:root{
      --inst-blue: #006FAD;
      --inst-blue-2:#0A5F92;
      --inst-yellow:#FFD24A;
      --bg: #F4F7FB;
      --card: rgba(255,255,255,.92);
      --text:#0f172a;
      --muted: rgba(15,23,42,.62);
      --line: rgba(15,23,42,.10);
      --shadow: 0 18px 55px rgba(15,23,42,.14);
      --radius: 22px;
    }

    *{ box-sizing:border-box; }
    body{
      margin:0;
      font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
      color:var(--text);
      background:
        radial-gradient(1200px 600px at 10% -10%, rgba(0,111,173,.18), transparent 60%),
        radial-gradient(900px 500px at 110% 20%, rgba(255,210,74,.20), transparent 55%),
        var(--bg);
      min-height:100vh;
      display:flex;
      align-items:center;
      justify-content:center;
      padding: 22px;
    }

    .wrap{
      width:min(1040px, 100%);
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 18px;
      align-items:stretch;
    }

    .panel{
      border:1px solid var(--line);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      overflow:hidden;
      background: var(--card);
      backdrop-filter: blur(8px);
    }

    /* Panel izquierdo: formulario */
    .form-panel{
      padding: 28px;
      position:relative;
    }

    .brand{
      display:flex;
      align-items:center;
      gap: 12px;
      margin-bottom: 18px;
    }

    .logo{
      width: 44px;
      height: 44px;
      border-radius: 14px;
      background: linear-gradient(135deg, var(--inst-blue), var(--inst-blue-2));
      box-shadow: 0 10px 22px rgba(0,111,173,.25);
      display:flex;
      align-items:center;
      justify-content:center;
      color:white;
      font-weight:900;
      letter-spacing:.5px;
      overflow: hidden;
      flex-shrink: 0;
    }

    .logo img{
      width: 100%;
      height: 100%;
      object-fit: contain;
      display: block;
    }

    .brand h1{
      font-size: 18px;
      margin:0;
      line-height:1.1;
    }
    .brand p{
      margin:2px 0 0 0;
      color:var(--muted);
      font-size: 12.5px;
    }

    .title{
      margin: 12px 0 6px 0;
      font-size: 24px;
      letter-spacing: .2px;
    }
    .subtitle{
      margin:0 0 18px 0;
      color:var(--muted);
      font-size: 13.5px;
    }

    .field{
      margin: 12px 0;
    }
    .label{
      display:flex;
      align-items:center;
      justify-content:space-between;
      font-size: 12.5px;
      color: rgba(15,23,42,.75);
      margin-bottom: 8px;
      font-weight: 700;
    }

    .input{
      width:100%;
      padding: 12px 14px;
      border-radius: 14px;
      border: 1px solid rgba(15,23,42,.14);
      background: rgba(255,255,255,.9);
      outline:none;
      font-size: 14px;
      transition: box-shadow .15s ease, border-color .15s ease, transform .05s ease;
    }
    .input:focus{
      border-color: rgba(0,111,173,.65);
      box-shadow: 0 0 0 5px rgba(0,111,173,.16);
    }

    .pw-wrap{
      position:relative;
    }
    .pw-btn{
      position:absolute;
      right: 10px;
      top: 50%;
      transform: translateY(-50%);
      border:0;
      background: transparent;
      color: rgba(15,23,42,.55);
      cursor:pointer;
      padding: 6px 8px;
      border-radius: 10px;
      transition: background .15s ease, color .15s ease;
    }
    .pw-btn:hover{
      background: rgba(0,111,173,.08);
      color: rgba(0,111,173,.95);
    }

    .row{
      display:flex;
      align-items:center;
      justify-content:space-between;
      margin: 14px 0 0 0;
      gap: 12px;
      flex-wrap: wrap;
    }

    .check{
      display:flex;
      align-items:center;
      gap: 8px;
      color: var(--muted);
      font-size: 12.5px;
      user-select:none;
    }
    .check input{
      width: 16px;
      height: 16px;
      accent-color: var(--inst-blue);
    }

    .link{
      color: var(--inst-blue);
      text-decoration:none;
      font-weight: 800;
      font-size: 12.5px;
    }
    .link:hover{ text-decoration:underline; }

    .btn{
      width:100%;
      margin-top: 16px;
      padding: 12px 14px;
      border-radius: 14px;
      border: 0;
      cursor:pointer;
      font-weight: 900;
      letter-spacing:.3px;
      color: #0b1220;
      background: linear-gradient(135deg, var(--inst-yellow), #FFE089);
      box-shadow: 0 14px 30px rgba(255,210,74,.30);
      transition: transform .05s ease, filter .15s ease;
    }
    .btn:hover{ filter: brightness(1.03); }
    .btn:active{ transform: translateY(1px); }

    .foot{
      margin-top: 14px;
      color: rgba(15,23,42,.55);
      font-size: 12px;
      text-align:center;
    }

    .alerta-intento{
      border: 1px solid rgba(172, 28, 44, .45) !important;
      background: linear-gradient(90deg, rgba(172, 28, 44, .08), rgba(172, 28, 44, .03)) !important;
      color: #8b1f2a !important;
      font-weight: 700;
      box-shadow: 0 4px 12px rgba(172, 28, 44, .10);
    }

    /* Panel derecho: branding / info */
    .info-panel{
      padding: 0;
      position:relative;
      background:
        linear-gradient(135deg, rgba(0,111,173,.90), rgba(10,95,146,.92)),
        radial-gradient(900px 500px at 30% 10%, rgba(255,210,74,.22), transparent 55%);
      color: white;
    }
    .info-inner{
      padding: 28px;
      height: 100%;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      gap: 18px;
    }

    .badge{
      display:inline-flex;
      align-items:center;
      gap: 8px;
      padding: 8px 12px;
      border-radius: 999px;
      background: rgba(255,255,255,.14);
      border: 1px solid rgba(255,255,255,.18);
      width: fit-content;
      font-weight: 800;
      font-size: 12.5px;
    }

    .info-title{
      font-size: 22px;
      margin: 14px 0 8px 0;
      line-height:1.2;
    }
    .info-text{
      margin:0;
      color: rgba(255,255,255,.85);
      font-size: 13.5px;
      line-height: 1.5;
      max-width: 42ch;
    }

    .cards{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-top: 14px;
    }
    .mini{
      border-radius: 18px;
      padding: 14px;
      background: rgba(255,255,255,.12);
      border: 1px solid rgba(255,255,255,.16);
    }
    .mini .k{
      font-weight: 900;
      font-size: 13px;
      display:flex;
      gap: 8px;
      align-items:center;
    }
    .mini .v{
      margin-top: 6px;
      color: rgba(255,255,255,.85);
      font-size: 12.5px;
      line-height: 1.35;
    }

    .info-footer{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap: 12px;
      flex-wrap: wrap;
      color: rgba(255,255,255,.78);
      font-size: 12px;
      border-top: 1px solid rgba(255,255,255,.16);
      padding-top: 14px;
    }

    /* Responsive */
    @media (max-width: 920px){
      .wrap{ grid-template-columns: 1fr; }
      .info-panel{ order:-1; }
    }