z-index: 1;
}

.chat-input-container {
  padding: 8px 12px;
  background: var(--whatsapp-panel-bg);
  border-top: 1px solid var(--whatsapp-border);
  flex-shrink: 0;
}

.chat-input-wrapper {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  background: var(--whatsapp-input-bg);
  border-radius: 24px;
  padding: 6px 12px 6px 16px;
}

.chat-input {
  flex: 1;
  background: none;
  border: none;
  color: var(--whatsapp-text);
  font-size: 15px;
  font-family: 'Inter', sans-serif;
  outline: none;
  min-height: 24px;
  max-height: 120px;
  resize: none;
  line-height: 1.4;
  padding: 4px 0;
}

.chat-input::placeholder {
  color: var(--whatsapp-text-secondary);
}

.chat-input-btn {
  background: none;
  border: none;
  color: var(--whatsapp-text-secondary);
  font-size: 22px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 50%;
  transition: color 0.2s, background 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.chat-input-btn:hover {
  color: var(--whatsapp-green-light);
  background: var(--whatsapp-border);
}

.chat-input-btn.send {
  color: var(--whatsapp-green-light);
}

.chat-input-btn.send:hover {
  background: rgba(7, 94, 84, 0.15);
}

.chat-mobile-back {
  display: none;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--whatsapp-panel-bg);
  border-bottom: 1px solid var(--whatsapp-border);
}

.chat-mobile-back-btn {
  background: none;
  border: none;
  color: var(--whatsapp-text);
  font-size: 22px;
  cursor: pointer;
  padding: 8px;
}

@media(max-width: 820px) {
  .chat-mobile-back {
    display: flex;
  }
  .chat-main-header {
    position: sticky;
    top: 0;
    z-index: 5;
  }
}

.chat-group-members {
  max-height: 220px;
  overflow-y: auto;
}

.chat-group-member {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  cursor: pointer;
  border-bottom: 1px solid var(--whatsapp-border);
}

.chat-group-member:hover {
  background: var(--whatsapp-panel-bg);
}

.chat-group-member input {
  width: 22px;
  height: 22px;
  accent-color: var(--whatsapp-green-light);
}

.chat-group-label {
  display: block;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  color: var(--whatsapp-text-secondary);
  margin: 16px 16px 8px;
  text-transform: uppercase;
}

/* ---- Modal "Hazte Pro" y perfil: botones al estilo de la landing ---- */
.pf-card{display:flex;align-items:center;gap:14px;margin-bottom:6px;}
.pf-avatar{
  width:52px;height:52px;border-radius:50%;flex:none;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brass) 0%,var(--brass-dim) 100%);
  color:var(--bg);font-family:'Fraunces',serif;font-weight:600;font-size:20px;
}
.pf-head h2{font-family:'Fraunces',serif;font-weight:600;font-size:20px;margin:0 0 2px;}

.tm-badge{
  display:inline-flex;align-items:center;gap:8px;margin-top:10px;padding:8px 16px;
  background:rgba(147,163,96,0.12);border:1px solid rgba(147,163,96,0.3);
  border-radius:var(--radius-pill);color:var(--olive);
  font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:0.04em;
}

.pm-btn,.pm-stripe-btn{
  background:linear-gradient(135deg,var(--brass) 0%,var(--brass-dim) 100%);
  color:var(--bg);border:none;
  font-family:'Fraunces',serif;font-weight:600;font-size:15px;letter-spacing:.02em;
  padding:14px 28px;border-radius:var(--radius-pill);cursor:pointer;width:100%;
  box-shadow:0 8px 24px rgba(201,162,39,0.25), inset 0 1px 0 rgba(255,255,255,0.15);
  transition:var(--transition);margin-top:10px;
}
.pm-btn{margin-top:16px;width:auto;padding:14px 30px;}
.pm-stripe-btn:hover,.pm-btn:hover{transform:translateY(-1px);box-shadow:0 12px 32px rgba(201,162,39,0.35), inset 0 1px 0 rgba(255,255,255,0.2);}
.pm-stripe-btn:active,.pm-btn:active{transform:translateY(0) scale(0.99);}
.pm-stripe-btn:focus-visible,.pm-btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(201,162,39,0.5);}
.pm-stripe-btn:disabled{opacity:0.6;cursor:default;transform:none;}

.pm-head{display:flex;flex-direction:column;gap:10px;margin-bottom:4px;padding-top:8px;}
.pm-back{
  align-self:flex-start;background:none;border:1px solid var(--border-strong);color:var(--text-muted);
  font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:0.04em;text-transform:uppercase;
  padding:8px 14px;border-radius:var(--radius-pill);cursor:pointer;transition:var(--transition);
}
.pm-back:hover{color:var(--brass);border-color:var(--brass);}
.pm-head h2{font-family:'Fraunces',serif;font-weight:600;font-size:22px;margin:0;}
.pm-caption{color:var(--text-muted);font-size:14px;line-height:1.6;margin:0 0 16px;}

.pm-benefits{list-style:none;margin:0 0 20px;padding:0;display:flex;flex-direction:column;gap:10px;}
.pm-benefits li{
  font-size:13.5px;line-height:1.55;color:var(--text);
  background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:10px 14px;
}

.pm-price{
  font-family:'Fraunces',serif;font-weight:600;font-size:28px;color:var(--brass);
  margin:4px 0 4px;
}
.pm-price span{font-family:'Inter',system-ui,sans-serif;font-weight:500;font-size:13px;color:var(--text-muted);margin-left:6px;}
.pm-stripe-note{min-height:18px;font-size:12.5px;color:var(--clay);margin:8px 0 0;}

.pm-alt{margin-top:20px;border-top:1px solid var(--border);padding-top:16px;}
.pm-alt summary{
  cursor:pointer;color:var(--text-muted);font-size:13px;list-style:none;
  display:flex;align-items:center;gap:8px;
}
.pm-alt summary::-webkit-details-marker{display:none;}
.pm-alt summary::before{content:'+';color:var(--brass);font-family:'IBM Plex Mono',monospace;font-weight:600;}
.pm-alt[open] summary::before{content:'−';}
.pm-alt summary:hover{color:var(--brass);}
.pm-alt[open] summary{margin-bottom:14px;}


/* ---- Chat: sala general, adjuntos, ayuda y borrar ---- */
.chat-msg-autor{display:block;font-size:12px;font-weight:600;color:var(--brass);margin-bottom:2px}
.chat-attach-img{display:block;max-width:100%;max-height:260px;border-radius:10px;margin-top:6px;object-fit:cover}
.chat-attach-doc{display:inline-block;margin-top:6px;color:inherit;text-decoration:underline;word-break:break-all}
.chat-msg-del{background:none;border:0;padding:0 4px;font-size:12px;cursor:pointer;opacity:.45}
.chat-msg-del:hover,.chat-msg-del:focus-visible{opacity:1}
#chatHelpBtn{opacity:.55}
#chatHelpBtn.active{opacity:1;background:rgba(193,99,60,.25);border-radius:50%}

/* ---- Chat: llamadas WebRTC ---- */
.chat-call-modal{position:fixed;inset:0;z-index:10050;display:none;align-items:center;justify-content:center;padding:20px;background:rgba(0,0,0,.72);backdrop-filter:blur(5px)}
.chat-call-modal.open{display:flex}
.chat-call-card{width:min(460px,94vw);max-height:90vh;overflow:auto;background:var(--surface,#171717);color:var(--text,#f5f2ec);border:1px solid var(--border-strong,#3a3a3a);border-radius:20px;padding:22px;box-shadow:0 24px 70px rgba(0,0,0,.45)}
.chat-call-top{display:flex;align-items:center;gap:14px;margin-bottom:16px}
.chat-call-avatar{width:54px;height:54px;border-radius:50%;display:grid;place-items:center;background:var(--surface-2,#242424);color:var(--brass,#c89b5b);font-size:23px;font-weight:700}
.chat-call-title{font-size:18px;font-weight:700}
.chat-call-status{font-size:13px;color:var(--text-muted,#aaa);margin-top:4px}
.chat-remote-video{display:none;width:100%;aspect-ratio:16/10;object-fit:cover;background:#000;border-radius:14px;margin:8px 0 16px}
.chat-call-actions{display:flex;gap:10px;justify-content:center;margin-top:14px}
.chat-call-btn{border:0;border-radius:999px;padding:11px 18px;font:inherit;cursor:pointer}
.chat-call-btn.accept{background:#2e8b57;color:#fff}.chat-call-btn.decline,.chat-call-btn.hangup{background:#a43b3b;color:#fff}.chat-call-btn.mute{background:var(--surface-2,#282828);color:inherit}