body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 20px;
}

.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 40px);
}

.signin {
    width: 100%;
    max-width: 420px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    overflow: hidden;
}

.content {
    padding: 40px 30px;
}

.logo-section {
    text-align: center;
    margin-bottom: 30px;
}

.logo-section h1 {
    margin: 0 0 10px 0;
    font-size: 2.5em;
    font-weight: bold;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 2px;
}

.subtitle {
    margin: 0;
    color: #666;
    font-size: 14px;
    font-weight: 300;
}

.inputBox {
    position: relative;
    margin-bottom: 25px;
}

.input {
    width: 100%;
    padding: 15px 50px 15px 20px;
    border: 2px solid #e1e5e9;
    border-radius: 12px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: #fff;
    box-sizing: border-box;
}

.input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.input-icon {
    position: absolute;
    right: 18px;
    top: 50%;
    transform: translateY(-50%);
    color: #999;
    font-size: 18px;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.links {
    text-align: center;
    margin: 20px 0;
}

.forgot-password {
    color: #667eea;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.forgot-password:hover {
    color: #764ba2;
    text-decoration: none;
}

.forgot-password i {
    margin-right: 5px;
}

.boton {
    width: 100%;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border: none;
    border-radius: 12px;
    padding: 15px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin: 10px 0 20px 0;
}

.boton:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

.boton:active {
    transform: translateY(0);
}

.boton i {
    margin-right: 8px;
}

.professional-message {
    text-align: center;
    margin-top: 25px;
    padding: 20px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    border-radius: 15px;
    border: 1px solid rgba(102, 126, 234, 0.2);
}

.professional-message i {
    color: #667eea;
    font-size: 18px;
    margin-bottom: 8px;
    display: block;
}

.professional-message p {
    margin: 0;
    font-size: 13px;
    color: #555;
    line-height: 1.6;
}

.contact-info {
    display: block;
    margin-top: 8px;
    font-size: 12px;
}

.professional-message a {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.professional-message a:hover {
    color: #764ba2;
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
    .signin {
        max-width: 90%;
        margin: 20px auto;
    }
    
    .content {
        padding: 30px 20px;
    }
    
    .logo-section h1 {
        font-size: 2em;
    }
}

@media (max-width: 480px) {
    body {
        padding: 10px;
    }
    
    .signin {
        max-width: 100%;
    }
    
    .content {
        padding: 25px 15px;
    }
    
    .logo-section h1 {
        font-size: 1.8em;
    }
}