
        /* ==================== VARIABLES APPLE STYLE ==================== */
        :root {
            --primary-color: #1074ae;       /* Tu azul corporativo */
            --accent-color: #007aff;        /* Azul iOS */
            --bg-color: #f5f5f7;            /* Fondo gris claro Apple */
            --card-bg: rgba(255, 255, 255, 0.85); /* Efecto vidrio */
            --text-main: #1d1d1f;           /* Negro suave */
            --text-secondary: #86868b;      /* Gris texto */
            --input-bg: #ffffff;
            --input-border: #d2d2d7;
            --shadow-soft: 0 10px 40px rgba(0, 0, 0, 0.08);
            --radius-xl: 24px;
            --radius-m: 12px;
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
        }

        /* ==================== RESET & BASE ==================== */
        * { box-sizing: border-box; outline: none; }

        body {
            font-family: var(--font-stack);
            margin: 0;
            padding: 0;
            background-color: var(--bg-color);
            background-image: radial-gradient(circle at 10% 20%, rgb(242, 246, 252) 0%, rgb(228, 233, 242) 90%);
            color: var(--text-main);
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
        }

        /* ==================== MAIN CARD ==================== */
        .login-wrapper {
            width: 100%;
            max-width: 440px;
            padding: 20px;
        }

        .login-card {
            background: var(--card-bg);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-soft);
            padding: 40px;
            text-align: center;
            border: 1px solid rgba(255, 255, 255, 0.6);
            transition: transform 0.3s ease;
        }

        .login-card:hover { transform: translateY(-5px); }

        /* ==================== LOGO & HEADER ==================== */
        .logo-area { margin-bottom: 25px; }
        .logo-area img {
            max-width: 150px; /* Ajustado para que se vea bien */
            height: auto;
            filter: drop-shadow(0 4px 6px rgba(0,0,0,0.05));
        }

        .header-text h3 {
            font-size: 24px;
            font-weight: 700;
            margin: 0 0 8px 0;
            letter-spacing: -0.5px;
        }

        .header-text p {
            font-size: 15px;
            color: var(--text-secondary);
            margin: 0 0 30px 0;
            line-height: 1.4;
        }

        /* ==================== FORM ==================== */
        .form-group { margin-bottom: 20px; text-align: left; }

        .form-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
            margin-bottom: 8px;
            display: block;
            margin-left: 4px;
        }

        .input-field {
            width: 100%;
            padding: 14px 16px;
            font-size: 16px;
            border: 1px solid var(--input-border);
            border-radius: var(--radius-m);
            background: var(--input-bg);
            transition: all 0.2s ease;
            color: var(--text-main);
        }

        .input-field:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 4px rgba(16, 116, 174, 0.15);
        }

        /* ==================== CHECKBOX ==================== */
        .remember-box {
            display: flex;
            align-items: center;
            margin-bottom: 25px;
            font-size: 14px;
            color: var(--text-secondary);
            cursor: pointer;
        }

        .remember-box input {
            margin-right: 10px;
            width: 16px;
            height: 16px;
            accent-color: var(--primary-color);
        }

        /* ==================== BUTTON ==================== */
        .btn-login {
            width: 100%;
            padding: 14px;
            font-size: 16px;
            font-weight: 600;
            color: white;
            background: linear-gradient(135deg, var(--primary-color), #0d5c8a);
            border: none;
            border-radius: var(--radius-m);
            cursor: pointer;
            transition: all 0.2s;
            box-shadow: 0 4px 12px rgba(16, 116, 174, 0.3);
        }

        .btn-login:hover {
            transform: scale(1.02);
            box-shadow: 0 6px 15px rgba(16, 116, 174, 0.4);
        }

        .btn-login:active { transform: scale(0.98); }

        /* ==================== ALERTS ==================== */
        .alert-error {
            background-color: #fff2f2;
            color: #d32f2f;
            border: 1px solid #ffcdd2;
            padding: 12px;
            border-radius: var(--radius-m);
            font-size: 14px;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
            text-align: left;
        }

        /* ==================== SOCIAL & FOOTER ==================== */
        .social-divider {
            margin: 30px 0 20px;
            border-top: 1px solid #e5e5e5;
            position: relative;
        }

        .social-divider span {
            position: absolute;
            top: -10px;
            left: 50%;
            transform: translateX(-50%);
            background: #fbfbfd; 
            padding: 0 10px;
            color: var(--text-secondary);
            font-size: 12px;
        }

        .social-icons {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-bottom: 20px;
        }

        .social-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: #f5f5f7;
            display: flex;
            justify-content: center;
            align-items: center;
            color: var(--text-main);
            text-decoration: none;
            transition: all 0.3s;
            font-size: 18px;
        }

        .social-btn:hover { color: white; transform: translateY(-3px); }
        .social-btn.facebook:hover  { background-color: #1877F2; }
        .social-btn.instagram:hover { background-color: #E4405F; }
        .social-btn.twitter:hover   { background-color: #000000; }
        .social-btn.linkedin:hover  { background-color: #0A66C2; }

        .footer-copy {
            margin-top: 30px;
            font-size: 12px;
            color: #999;
        }

        /* ==================== ESTILOS DEL ENLACE CANSECO Y BADGE ==================== */
        .canseco-link {
            color: inherit; 
            text-decoration: none;
            font-weight: 600;
            transition: opacity 0.3s ease;
        }
        .canseco-link:hover {
            opacity: 0.7; 
        }
        .badge-verificado {
            color: #1d9bf0; 
            margin-left: 3px;
            font-size: 1.1em;
            vertical-align: middle;
        }

        /* ==================== CAPTCHA ==================== */
        #captchaSection {
            background: #f9f9fb;
            padding: 15px;
            border-radius: var(--radius-m);
            margin-bottom: 20px;
            border: 1px dashed #ccc;
        }
        #captchaQuestion { font-weight: bold; color: var(--primary-color); margin-bottom: 5px; }

        /* Responsive adjustments */
        @media (max-width: 480px) {
            .login-card { padding: 30px 20px; }
        }

        /* ==================== logo redondo ==================== */        
        .logo-area {
            display: flex;
            justify-content: center;
            align-items: center;
            margin-bottom: 25px; 
        }

        .logo-frame {
            width: 130px;
            height: 130px;
            border-radius: 50%;
            background-color: #ffffff;
            border: 4px solid #ffffff;
            box-shadow: 0 8px 25px rgba(0,0,0,0.12);
            overflow: hidden; 
            transition: transform 0.3s ease;
            -webkit-backface-visibility: hidden;
            -moz-backface-visibility: hidden;
            -webkit-transform: translate3d(0, 0, 0);
            -moz-transform: translate3d(0, 0, 0);
        }

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

        .logo-frame:hover {
            transform: scale(1.05);
        }